Martin Audio Blackline X115 User Guides

User Guide

BlacklineX

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BlacklineX USERGUIDE

BlacklineXUserGuideV1.0 1

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BlacklineX USERGUIDE

BlacklineXUserGuideV1.0 2

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Content

Introduction......................................................................................................................................................................................6

Unpacking.........................................................................................................................................................................................6

BlacklineXSeriesoverview...............................................................................................................................................................7

2‐wayfull‐rangesystems:.............................................................................................................................................................7

Directradiatingportedsub‐basssystems....................................................................................................................................7

2‐waypassivefull‐rangesystems.....................................................................................................................................................8

X8..................................................................................................................................................................................................8

X10................................................................................................................................................................................................9

X12..............................................................................................................................................................................................10

X15..............................................................................................................................................................................................11

Sub‐basssystems............................................................................................................................................................................12

X115............................................................................................................................................................................................12

X118............................................................................................................................................................................................13

X210............................................................................................................................................................................................14

Accessories.....................................................................................................................................................................................15

WallBrackets..............................................................................................................................................................................15

EyeBolts.....................................................................................................................................................................................16

PoleMount.................................................................................................................................................................................17

Safetyfirst.......................................................................................................................................................................................18

Poleorstandmounting..............................................................................................................................................................18

Stacking.......................................................................................................................................................................................18

Riggingandsuspension..............................................................................................................................................................18

Amplification..................................................................................................................................................................................19

Choosingapoweramplifier........................................................................................................................................................19

GainSettings...............................................................................................................................................................................19

RecommendedAmplifiers..........................................................................................................................................................19

Connections....................................................................................................................................................................................20

Sub‐WooferConnections............................................................................................................................................................20

WiringDiagrams.............................................................................................................................................................................23

SystemA‐basicset‐up................................................................................................................................................................23

Productsthatmaybeusedwiththiswiring;‐.........................................................................................................................23

SystemB‐IntroducingaProcessor.............................................................................................................................................24

Productsthatmaybeusedwiththiswiring;‐.........................................................................................................................24

SystemC‐AddingaMonoSub....................................................................................................................................................25

Productsthatmaybeusedwiththiswiring;‐.........................................................................................................................25

SystemD‐AddingSubwooferswithasecondamplifier .............................................................................................................26

Productsthatmaybeusedwiththiswiring;‐.........................................................................................................................26

SystemE‐StereoSubwoofers.....................................................................................................................................................27

Productsthatmaybeusedwiththiswiring;‐.........................................................................................................................27

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BlacklineX USERGUIDE

BlacklineXUserGuideV1.0 3

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SystemF–StereoSubwoofersusingthebi‐ampwiringfacility.................................................................................................28

Productsthatmaybeusedwiththiswiring;‐.........................................................................................................................28

DX0.5..............................................................................................................................................................................................29

Introduction................................................................................................................................................................................29

Features......................................................................................................................................................................................29

RearPanel...................................................................................................................................................................................29

1.Power..................................................................................................................................................................................29

2.PowerLeadSocketandFuse..............................................................................................................................................29

3.Main:Lift/Gnd...................................................................................................................................................................30

4.XLROutputs........................................................................................................................................................................30

5.XLRInputs...........................................................................................................................................................................30

FrontPanel.................................................................................................................................................................................30

6.LCDDisplay.........................................................................................................................................................................30

7.Nav/Edit1Control...............................................................................................................................................................30

8.Edit2Control.......................................................................................................................................................................30

9.Edit3Control.......................................................................................................................................................................30

10.EnterButton.....................................................................................................................................................................31

11.ESCButton........................................................................................................................................................................31

12.UtilityButton....................................................................................................................................................................31

13.Mute/EditButtons..........................................................................................................................................................31

14.EditLEDs...........................................................................................................................................................................31

15.MuteLEDs.........................................................................................................................................................................31

16.Meters..............................................................................................................................................................................31

17.USB................................................................................................................................................................................... 32

FactoryReset..........................................................................................................................................................................32

Utilities........................................................................................................................................................................................32

SystemUtilities...........................................................................................................................................................................32

SystemSetup..........................................................................................................................................................................33

DelayUnits..............................................................................................................................................................................33

Rampsonchanges..................................................................................................................................................................33

SoftwareVersion....................................................................................................................................................................33

PresetUtilities............................................................................................................................................................................34

RecallaPreset........................................................................................................................................................................34

SaveaPreset........................................................................................................................................................................... 34

DeleteaPreset.......................................................................................................................................................................34

SecurityUtilities..........................................................................................................................................................................35

ShowParameter.....................................................................................................................................................................35

LockUnit.................................................................................................................................................................................35

UserPassword........................................................................................................................................................................35

EnablePassword.....................................................................................................................................................................35

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BlacklineX USERGUIDE

BlacklineXUserGuideV1.0 4

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Editing.........................................................................................................................................................................................36

InputsA/B:............................................................................................................................................................................36

Gain.........................................................................................................................................................................................36

Delay.......................................................................................................................................................................................36

EQBypass...............................................................................................................................................................................37

5‐BandEQ...............................................................................................................................................................................37

Outputs1‐6:................................................................................................................................................................................38

Name......................................................................................................................................................................................38

Source..................................................................................................................................................................................... 38

Polarity.................................................................................................................................................................................... 38

Gain.........................................................................................................................................................................................38

EQBypass...............................................................................................................................................................................39

7‐BandEQ...............................................................................................................................................................................39

Delay.......................................................................................................................................................................................39

HighPassFilter.......................................................................................................................................................................40

LowPassFilter........................................................................................................................................................................40

Limiter.....................................................................................................................................................................................40

VUMeter................................................................................................................................................................................41

LinkingInputsorOutputs...........................................................................................................................................................41

ControlApplication.....................................................................................................................................................................41

GrilleRemovalandhornRotation..................................................................................................................................................42

GrilleRemoval............................................................................................................................................................................42

Rotatingthehighfrequencyhorn..............................................................................................................................................44

BadgeRotation...........................................................................................................................................................................44

WallMounting................................................................................................................................................................................47

EyeBoltMounting..........................................................................................................................................................................53

Specifications..................................................................................................................................................................................54

X8................................................................................................................................................................................................54

X10..............................................................................................................................................................................................54

X12..............................................................................................................................................................................................55

X15..............................................................................................................................................................................................55

X115............................................................................................................................................................................................56

X118............................................................................................................................................................................................56

X210............................................................................................................................................................................................57

Notes......................................................................................................................................................................................57

TechnicalDrawings.........................................................................................................................................................................58

X8................................................................................................................................................................................................58

X10..............................................................................................................................................................................................58

X12..............................................................................................................................................................................................59

X15..............................................................................................................................................................................................59

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BlacklineX USERGUIDE

BlacklineXUserGuideV1.0 5

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X115............................................................................................................................................................................................60

X118............................................................................................................................................................................................60

X210............................................................................................................................................................................................61

Warranty.........................................................................................................................................................................................62

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BlacklineX USERGUIDE

BlacklineXUserGuideV1.0 6

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Introduction

Thank you for purchasing a Martin Audio BlacklineX Series system. Now, with BlacklineX, Martin Audio’s R&D team has

engineeredaclassicsuiteofpassiveloudspeakersforthe modernera.Deliveringthesignaturesoundofwarmth,nuanceand

claritybutwithimprovedoverallperformanceatapricepointnotpreviouslypossible,BlacklineXisaclean,smartdesignwith

noco

mpromisebetweentheneedsofinstallationand portability.Applicationsrangefromportablesoundreinforcement and

stagemonitoringforlivebands,DJ’sandcorporateevents,toinstallationsinnightclubs,bars,commercialspacesandHoW.

Comprising four two‐way systems — from the ultra‐compact X8 to the pow

erful X15 — and three subwoofers, including an

unobtrusivelow‐profilemodel,themulti‐purposeBlacklineXSeriesraisestheperformanceofloudspeakersystemsinitsclassto

a new level. Each symmetrical, multi‐angle full‐range enclosure features a user rotatable horn for horizontal or vertical

orientation, and has a screw‐free, cloth‐bac

ked steel grille. Comprehensive mounting  options include wall bracket, eyebolt

suspension and pole‐mounting. Ergonomic handles at the rear of each full‐range enclosure make for easy handling while

maintainingcleanlinesforinstalledsystemswherehandlesonthecabinet'ssidearelikelytolookobtrusive.

AllBlacklineXSeriesenclosuresareconstructedfrombirch/

poplarplywoodandfinishedwithadurableblacktexturedpaint,with

whiteandcustomRALcolouroptionsavailable toorder.

Professional and affordable, Bl acklineX puts Martin Audio signature sound within easy reach of musicians, DJ’s and systems

integrators—theBlacklineheritagere‐imaginedforthemod

ernera.

BecausetheX8,X10,X12andX15arepassivesystemsembodyingcorrectacousticdesignprinciples,theycanbeusedwithouta

controllerprovidedtheirAESandpeakpowerratings arenotexceededandcareistakentoavoidamplifierclipping.Formaximum

performance,however,werecommendthatBlacklineXSeriessystemsareusedwiththeMartinAud

ioDX0.5whichisahighly

versatile2input 6outputdigital loudspeakerprocessor,economicallypricedtomake itanexcellentmatc h fortheBlacklineX

range.AProjectfilewithparametersfortherangecanbedownloadedfromtheMartinAudiowebsiteandca

nquicklyandeasily

beuploadedtoa DX0.5using theDX0.5softwareapplicationwhich isalso availableasafreedownloadedfromthe Software

sectionontheMartinAudiowebsite.TheMartinaudioDX1.5orDX2systemcontrollerscanalsobeusedandaspreadsheetwith

parametersfortheBlacklineXran

geisalsoavailablefromtheLoudspeakersettingpageintheSupportsectionofthewebsite.

Unpacking

EachMartinAudioBlacklineXSeriesloudspeakerisbuilttothehigheststandardandthoroughlyinspectedbeforeitleavesthe

factory.Afterunpackingthesystem,examineitcarefullyforanysignsoftransitdamageandinformyourdealerordistributorif

anysuchdamageisfound.Itissuggestedthatyouretaintheori

ginalpackagingsothatthesystemcanberepackedatafuture

dateifnecessary.

PleasenotethatMartinAudioanditsdistributorscannotacceptanyresponsibilityfordamagetoanyreturnedproductthrough

theuseofnon‐approvedpackaging.

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BlacklineX USERGUIDE

BlacklineXUserGuideV1.0 7

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BlacklineXSeriesoverview

TheBlacklineXSeriesismadeupof…

2‐wayfull‐range systems:

X8(8”+1”)

X10(10”+1”)

X12(12”+1”)

X15(15”+1”)

Directradiatingportedsub‐basssystems

X115(single15”,ported)user ‐selectable120Hzlow‐passfilter

X118(single18”,ported)user ‐selectable120Hzlow‐passfilter

X210(2x10”,ported)user‐selectable120Hzlow‐passfilter

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BlacklineXUserGuideV1.0 8

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2‐waypassivefull‐rangesystems

X8

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TheX8isanultra‐compactpassivetwo‐waysystemfeaturingan8”(200mm)/2”(50mm)voicecoilLFdriveranda1”(25mm) HF

drivermountedona90°x50°hornwhichcanbeeasilyrotatedforhorizontalorverticalorientation.It'svery smallsizegivesno

indicationofitshighou

tputcapability.

Asastand‐aloneloudspeaker,ithasamultitudeofprofessionalapplications—fromdistributedsoundreinforcement,HoWand

AVeventstofront‐fill/infillanduseasamicrostagemonitor.Complement edbyaBlacklineXsubwoofer,itistheideal,simple‐

to‐usesystem forportableapplications and installations  which call fo

ran unobtrusivesystemthat candeliverpristinesound

overshortandmediumthrowdistances.

The X8 is constructed from birch/poplar plywood and fitted with a screw‐free steel grille, M8 inserts for a wall bracket and

eyebolt suspension, plus a pole‐mount socket. The X8 may be used with or with

out a system controller. For demanding

applications,MartinAudiorecommendsaDX0.5systemcontrollerconfiguredtoperformEQandlimiterfunctions. The  DX0.5

mayalsobeusedtoconfiguresystemsforadditionalsub‐basscabinets–e.g.X8+X115orX210

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BlacklineX USERGUIDE

BlacklineXUserGuideV1.0 9

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X10

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TheX10isahighperformanceyetverycompacttwo‐waypassiveloudspeakersystemwhichutilisesa10”(250mm)/2.5”(63mm)

voicecoilLFdriveranda1”(25mm)exitHFcompressiondriverwitha1.4”(35mm) polyimidediaphragm.Therotatable90°x

50°HFhornhasequalhorizontalandverticalmouthd

imensionsfordirectivitycontrolinbothplanes.

WithamaximumSPLof124dB@1m,itisuniquelyplacedtomeettheforegroundrequirementsofmusicbarsandclubsthat

require upfront sound levels from a very compact enclosure. Use with a BlacklineX Series subwoofer will enable the X10 to

operateassma

lldancefloororsoundreinforcementsystemthatisremarkablypowerfulforitssize,aswellasbeingextremely

portable.

The X10is constructed from birch/poplarplywood and fitte d with a screw‐free steel grille, M8 insertsfor a wall  bracket and

eyeboltsuspension,plusapole‐mountsocket.

TheX10maybeusedwithorwi

thoutasystemcontroller.Fordemandingapplications,MartinAudiorecommendsaDX0.5system

controllerc onfiguredtoperformEQandlimiterfunctions.The DX0.5mayalsobeusedtoconfiguresystemsforadditionalsub‐

basscabinets–e.g.X10+X115orX118



 



BlacklineX USERGUIDE

BlacklineXUserGuideV1.0 10



…………

X12



TheX12 fulfils the requirement fora compact systemthat can deliver high sound levels— either asa stand‐alonesystem or

supplementedbyaBlacklineXsubwoofer.Featuringa12”(300mm)LFdriverunitanda1”(25mm)exit compressiondriverona

rotatablehorn,its80°x50°dispersionpatternisidealformediumthrowapplications.TheLFdriverhasa2.5”(65mm)vo

icecoil

andahighBLmotor,whiletheHFcompressiondriverutilisesa1.75”(44mm)polyimidediaphragmforextendedhighfrequency

response.

TheX12’s enclosure is constructedfrom birch/poplar plywood andcoated in blacktexturedpaint. For easyremoval, its steel

gril

leisaspring‐fitintothesidesoftheenclosure.ItisfittedwithM8insertsfora wallbracketandeyeboltsuspension,plusa

pole‐mountsocketwitharemovablebungthatmaintainsclea nlineswhentheX12isusedininstallapplications.

TheX12maybeusedwithorwi

thoutasystemcontroller.Fordemandingapplications,MartinAudiorecommendsaDX0.5system

controllerc onfiguredtoperformEQandlimiterfunctions.The DX0.5mayalsobeusedtoconfiguresystemsforadditionalsub‐

basscabinets–e.g.X12+X115orX118



 



BlacklineX USERGUIDE

BlacklineXUserGuideV1.0 11



…………

X15



The X15 is a very high‐power, passive two‐way system designed for professional portable  applications and installations that

demandtheultimate insonicperformancefrom asingleenclosure.With anaccurately‐defined80° x 50°coveragepattern,it

combinesveryhighoutputcapabilitywithexceptionalsonicperformanceandimpact.

Itfeaturesapowerful15

”(380mm)/3”(75mm)voicecoilLFdriveunit,anda1”(25mm)exitHFcompressiondriverwitha1.75”

(44mm)polyimidediaphragmforextendedhighfrequencyresponse.

Itsprotectivesteelgrilleisa spring‐fitintothesides of theenclosureforeasyaccess to rotatetheHF hor

n.Thesymmetrical ,

multi‐angleenclosureismanuf a cturedfrombirch/poplarplyandcoatedintexturedblackpaint.ItisfittedwithM8insertsfora

wallbracketandeyeboltsuspension,plusapole‐mountsocket.

TheX15maybeusedwithorwithoutasystemcontroller.Fordemandingapplications,MartinAudiorecomme

ndsaDX0.5system

controllerc onfiguredtoperformEQandlimiterfunctions.The DX0.5mayalsobeusedtoconfiguresystemsforadditionalsub‐

basscabinets–e.g.X15+X118





 



BlacklineX USERGUIDE

BlacklineXUserGuideV1.0 12



…………

Sub‐basssystems

X115



The X115 is a very compact subwoofer designed to augment the low frequency performance of BlacklineX Series full‐range

systems.Itcomprisesalongexcursion15”(380mm)/3”(75mm)voicecoildriverinabassreflexenclosureandcanbeusedsingly,

stackedorflownviainteg ralM10inserts.Fourlargeportscon

tributetoareductioninairnoiseathighoutputlevels.

Theenclosureisconstructedfrombirch/poplarplywithatexturedpaintfinishandthedriverisprotectedbyanimpact‐resistant

perforatedsteelgrillewhichispre‐curvedtoresistdamage.TheX115hasa35mmpole‐mountfittinginth

etopsurfacethatcan

beusedtopolemountanX8,X10,orX12abovetheenclosure,andtwosidehandlesforeasyhandling.

TheS115isdesignedforuse inatwowayactivebi‐ampsystem.ADX0.5systemcontrolleristheideasystemcontrollertoprovid e

theactivecross

overfunctionandenhancedcontrolfacilities.



 



BlacklineX USERGUIDE

BlacklineXUserGuideV1.0 13



…………

X118



TheX118isacompact,highperformancesubwooferforusewithBlacklineXSeriesfull‐rangeloudspeakers.Itextendsthelow

frequencyoperatingrangeofthecombinedsystemto42Hzandprovidesexceptionallowfrequencyimpact.Itcanbeusedsingly,

stackedorflownviaintegralM10insetsandfeaturesalong‐ex

cursion18”( 460mm)/3”(75mm)voicecoildriverinacompact

reflexenclosure.Itsfourreflexportshavealargefrontalareatoreduceturbulentairnoiseatveryhighlevels.

TheX118enclosureisconstruc tedfrombirch/poplarplyandfinishedintexturedblack paint.Aperforatedsteelgrilleprotects

thedriver,andtheenclosurehasa35mmpole‐mountfitt

inginthetopsurfaceandtwosidehandles.

TheS118isdesignedforuse inatwowayactivebi‐ampsystem.ADX0.5systemcontrolleristheideasystemcontrollertoprovide

theactivecrossoverfunctionandenhancedcontrolfaci

lities.



 



BlacklineX USERGUIDE

BlacklineXUserGuideV1.0 14



…………

X210



TheX210isaslimlinedual‐driversubwooferdesignedforsituationsthatcallforavisuallyunobtrusiveenclosure.Itcanbeused

singly,stackedorflownviaintegralM10insertsanditsultra‐compactsizemakesitidealforapplicationswherespaceislimited.

Itfeaturesdual10”(250mm)/2”(50mm)voicecoildriversandgenerouslysizedlowfreque

ncyportsforreducedairnoise.The

enclosureisconstructedfrombirch/poplarplywithatexturedpaintfinishandthedriversareprotectedbyanimpact‐resistant

perforatedsteelgrille.Ithastwinergonomichandlesattherearoftheenclosureforeasyhandling.

TheS210isdesignedforuse inatwowayactivebi‐ampsystem.ADX0.

5systemcontrolleristheideasystemcontrollertoprovide

theactivecrossoverfunctionandenhancedcontrolfacilities.



 



BlacklineX USERGUIDE

BlacklineXUserGuideV1.0 15

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…………

Accessories

AcomprehensiverangeofaccessoriesisavailablefortheBlacklineXrangeforbothportableandinstallationuse.

WallBrackets



TheBlacklineXrangesharesthemountingconfigurationofthe CDDinstallationrangesothesamewallbracketscanbeemployed.

Theseareatwopartbracketenablingthewallsectiontobefittedatfirstfixstagewhencablesarerun.Thecabinethalfcanbe

fittedtothespeakerinadvanc

eofarrivingatsitesothatfinalinstallationisjustacaseofjoiningthetwohalvesofthebracket

andadjustingthepositionforthecoveragere quired,andconnectingthecable.

Thebracketsforeachmodelareasfollows;‐

BlacklineX8 WB6/8B

BlacklineX10 WB10/12B

BlacklineX12 WB10/12B

BlacklineX15 WB10/12B



 



BlacklineX USERGUIDE

BlacklineXUserGuideV1.0 16

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…………

EyeBolts



AllBlacklineXSeriesspeakershavethreadedinsertsavailableforflownapplicationsinfixedinstallations.Allfullrangecabinets 

haveM8inserts,allsubwoofershaveM10inserts.Theinsertscanbeusedforfittingbespokeflyinghardwareorforflyingusing

EyeBolts.Thesemustbe forgedsteelshoulderedtypescertifiedwitha safeworkingload inexcessofthecabinet weight.Do

NOTbetempte

dtousecheapformedsteeltypescommonlyavailablefromDIYstoresastheyareunsafeforflyingheavyspeaker

cabinets.Correctly ratedshoulderedeyeboltsare availablefromMartinAudio asanoptional accessory,part numbersareas

foll

ows;‐

M8(BlacklineX8,10,12,15) HTK00003

M10(BlacklineX210,115,118) HTK00004



 



BlacklineX USERGUIDE

BlacklineXUserGuideV1.0 17

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…………

PoleMount



BlacklineXSeriesspeakershaveintegralpolemount"tophat"fittings.Thesearefittedtothe baseofallfullrangespeakers;X8,

10,12and15,andonthetopoftheBlacklineX115and118.Thefittingsallusethestandard35mmdiametersotheycanbeused

withanyregula

rspeakerstandoraccessory.Thefittinginthesubsallowsuseofamountingpoletoelevateoneofthefullrange

cabinetsontopofthesubwithouttheneedforabullyandunsightlytripodstands.Distancepolesarealsowidelyavailablebut

MartinAudiomakeapolespecificallyfo

rusewiththeBlacklinerange.ThepartnumberisanHTKCT04.Thiswillsupportanyof

thefullrangecabinetsatthe optimumheightaboveeitheran X115orX118.





 



BlacklineX USERGUIDE

BlacklineXUserGuideV1.0 18

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…………

Safetyfirst

It is important that loudspeaker systems are used in a safe manner. Please take some time to review the following points

concerningsafeuseofBlacklineSeriesloudspeakers.

Professionalloudspeakersarecapableofproducingextremelyhighsoundlevelsandshouldbeusedwithcare.Hearinglossis

cumulativeandcanresult fromlevelsabove 90dBifpeop

leareexposedfor alongperiod. Neverstandclosetoloudspeakers

drivenathighlevel.

Poleorstan d m ounting

BlacklineXfull‐rangeloudspeakersincorporatepolemounting(“tophat”)socketssothattheymaybepoleorstandmounted.

Whenusingpolesorstands,thefollowingprecautionsareadvised:

 Ensure that the stand will support the  weight of the speaker by checking the stand manufacturers rating. (See the

Section10–TechnicalSpecific

ations‐forindividualBlacklineXweightsanddimensions)

 Makesurethatthestandisplacedonalevelsurfaceandthatitslegsarefullyextended

 Donotplacemorethanonespeakeroneachstand

 Runcablessothattheydonotpresentatriphazardwhich co

uldpullthespeakerover

 Whenusedoutdoorsinthewind,itmaybenecessarytoaddsomeweighttothebaseofthestand

 Whenusingapolemountwithasub‐basssystem,observesimilarprecautions.

Stacking

 Ensurethatthefloororstageislevelandsolid

 Donotstackspeakerstoohighoutdoorswherewindscouldtopplethestack

 Be aware that speakers producing very high power levels can move or creep. To avoid this, place friction material 

betweenthefloorandspeakerandbetweeneachspeakerorusestrappingtosecurethesta

ck.

Riggingandsuspension

WARNING:Suspendingthesystemshouldonlybedonebyqualifiedpersonnelfollowingsaferiggingpractices.Secure fixingsto

thebuildingstructurearevital.Seekhelpfromarchitects,structuralengineersorotherspecialistsifinanydoubt.

BlacklineXSeriesenclosuresaredesignedforportableapplications,butcanbesuspendedsinglybymeansofth

ethreadedinserts

provided.Enclosuresarefittedinternallywithsteelcornerreinforcementbrackets,wherenecessary,toensurethateachcabinet

isstrongenoughtobehungfromitstop.

 Neversuspendoneenclosurefromanothertoformanarrayorclusterusingthesefittings

 Thecommonpracticeofusing commercial

lyavailableeyeboltsforsuspensionshouldonlybeundertakenwithgreat

caution.Onlyforgedshouldereyeboltsshouldbeconsideredanditisimportantthatthethreadlengthisatleast30mm

 Formedeyeboltsi.e.thosewhichareformedfromasteelrodbentintoaneyearenotrecommended

 Eyeboltsarestrongestalongthethreadaxis.Anglingtheenclosurewillresultinananglepullanditisimportanttouse

eyeboltsthataresafeinthesecircumstances.





 



BlacklineX USERGUIDE

BlacklineXUserGuideV1.0 19



…………

Amplification

Choosingapoweramplifier

Martin Audio loudspeakers are capable of recreating musical dynamics accurately and with incredible impact if powered

correctly.MartinAudioloudspeakerpowerratingsarequotedforAESpower‐along‐termaveragepowerratingwitha much

closerrelationtoamusicsignalthanothermeasurementstandardssuchasRMS,andPeakpower–ashort‐termburstcapability

.

Moving coil loudspeakers can be run up to their AES power rating continuously  and up to the higher Peak power rating for

transientmusicalpeaks.AllBlacklineXSeriesspeakershaveapeakpowerratingfourtimesthelong‐termAESrating.Ideallyyou

shoulduseanamplifierthatcandelivertheful

lpeakratingwithoutriskofclipping.Thishowevermaybebeyondthebudgetfor

manysoagoodcompr omiseistoaimforanamplifierthatcandeliveratleasttwicetheAESrating.

Thisisparticularlythecasefortheamplifierdr

ivinganX8,10,12or15whentheyareusedinconjunctionwithanX210,115or

118 as the sub cabinet will be delivering the majority of the  energy in the program material. Do not howeverscrimp on the

amplifierdrivingthesubwoofer.

This should be acceptable for many applications but  be aware of the limitations particularly if the system is used wit

h

uncompressedlivemusic.Inparticularitisvitaltoavoidamplifierclipping,thisispossiblythebiggestsinglecauseofdamageto

speakerdrivers.The clippedwaveformhasa colossalharmonic  outputatultra‐high frequenciesallbein

gdeliveredatth e  full

powercapabilityoftheamplifiersospeakerdamageisextremelylikely.

Theamplifierselectiontablebelowwillassistinchoosinganamplifiertosuityourapplicationatanacceptablepricepoint.

GainSettings

The vast majority  of professional and even budget amplifiers on the market these days have a standard front to back gain

regardlessoftheiroutputpowercapability.Theindustrystandardgainfigureis32dBwhichisagainofX40.Thisfigureisagood

balancebetweenenoughgaintorunthatmajo

rityofsystemswithouthavingtodrivemixersandanyotherprocessingequipment

atalevelsohighthatthereisariskofclipping,andnottoomuchgainwhichwouldraisethenoisefloorofthesystem.When

usingaDX0.5orother systemprocessorwhichhas alimiterfunctionyo

ushouldalwaysuse the  limitersettingsshown inthe

parameterchart(seethechapter ontheDX0.5SpeakerProcessor). Thelimiterthresholdiscalculated toallow themaximum

levelfromyoursystemwithoutdamageandisbasedonaknownamplifiergainsetting‐32dBbydefault.Forth

atreasonitisvital

thatiftheamplifierhasfrontpanelgaincontrolstheyMUSTbesetFULLUP.Loweringthemdoesnotoffermoreprotectionfor

yoursystem,itjustchangesthe gainsettingoftheamplifiersoagreaterinputlevelisrequiredtoobta inthemaximumpower

fromthe amp.This will makethe limiterin th

esystemcontroller uselessas thegain isno longer atthe settingfor which the

thresholdhasbeencalculated.Foroptimumperformancealwaysobservethefollowing;‐

 UseaDX0.5orhighqualitysystemprocessor

 UsethepublishedParametersfortheBlacklineXrange

 Useanamplifierwithagainof32dB(X40)

 Alwaysrunfrontpanelgaincontrolsfullup

 Avoidamplifiersthatonlyquoteasensitivityrating;"xxdBformaximumoutput"(i.e.nopublishedgainsetting)

RecommendedAmplifiers

Model AES Power

Rating

Peak Power

Rating

Ideal amplifier rating Minimum rating Martin Audio amplifiers

4Ω 8Ω 4Ω 8Ω

X8 200W 800W 1,600W 800W 800W 400W MA3.0,MA2.8Q

X10 250W 1,000W 2,000W 1,000W 1,000W 500W MA3.0,MA2.0

X12 300W 1,200W 2,400W 1,200W 1,200W 600W MA5.2K,MA5.0Q

X15 400W 1,600W 3,200W 1,600W 1,600W 800W MA9.6K,MA3.0

X115 500W 2,000W 4,000W 2,000W 2,000W 1,000W MA12K,MA5.2K

X118 500W 2,000W 4,000W 2,000W 2,000W 1,000W MA12K,MA5.2K

X210 500W 2,000W 2,000W 1,000W 1,000W 500W MA3.0,MA2.0

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