Martin Audio MLA Compact User Guides

User Guide

v2.0

MLA System

A Guide to MLA Systems

incorporating Display 2 and Vu-Net

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MLASystem USERGUIDE

MLASystemUserGuideV2.0 2

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Contents

VersionHistory.....................................................................................................................................................................14

Introduction..........................................................................................................................................................................15

AboutThisManual...............................................................................................................................................................15

ImportantSafetyInstructions...............................................................................................................................................16

MLA/MLDMLACompact..................................................................................................................................................16

Merlin...............................................................................................................................................................................16

ElectricalCompliance............................................................................................................................................................17

UnpackingtheUnits.............................................................................................................................................................17

MLA......................................................................................................................................................................................18

MechanicalDesign............................................................................................................................................................19

Rigging..............................................................................................................................................................................19

AcousticDesign.................................................................................................................................................................22

LowFrequency..............................................................................................................................................................22

Mid‐Range....................................................................................................................................................................23

HighFrequency.............................................................................................................................................................25

FIRCrossovers...............................................................................................................................................................27

AmplifierModule..........................................................................................................................................................28

Connections..................................................................................................................................................................29

Mains............................................................................................................................................................................30

Audio&network...........................................................................................................................................................31

BlockDiagram.............................................................................................................................................................. 32

EssentialMaintenance......................................................................................................................................................33

ToolsRequired..............................................................................................................................................................33

Replacingtheamplifiermodule....................................................................................................................................33

Replacingalowfrequencydriver..................................................................................................................................33

Replacingamiddriver..................................................................................................................................................33

ReplacingacompressionDriver....................................................................................................................................34

ReplacingaDiaphragm................................................................................................................................................34

Specifications....................................................................................................................................................................34

Acoustical.....................................................................................................................................................................34

Drivers...........................................................................................................................................................................34

RatedPower(2)............................................................................................................................................................34

Dispersion.....................................................................................................................................................................34

CrossoverFrequencies..................................................................................................................................................34

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MLASystem USERGUIDE

MLASystemUserGuideV2.0 3

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Audioinput...................................................................................................................................................................34

Network........................................................................................................................................................................34

AmplifierModule..........................................................................................................................................................34

PowerSupply................................................................................................................................................................35

General.........................................................................................................................................................................35

Accessories....................................................................................................................................................................35

Notes.............................................................................................................................................................................35

MLD......................................................................................................................................................................................36

MechanicalDesign........................................................................................................................................................36

Rigging..........................................................................................................................................................................36

AcousticDesign.................................................................................................................................................................37

LowFrequency..............................................................................................................................................................37

Mid‐Range....................................................................................................................................................................37

HighFrequency.............................................................................................................................................................37

Connections......................................................................................................................................................................38

Mains............................................................................................................................................................................38

Audio&network...........................................................................................................................................................39

EssentialMaintenance......................................................................................................................................................40

ToolsRequired..............................................................................................................................................................40

Replacingtheamplifiermodule....................................................................................................................................40

Replacingamiddriver..................................................................................................................................................40

ReplacingacompressionDriver....................................................................................................................................40

ReplacingaDiaphragm................................................................................................................................................40

Specifications....................................................................................................................................................................41

Acoustical.....................................................................................................................................................................41

Drivers...........................................................................................................................................................................41

RatedPower(2)............................................................................................................................................................41

Dispersion.....................................................................................................................................................................41

CrossoverFrequencies..................................................................................................................................................41

Audioinput...................................................................................................................................................................41

Network........................................................................................................................................................................41

AmplifierModule..........................................................................................................................................................41

PowerSupply................................................................................................................................................................41

General.........................................................................................................................................................................42

Accessories....................................................................................................................................................................42

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MLASystem USERGUIDE

MLASystemUserGuideV2.0 4

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Notes.............................................................................................................................................................................42

MLX.......................................................................................................................................................................................43

MechanicalDesign............................................................................................................................................................43

Rigging..............................................................................................................................................................................44

AmplifierModule..............................................................................................................................................................47

Connections......................................................................................................................................................................48

Mains............................................................................................................................................................................48

Audio&network...........................................................................................................................................................49

iPalFirmwareupgrade.....................................................................................................................................................51

IPALvsMLXfirmware...................................................................................................................................................51

PartsRequired..............................................................................................................................................................51

EssentialMaintenance......................................................................................................................................................58

ToolsRequired..............................................................................................................................................................58

Replacingtheamplifiermodule....................................................................................................................................58

Replacingadriver.........................................................................................................................................................58

Specification.....................................................................................................................................................................59

Acoustical.....................................................................................................................................................................59

Drivers...........................................................................................................................................................................59

RatedPower(2)............................................................................................................................................................59

Dispersion.....................................................................................................................................................................59

Audioinput...................................................................................................................................................................59

Network........................................................................................................................................................................59

AmplifierModule..........................................................................................................................................................59

PowerSupply................................................................................................................................................................59

General.........................................................................................................................................................................59

Accessories....................................................................................................................................................................60

Notes.............................................................................................................................................................................60

MLACompact.......................................................................................................................................................................61

MechanicalDesign............................................................................................................................................................62

Rigging..............................................................................................................................................................................62

AcousticDesign.................................................................................................................................................................64

LowFrequency..............................................................................................................................................................64

Mid‐Range....................................................................................................................................................................66

HighFrequency.............................................................................................................................................................67

FIRCrossovers...............................................................................................................................................................68

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Amplifiermodule..............................................................................................................................................................69

Connections......................................................................................................................................................................70

Mains............................................................................................................................................................................71

Audio&network...........................................................................................................................................................71

BlockDiagram..................................................................................................................................................................72

EssentialMaintenance......................................................................................................................................................73

Replacingtheamplifiermodule....................................................................................................................................73

ToolsRequired..............................................................................................................................................................74

Replacingalowfrequencydriver..................................................................................................................................74

Replacingamiddriver..................................................................................................................................................74

ReplacingacompressionDriver....................................................................................................................................74

ReplacingaDiaphragm................................................................................................................................................74

Specifications....................................................................................................................................................................75

Acoustical.....................................................................................................................................................................75

Drivers...........................................................................................................................................................................75

RatedPower(2)............................................................................................................................................................75

Dispersion.....................................................................................................................................................................75

CrossoverFrequencies..................................................................................................................................................75

Audioinput...................................................................................................................................................................75

Network........................................................................................................................................................................75

AmplifierModule..........................................................................................................................................................75

PowerSupply................................................................................................................................................................75

General.........................................................................................................................................................................76

Accessories....................................................................................................................................................................76

Notes.............................................................................................................................................................................76

DSX/DSX‐F...........................................................................................................................................................................77

MechanicalDesign............................................................................................................................................................77

FlyingUpgrade.................................................................................................................................................................78

Rigging..............................................................................................................................................................................78

AcousticDesign.................................................................................................................................................................80

Amplifiermodule..............................................................................................................................................................80

Connections......................................................................................................................................................................80

Mains............................................................................................................................................................................81

Audio&network...........................................................................................................................................................82

EssentialMaintenance......................................................................................................................................................83

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MLASystem USERGUIDE

MLASystemUserGuideV2.0 6

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ToolsRequired..............................................................................................................................................................83

Replacingtheamplifiermodule....................................................................................................................................83

Replacingadriver.........................................................................................................................................................83

Specifications....................................................................................................................................................................84

Acoustical.....................................................................................................................................................................84

Drivers...........................................................................................................................................................................84

RatedPower(2)............................................................................................................................................................84

Dispersion.....................................................................................................................................................................84

Audioinput...................................................................................................................................................................84

InternalProcessing.......................................................................................................................................................84

Network........................................................................................................................................................................84

AmplifierModule..........................................................................................................................................................84

PowerSupply................................................................................................................................................................84

General.........................................................................................................................................................................84

Accessories....................................................................................................................................................................85

Notes.............................................................................................................................................................................85

Merlin...................................................................................................................................................................................86

Introduction......................................................................................................................................................................86

Features............................................................................................................................................................................86

FrontPanelFunctions.......................................................................................................................................................86

RearPanelFunctions........................................................................................................................................................88

Connections......................................................................................................................................................................88

Mains............................................................................................................................................................................88

Ethernet........................................................................................................................................................................88

U‐Net............................................................................................................................................................................88

AudioInputs..................................................................................................................................................................89

AudioOutputs...............................................................................................................................................................89

USB...............................................................................................................................................................................89

ProcessingFunctions........................................................................................................................................................89

MenuTree........................................................................................................................................................................91

Main..............................................................................................................................................................................91

Inputs............................................................................................................................................................................91

Outputs.........................................................................................................................................................................91

SystemSetup....................................................................................................................................................................92

NetworkSettings..........................................................................................................................................................92

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Specifications....................................................................................................................................................................94

TabletPC...............................................................................................................................................................................95

Software...........................................................................................................................................................................95

Display2.1....................................................................................................................................................................95

Vu‐Net...........................................................................................................................................................................95

XirrusWiFiMonitor.......................................................................................................................................................96

Files&Utilities..................................................................................................................................................................96

PowerSettings.batfile.................................................................................................................................................96

MatlabComponents.....................................................................................................................................................96

JavaRuntime................................................................................................................................................................96

MartinAudioSoftwareBackup.....................................................................................................................................96

NetworkInformation....................................................................................................................................................96

PicostationConfiguration.............................................................................................................................................96

StandardConfiguration................................................................................................................................................96

ManuallyConfiguringtheWirelessAccessPoint(WAP)...............................................................................................98

Specification.....................................................................................................................................................................98

Processor......................................................................................................................................................................98

OperatingSystem.........................................................................................................................................................98

HardDrive.....................................................................................................................................................................99

RAM..............................................................................................................................................................................99

Display..........................................................................................................................................................................99

I/O(Input/Output)Ports...............................................................................................................................................99

Wi‐Fi..............................................................................................................................................................................99

Dimensions...................................................................................................................................................................99

MLAMasterRack...............................................................................................................................................................100

Mk1Master....................................................................................................................................................................100

Mk2Master...................................................................................................................................................................101

MLASlaveRack...................................................................................................................................................................104

Mk1SlaveRack...............................................................................................................................................................104

Mk2SlaveRack...............................................................................................................................................................104

MLAFoHRack.....................................................................................................................................................................106

MLAFlyingGrid..................................................................................................................................................................108

Calibration......................................................................................................................................................................108

BatteryReplacement......................................................................................................................................................111

MLACompactFlyingGrid...................................................................................................................................................113

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MLASystem USERGUIDE

MLASystemUserGuideV2.0 8

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Calibration......................................................................................................................................................................113

MLAtoMLACompactTransitionGrid................................................................................................................................114

MainsDistro‐HighVoltage................................................................................................................................................115

DistroMk1......................................................................................................................................................................115

DistroMk2......................................................................................................................................................................115

MainsDistroLowVoltage...................................................................................................................................................116

Flightcases..........................................................................................................................................................................117

Merlin&DistroRack.......................................................................................................................................................117

Mk1HighVoltageRackCase......................................................................................................................................117

Mk2HighVoltageRackCase......................................................................................................................................117

Mk3HighVoltageRackCase......................................................................................................................................117

LowVoltageRackCase...............................................................................................................................................118

CableTrunk.....................................................................................................................................................................119

Mk1CableTrunk.........................................................................................................................................................119

Mk2CableTruck.........................................................................................................................................................120

GridCases.......................................................................................................................................................................121

Mk1MLAGridCase....................................................................................................................................................121

Mk2MLAGridCase....................................................................................................................................................121

Mk3GridCase.............................................................................................................................................................122

Mk1MLACompactFlyingFrameCase.......................................................................................................................123

Mk2MLACompactFlyingFrameCase.......................................................................................................................123

TabletPCCase................................................................................................................................................................124

Mk1TabletPCCase....................................................................................................................................................124

Mk2TabletPCCase....................................................................................................................................................125

MLACompactTwinCase................................................................................................................................................126

FrontofHouseCase........................................................................................................................................................127

Cabling................................................................................................................................................................................128

Mains..............................................................................................................................................................................128

16Aextension.............................................................................................................................................................128

30mTourmatemulticore............................................................................................................................................128

12‐WayBreakoutloom...............................................................................................................................................128

6‐waybreakoutloom..................................................................................................................................................129

Network......................................................................................................................................................................130

Adaptors.....................................................................................................................................................................131

Audio...............................................................................................................................................................................132

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MLASystemUserGuideV2.0 9

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LoomingCables...............................................................................................................................................................132

CabinetLinks...............................................................................................................................................................132

ArrayLooms................................................................................................................................................................133

Displayv2.1........................................................................................................................................................................135

Introduction........................................................................................................................................................................135

NumericalOptimisation..................................................................................................................................................135

IndexPlots......................................................................................................................................................................136

Applicationmenu................................................................................................................................................................147

GettingStarted...............................................................................................................................................................148

AddanArray...................................................................................................................................................................149

SliceTab..............................................................................................................................................................................153

SliceSetup.......................................................................................................................................................................153

DrawaShell....................................................................................................................................................................154

Edittheshell...................................................................................................................................................................155

UsingSurvey...................................................................................................................................................................156

PositiontheArray...........................................................................................................................................................158

AddtheAudienceRegion................................................................................................................................................158

EditingtheAudienceRegion...........................................................................................................................................159

CoverageTab......................................................................................................................................................................160

Definingvenueplanes....................................................................................................................................................160

ChangingPlaneProperties.............................................................................................................................................161

AudienceOffsets.............................................................................................................................................................162

AirAbsorptionCompensation.........................................................................................................................................163

TargetDeltaSelection....................................................................................................................................................164

SplayAngleTab..................................................................................................................................................................167

SplayAngles....................................................................................................................................................................167

CurrentAcousticOutput.................................................................................................................................................167

Coverage/CurrentBestOptimisedOutput....................................................................................................................168

Calculation......................................................................................................................................................................169

ArrayDiagram................................................................................................................................................................170

Optimisation...................................................................................................................................................................170

OptimisationProgress................................................................................................................................................171

Runtheoptimisation..................................................................................................................................................171

RigTab................................................................................................................................................................................174

MLA................................................................................................................................................................................174

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MLASystem USERGUIDE

MLASystemUserGuideV2.0 10

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GroundStacking.........................................................................................................................................................178

MLACompact.................................................................................................................................................................180

MLAMini........................................................................................................................................................................183

Flownsystem..............................................................................................................................................................183

GroundStacking.........................................................................................................................................................186

PoleMount.................................................................................................................................................................188

EQTab............................................................................................................................................................................192

AirAbsorption.............................................................................................................................................................192

Goals...........................................................................................................................................................................192

OptimiseEQ’s..............................................................................................................................................................194

ViewtheSPL...................................................................................................................................................................195

IndividualGraphWindows.............................................................................................................................................197

Addingadditionalarrays................................................................................................................................................201

Deletinganarray........................................................................................................................................................201

ExportingtheOptimisation.................................................................................................................................................202

ExportingD2PFiles.........................................................................................................................................................202

ExportingtoDXF.............................................................................................................................................................203

Vu‐Net.................................................................................................................................................................................206

Introduction....................................................................................................................................................................206

Menus.............................................................................................................................................................................206

Windowcomponents......................................................................................................................................................207

MenuandToolbar......................................................................................................................................................207

File..............................................................................................................................................................................208

Edit..............................................................................................................................................................................208

Preferences.................................................................................................................................................................209

Tools...........................................................................................................................................................................213

Window......................................................................................................................................................................213

Help.............................................................................................................................................................................213

Toolbar.......................................................................................................................................................................215

ProjectWorkspace......................................................................................................................................................217

WorkingOffline..............................................................................................................................................................222

AddingMerlin,MLA,MLDandMLX...........................................................................................................................222

AddingMLACompact&DSX......................................................................................................................................223

AddingMLAMini........................................................................................................................................................224

AddingDD12...............................................................................................................................................................227

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AddingPSX..................................................................................................................................................................227

ArrangingtheArraycomponents...............................................................................................................................227

DeviceDiscovery.............................................................................................................................................................231

DeviceDiscoveryMLAMini.............................................................................................................................................238

Onlineoperation........................................................................................................................................................249

Right‐Clickmenu.........................................................................................................................................................251

Renaming....................................................................................................................................................................252

PEQs............................................................................................................................................................................252

LoadingSnapshots......................................................................................................................................................252

DefiningZones............................................................................................................................................................253

Synchronize.................................................................................................................................................................255

Delete..........................................................................................................................................................................255

MLA/MLD&CompactArrays.........................................................................................................................................255

ArrayCellCheck..........................................................................................................................................................260

PEQTab......................................................................................................................................................................265

Array&ZoneGanging................................................................................................................................................270

Arrayganging.............................................................................................................................................................271

ZoneGanging..............................................................................................................................................................273

X‐ArrayGanging.........................................................................................................................................................274

ZoneFilterGanging....................................................................................................................................................276

MLX&DSXArrays...........................................................................................................................................................276

BlockPEQ....................................................................................................................................................................280

SubArray/BlockGanging............................................................................................................................................281

MLAMini........................................................................................................................................................................282

MLAMiniCellcheck....................................................................................................................................................282

AssigningZonesinMLAMini......................................................................................................................................283

MLAMiniPEQ.............................................................................................................................................................286

MLAMiniGanging......................................................................................................................................................288

ArrayGanging.............................................................................................................................................................288

ZoneGanging..............................................................................................................................................................289

DD12...............................................................................................................................................................................290

Overview.....................................................................................................................................................................296

EQ...............................................................................................................................................................................299

Zones...........................................................................................................................................................................303

NoiseGate..................................................................................................................................................................304

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PSX..................................................................................................................................................................................305

Overview.....................................................................................................................................................................311

EQ...............................................................................................................................................................................315

Zones...........................................................................................................................................................................320

NoiseGate..................................................................................................................................................................321

Merlin.............................................................................................................................................................................322

Gain,Mute&Limiters.................................................................................................................................................322

Routing.......................................................................................................................................................................323

InputChannels............................................................................................................................................................325

OutputChannels.........................................................................................................................................................329

Delay...........................................................................................................................................................................330

DelayLink....................................................................................................................................................................332

Ganging......................................................................................................................................................................334

WholeInput/OutputGanging...................................................................................................................................334

CrossDeviceGanging.................................................................................................................................................339

LoadingPresets...............................................................................................................................................................342

PEQfiles......................................................................................................................................................................344

Otheroptions..............................................................................................................................................................346

Synchronise.................................................................................................................................................................347

MasterOverview............................................................................................................................................................349

ShowMode.....................................................................................................................................................................354

ModuleReplacement......................................................................................................................................................356

Replacethemodule....................................................................................................................................................356

Reconnectthemodule................................................................................................................................................356

Discoverthearray.......................................................................................................................................................356

RestoreOptimisations................................................................................................................................................360

CheckInputSettings...................................................................................................................................................365

TesttheArray.............................................................................................................................................................366

FirmwareUpdates..........................................................................................................................................................369

GetFirmwareUpdates................................................................................................................................................369

StartingaFirmwareUpdate.......................................................................................................................................371

MLA/MLDConversionTool.........................................................................................................................................375

MLAPickLoadspreadsheet................................................................................................................................................378

GroundStacking.........................................................................................................................................................381

MLACompactPickLoadSpreadsheet................................................................................................................................384

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GroundStacking.........................................................................................................................................................386

SystemWiring.....................................................................................................................................................................388

Mains..............................................................................................................................................................................388

U‐Net..............................................................................................................................................................................389

Ethernet..........................................................................................................................................................................389

Audio...............................................................................................................................................................................390

RiggingMLA.......................................................................................................................................................................391

SafetyFirst......................................................................................................................................................................391

Manpower......................................................................................................................................................................391

Wiringandrigging..........................................................................................................................................................391

Riggingthesystem‐standardflownsystem...................................................................................................................391

Arraysgreaterthan12enclosures..................................................................................................................................413

Rearpositionongrid......................................................................................................................................................414

FlyingMLX......................................................................................................................................................................416

CardioidFlownArrays.....................................................................................................................................................419

MLAFlownunderMLX....................................................................................................................................................422

GroundStackedMLAarrays...........................................................................................................................................424

RiggingMLACompact........................................................................................................................................................429

GroundStackingMLACompact......................................................................................................................................439

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MLASystem USERGUIDE

MLASystemUserGuideV2.0 14

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VersionHistory

ManualVersion2.0;‐

MLAFirmwareno:

MLACompactFirmwareno:

MLXFirmware:

DSXFirmware:

MerlinFirmware:2.0.5

Vu‐NetVersion:1.2.5

Display:2.1.10

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MLASystem USERGUIDE

MLASystemUserGuideV2.0 15

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Introduction

MLA and MLA Compact are the first products utilising a revolutionary Multicellular approach to sound distribution in large

venues.The MLAsystemprioritises thecoherenceandbalanceofsound whereitarrives atthe audienceareas ignoringthe

soundemittedfromthearray.IncorporatingMartinAudio’ssuperbacousticdesignthesystemmakesitpossibletoachievea

phenomenallyevendistributionofsoundtoeachand

everyaudiencememberandtoensureminimumsoundleakageintoareas

whereitisnotwanted,somethingthatnoothersystemcanoffer.



AboutThisManual

ThismanualexplainsindetailtheindividualcomponentsthatcompriseacompletesystemwhichmaybeMLA,MLACompact,

MLAMinioreven acombination ofallthree.System wiringand riggingisexplained andthetwo keysoftwarepackagesare

covered.Itisnothowevertheintentionforthismanualtobethesoletuto

rialmediumforthosewishingtousethesystem.Each

systemsaleisaccompaniedbyanextensivethreedaytrainingcoursewhichcoversusingthesystemincludingadayspenthands‐

onsettingupandde‐riggingasystem.Thereisagrowingbandoftrainedtechnicianswhohavecompletedthecourse.Inno

circumstancesshouldasystembeusedwit

houtatrainedMLAtechnicianpresent,thismanualisintendedasareferencefor

thosewhohavecompletedthecourseNOTasareplacementforit.



ZacBrownTour,Chicago2010

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MLASystemUserGuideV2.0 16

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ImportantSafetyInstructions

MLA/MLDMLACompact

ReadTheseInstructions

Keeptheseinstructionsforfuturereference

Heedallwarnings

Followallinstructions

Nonakedflamesourcessuchaslightedcandlesshouldbeplacedontheapparatus.

Donotblockanyventilationopenings

InstallinaccordancewiththeMartinAudioinstructions

Donotinstallnearanyheatsourcessuchasradiators,heatregisters,stovesorothersuchapparatusthatproduceheat.

Donotdefeatthesafetypurposeofthegrounding‐typeplug.Agroundingplughastwobladesandathirdgrounding

prong.Thethirdprongisprovidedforyoursafety.Iftheprovidedplugdoesnotfityouroutletconsultanelectricianfor

replacementoftheobsoleteoutlet.

Protectthepowercablefrombeingwalkedonorpinchedparticularlyatplugs,conveniencereceptacles,andthepoint

wheretheyexitfromtheapparatus

Thisequipmentmustbeearthed.

Onlyuseattachments/accessoriesspecifiedbyMartinAudio.

UseonlywithwheelboardandrigginghardwarespecifiedbyMartinAudio.WhenmovingtheMLAusingthesupplied

wheelboard,cautionshouldbeusedtoavoidinjuryfromthecabinettippingover.

Unplugthisapparatusduringlightningstormsorwhenunusedforlongperiodsoftime.

Nouserserviceablepartsinside,referservicingtoqualifiedservicepersonnel.Servicingisrequiredwhentheapparatus

hasbeendamagedinanywaysuchaspowersupplycordorplugisdamaged,liquidhasbeenspilledorobjectshave

fallenintotheapparatus,theapparatushasbeenexposedtorainormoisture,doesnotope

ratenormally,orhasbeen

dropped.

Donotremovecovers



CAUTION

RISK OF ELECTRIC SHOCK

DO NOT OPEN

!



Donotremoveanyprotectiveearthorsignalcableshieldconnections.



Merlin

Read These Instructions

Keep these instructions

Heed all warnings

Follow all instructions

Do not use this apparatus near water

To reduce the risk of fire or electric shock, do not expose this apparatus to rain, moisture or excessive dust.

No naked flame sources such as lighted candles should be placed on the apparatus.

Do not block any ventilation openings. This product is designed to be installed in a professional 19"rack with

adequate ventilation. Do not allow anything inside or on top of the 19"rack to block the ventilation of the

apparatus or rack.

Do not install near any heat sources such as radiators, heat registers, stoves or other such apparatus

(including amplifiers) that produce heat.

Do not defeat the safety purpose of the grounding-type plug. A grounding plug has two blades and a third

grounding prong. The third prong is provided for your safety. If the provided plug does not fit your outlet consult

an electrician for replacement of the obsolete outlet.

This equipment must be earthed.

Only use accessories specified by Martin Audio.

Unplug this apparatus during lightning storms or when unused for long periods of time.

No user serviceable parts inside, refer servicing to qualified service personnel.

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Do not remove covers

CAUTION

RISK OF ELECTRIC SHOCK

DO NOT OPEN

!



Do not expose the equipment to sources of dripping or splashing liquids and objects containing liquids, such

as vases, must not be placed on this equipment.

Do not remove any protective earth or signal cable shield connections.



ElectricalCompliance

SAFETY IEC60065:2002+A1:2005

Countryoforigin UnitedKingdom

EMCEMISSION EN55103‐1:1998

EMCIMMUNITY EN55103‐2:1996

ThisisaclassAproduct.Inadomesticenvironmentthisproductmaycauseradiointerferencesinwhichcasetheusermaybe

requiredtotakeadequatemeasures.

UnpackingtheUnits

Afterunpackingtheunit,pleasecheckitcarefullyforanydamage.Ifanyisfound,immediatelynotifythecarrierconcerned‐

you,theconsignee,mustinstigateanyclaim.Pleaseretainallpackagingincaseyouneedtoreturntheunit.

Pleasethinkofourenvironment.

Whentheproducthasreachedtheendofitsusef

ulli

fe,pleasedisposeofitresponsiblythrougharecycling

centre.

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MLA



TheMLAisathree‐wayactiveMulticellularloudspeakerwitheachcellcomprisingofadriveunit,aClassDhighpower,high

efficiencyamplifierandcomprehensivedigitalsignalprocessing.Therearesixcellsintotal,threehighfrequency,twomidanda

lowfrequencycellcomprisingofapairof12"bassdrivers.

Thecombinationofbuilt‐inamplificationandDSPoffersahitherto

unheard of level ofcontrol in a compact, lightweight loudspeaker. In conjunction with Display 2system design and VU‐Net

network controlsoftware applications, outstandinglevels of consistent,high qualityaudiocan bedistributed toevery point

t

hroughouttheaudienceinavenue.

TheMLAhasaudioinputsthatcanbeeitherstandardbalancedanalogueorAES/EBUdigital.Aparallelconnectionisavailableto

daisy‐chainbetweencabinets.TheMLAfeaturesnetworkcontrolviaaU‐Netinterfacewhichaswellascarryingallcontroldata

fortheon‐boardDSPalsofeeds

digitalaudiotothesystem.U‐Netconnectionsaremadeviaapairofveryhighquality,rugged

8‐waypush‐pulllatchingconnectorsratedforhighspeeddataapplications.

Mainsconnectionisviaa16ACeeformconnector.AcomprehensivemainsdistributionsystemissuppliedaspartoftheMLA

system.

EachofthesixchannelsofDS

Pcomprisesextensiveprocessingoptimisedforthedriver(s)undercontrol,thisincludesdelay,

parametricEQ,Highandlowpassfilters,IIRall‐passfilters,FIRlowpassfilterandEQ,gain,phaseandlimiting.Inadditionthere

areuseraccessibleparametersinclud

ingdelay,10bandsofparametricEQ,highpassfiltering,gain,phaseandmuting.

TheMLAsystemhasariggingsystembasedontheexistingpopularandefficientMartinAudiolinearraysystemsbutwithsome

innovativeimprovements.Thisallowsphenomenallyquicksystemriggingandde‐riggingparticularlyinviewofthefactthatthere

arenoamplifie

rracks

tosetupandbreakdown.

TheMLAisdesignedforuseoutdoorsinvirtuallyanyweatherconditionssoisratedtoIP24.Electricalsystemsareprotectedby

awaterproofflexiblecowl.

Thecabinetsareelegantlystyledwithawrapovergri

l

landinjectionmouldedrubberisedendcheeksthataswellasaddingto

thevisualaestheticmakeforeasyandstablestackingintrucksorwarehouses.Alargebarhandlemakeshandlingandrigging

thesystemaneasyjobandeachcabinetissuppliedwithafront‐mountedwheelboardandpro

tectivecanvascover.



 



MLASystem USERGUIDE

MLASystemUserGuideV2.0 19



…………



MechanicalDesign

MLAIsdesignedmechanicallytobeaneasytohandle,quicktorig,safe,ruggedandstabletouringloudspeaker.Thecabinetis

constructedpredominantlyfromhighgrade 18mmbirchplywoodwithriggingfabricatedfrompowdercoatedsteelandwith

decorativerubberendpanelswhichalsogiveimprovedstabilitywhenstackingonend.Astrong,widesteelbarhandlemakes

handlin

g safe and easyand the cabinet is coatedin a plasticised two partcompletely weatherproof textured black coating.

Together with the canvas weather cowl protecting the amplifier module from either excessive sunlight or precipitation the

systemcanbeusedoutdoorswithoutanyadditionalweatherproofingfo

rthearrays.

Rigging

MLA’srigginghasbeenderivedfromthehighlysuccessfulriggingsystememployedonMartinAudio’slinearraysystem.Thishas

provedtobepopular,quickandaboveallsafe.RiggingMLAwillbeinstantlyfamiliartoanyonewhohasriggedMartinAudio

systemsinthepast,wehavemadeafewminorimprovementstomake

iteveneasiertouseandithasprovedtobeincredibly

quicktoflyandland.

TheMLAsystemusesafrontriggingsystemwhichensuresthebestpossiblecouplingbetweencabinetswiththerequiredangle

adjustedusingtherearriggingpointswhichallowanglesfrom0.5°to7.5°.



 



MLASystem USERGUIDE

MLASystemUserGuideV2.0 20



…………



Thecabinetsarejoinedusingmachinedquick‐releasepins.Thesehavespringloadedballbearingsattheendofthepinwhich

protrudebeyondthe outerdiameterofthepin thuslockingthem inplace.To releasethem,thecentralbuttonis depressed

whilstpullingthepinclearusingthewideflange.Thisisbestdonewiththeforeand

indexfingerspullingthepinwhilstyour

thumbdepressesthecentralbutton,averyquickandeasyoperation.Whenusingthepinstolinkcabinets,thecentralbutton

mustagainbedepressedsothepincanbepushedintoposition.Itisimportanttocheckthatth

ecentralbuttondoesnotremain

depressedonceyouhaveputitinplaceasthiswouldindicatethatthepinhasnotbeenpushedallthewayintopositionandthe

ballbearingsattheendofthepinhavenotbeenabletopopoutandlockthepininplace.Ifthepinisnotlockedthearrayis

unsafe.ThepinMUSTbereposi

tioneduntilitissecurelylockedinplace.



TheMLAhasanimprovedfrontriggingbracketwithabarthatrunsthefullheightofthecabinet.Thispreventsthecabinets

collapsing

downoneachotherwherethereismoreweightsupportedontherearpoint;althoughthismayonlymakeadifference

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