Martin Audio iK42 User Guides

User Guide

iKON Series

Ampliﬁers



 



iK81/iK42 USERGUIDE

iK81/iK42UserGuideV1.0 1



…………

MartinAudioiKonAmplifierUserGuide

Contents

MartinAudioiKonAmplifierUserGuide..........................................................................................................................................1

Contents...........................................................................................................................................................................................1

IMPORTANTSAFETYINSTRUCTIONS................................................................................................................................................4

CONSIGNESDESÉCURITÉIMPORTANTES.........................................................................................................................................5

AVERTISSEMENTDESECURITE.....................................................................................................................................................5

COMPLIANCE....................................................................................................................................................................................6

FORCUSTOMERSINEUROPE........................................................................................................................................................6

FORCUSTOMERSINTHEUSA.......................................................................................................................................................6

FORCUSTOMERSINCANADA.......................................................................................................................................................7

ThanksandUnpacking......................................................................................................................................................................7

UnpackingtheMartinAudioiK42/iK81SeriesAmplifier..............................................................................................................7

INSTALLATIONINSTRUCTIONS..........................................................................................................................................................8

MechanicalInstallation.................................................................................................................................................................8

ACPowerConnection...................................................................................................................................................................9

TheUserGuide...............................................................................................................................................................................10

IntroductionandKeyFeatures.......................................................................................................................................................11

Introduction................................................................................................................................................................................11

KeyFeatures...............................................................................................................................................................................11

AudioConnections..........................................................................................................................................................................13

InputConnections......................................................................................................................................................................13

Usingunbalancedconnections...................................................................................................................................................13

AmplifierOutputConnections....................................................................................................................................................13

LoadMatching............................................................................................................................................................................15

PanelLayouts..................................................................................................................................................................................16

Quickstart......................................................................................................................................................................................19

LoadingXE500(orXE300Bi‐amp)Presets..................................................................................................................................19

LoadingXE300PassivePresets...................................................................................................................................................20

Operation.......................................................................................................................................................................................22

Startinguptheunit.....................................................................................................................................................................22

OverviewofModules,PresetsComponentsandSnapshots......................................................................................................22

Navigation...................................................................................................................................................................................23

TheHomePage...........................................................................................................................................................................24

DriveModules............................................................................................................................................................................24



 



iK81/iK42 USERGUIDE

iK81/iK42UserGuideV1.0 2



…………

DriveModulePresets.................................................................................................................................................................24

ComponentPresets....................................................................................................................................................................24

FactoryModulePresets..............................................................................................................................................................24

StoringModulePresets..............................................................................................................................................................25

RecallingModulePresets...........................................................................................................................................................25

RecallingComponents................................................................................................................................................................25

Input...............................................................................................................................................................................................26

AES3Inputs.................................................................................................................................................................................26

Dante™Inputs............................................................................................................................................................................26

AutomaticInputSelection(Fallover)..........................................................................................................................................26

GainandPolarity........................................................................................................................................................................26

Delay...........................................................................................................................................................................................27

HighPassFilter...........................................................................................................................................................................27

ParametricEqualisation..............................................................................................................................................................27

FIRShelvingEQ...........................................................................................................................................................................27

ParametricFilters........................................................................................................................................................................27

Routing.......................................................................................................................................................................................27

Output............................................................................................................................................................................................28

HighandLowpassFilters...........................................................................................................................................................28

LIRCrossoverFiltering................................................................................................................................................................28

ParametricEqualisationandAll‐PassFilters...............................................................................................................................28

Limiters.......................................................................................................................................................................................28

VXLimiter...................................................................................................................................................................................29

TmaxThermalLimiter.................................................................................................................................................................29

XmaxExcursionLimiter...............................................................................................................................................................29

Bridge..........................................................................................................................................................................................29

Driver..........................................................................................................................................................................................30

UtilityPages....................................................................................................................................................................................31

ScreenContrast..........................................................................................................................................................................31

StereoLinking.............................................................................................................................................................................31

CurrentEthernetIPAddress.......................................................................................................................................................31

IPMode......................................................................................................................................................................................31

IPStatic.......................................................................................................................................................................................31

StoreSnapshot...........................................................................................................................................................................31

RecallSnapshot...........................................................................................................................................................................31

BandwidthUnits.........................................................................................................................................................................31



 



iK81/iK42 USERGUIDE

iK81/iK42UserGuideV1.0 3



…………

AuxStyle.....................................................................................................................................................................................31

ECO.............................................................................................................................................................................................31

ExternalBreakerProtection(EBP)..............................................................................................................................................32

Ethernet..........................................................................................................................................................................................32

Ethernetconfigurations..............................................................................................................................................................32

DHCP...........................................................................................................................................................................................32

AUTO‐IP......................................................................................................................................................................................32

Static‐IP.......................................................................................................................................................................................32

IPTroubleshooting......................................................................................................................................................................32

Snapshots.......................................................................................................................................................................................33

AUXPort.........................................................................................................................................................................................33

Latencydelay..................................................................................................................................................................................34

SecureMode...................................................................................................................................................................................35

OverlayFlush..................................................................................................................................................................................35

ReverttoFactorySettings..............................................................................................................................................................35

ProtectionSystems.........................................................................................................................................................................35

SummaryofProtectionIndication..............................................................................................................................................35

IncidentReporting......................................................................................................................................................................36

FaultRelay..................................................................................................................................................................................36

PerformanceLogging..................................................................................................................................................................36

Vu‐Net............................................................................................................................................................................................37

ProcessingBlockDiagram...............................................................................................................................................................38

InputMenuMap.............................................................................................................................................................................39

OutputMenuMap..........................................................................................................................................................................40

UtilityMenuMap...........................................................................................................................................................................41

EQandFilterResponseGraphs......................................................................................................................................................42

TechnicalSpecifications..................................................................................................................................................................45

General.......................................................................................................................................................................................45

Audio..........................................................................................................................................................................................45

Digitalprocessing........................................................................................................................................................................45

PowerOutputiK42.....................................................................................................................................................................46

PowerOutputiK81.....................................................................................................................................................................46

Powersupply..............................................................................................................................................................................46

Protectionsystems.....................................................................................................................................................................46

Powerdistributionprotectionsystems......................................................................................................................................46

Monitoringandlogging..............................................................................................................................................................46

Physical.......................................................................................................................................................................................47

Options.......................................................................................................................................................................................47



 



iK81/iK42 USERGUIDE

iK81/iK42UserGuideV1.0 4



…………

IMPORTANTSAFETYINSTRUCTIONS



1. Readtheseinstructions.

2. Keeptheseinstructions.

3. Heedallwarnings.

4. Followallinstructions.

5. Donotusethisapparatusnearwater.

6. Cleanonlywithdrycloth.

7. Donotblockanyventilationopenings.Installinaccordancewiththemanufacturer'sinstructions.

8. Donotinstallnearanyheatsourcessuchasrad

iators,heatregisters,stovesorotherapparatus(includingamplifiers)

thatproduceheat.

9. Donotdefeatthesafetypurpose ofthepolarizedorgroundingtype plug. A polarizedplughas twobladeswithone

widerthantheother.Agroundingtypeplughadtwobladesandathirdgroundin

gprong.Thewidebladeorthethird

prong are provided for your safety. If the provided plug does not fit into your outlet, consult an electrician for

replacementoftheobsoleteoutlet.

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

t

wheretheyexitfromtheapparatus.

11. Onlyuseattachments/accessoriesspecifiedbythemanufacturer.

12. Useonlywiththecart,tripod,bracketortablespecifiedbythemanufacturer,orsoldwiththeapparatus.Whenacart

isused,usecautionwhenmovingthecart/apparatuscombin

ationtoavoidinjuryfromtip‐over.

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

14. Referallservicingtoqualifiedservicepersonnel.Serviceisrequiredwhentheapparatushasbeendamagedinanyway,

such as power‐supply cable or plug damaged, liquid has bee

n spilled or objects have fallen into the apparatus, this

apparatushasbeenexposedtorainormoisture,doesnotoperatenormally,orhasbeendropped.

SAFETYWARNING

Donotremoveanycovers,loosenanyfixingsorallowitemstoenteranyaperture.

SAFETYWARNING

Therearoftheproductmaygethot.Avoi

ddirectskincontactduringoperationandforatleast5minutesafterpowerhasbeen

isolated.

SAFETYWARNING

Theproductmustonlybepositionedatfloorlevelwhenoperatedinahorizontalposition.



 



iK81/iK42 USERGUIDE

iK81/iK42UserGuideV1.0 5



…………

CONSIGNESDESÉCURITÉIMPORTANTES



1. Lisezcesinstructions.

2. Conservezcesinstructions.

3. Respecteztouslesavertissements.

4. Suiveztouteslesinstructions.

5. Nepasutilisercetappareilprèsdel'eau.

6. Nettoyeruniquementavecunchiffonsec.

7. Nepasbloquerlesouverturesdeventilation.Installerconformémentauxinstructionsdufabricant.

8. Ne pas installer près de sources de chaleur tel

lesque radiateurs, registres de chaleur, poêles ou autres appareils (y

comprislesamplificateurs)quiproduisentdelachaleur.

9. Nesupprimez pas ledispositif de sécuritéde lafiche polarisée oumise àlaterre.Une fiche polariséepossèdedeux

lamesdontl'uneestpluslargequel'autre.Uneprisedeterreaeudeuxlamesetunetroisièmebrochedeter

re.Lalame

large ou la troisième broche sont fournies pour votre sécurité. Si la fiche fournie ne rentre pas dans votre prise,

consultezunélectricienpourremplacerlapriseobsolète.

10. Protégerlecordond'alimentationsoitécraséoupincé,partic

ulièrementauniveaudesfiches,desprisesetlepointoù

ilssortentdel'appareil.

11. Utilisezuniquementlesaccessoiresspécifiésparlefabricant.

12. Utilisez uniquement le chariot, le trépied, le support ou la table spécifiés par le fabricant, ou vendu avec l'appareil.

Quand un chariot est utilisé, so

yez prudent lorsque vous déplacez l'ensemble chariot / appareil afin d'éviter toute

blessureencasdechute.

13. Débranchezcetappareilpendantlesoragesoulorsqu'iln'estpasutilisépendantdelonguespériodesdetemps.

14. Adressez‐vous à un personnel qualifié. Une réparation est requise lorsque l'appareil a été endomma

gé de quelque

façonquecesoitlecordond'alimentationoulaficheendommagé,duliquideaétérenverséoudesobjetssonttombés

dansl'appareil,cetappareilaétéexposéàlapluieouàl'humidité,nefonctionnepasnormalement,ous'ilesttombé.

15. Ledispositifnedoitpasêtreex

poséàdesgouttesoudeséclaboussuresetaucunobjetremplideliquides,telsquedes

vases,doitêtreplacésurl'appareil.

16. Déconnexionpermanentedel'alimentationsecteurdoitêtreatteintensupprimantleconnecteurducordonfournià

l'arrièredel'unité.Ceconnecteurdoitêtrefaci

lementutilisable.

AVERTISSEMENTDESEC URITE 

Neretirezpaslescouvercles,nedesserrezpaslesfixationsetnelaissezaucunepièces'introduiredanslesouvertures.

AVERTISSEMENTDESEC URITE 

Leradiateurarrièredecetappareildevientchaud.Eviteztoutcontactdirectaveclapeaupendantlefonctionnementetaumoins

5minutesaprèslamisehorstensiondel'appareil.

AVERTISSEMENTDESEC URITE 

Leproduitnedoitêtrepositionnéauniveaudusollorsqu'ilestutiliséenpositionhorizontale.



 



iK81/iK42 USERGUIDE

iK81/iK42UserGuideV1.0 6



…………

COMPLIANCE

FORCUSTOMERSINEUROPE

This product complies with both the LVD (electrical safety) 73/23/EEC and EMC (electromagnetic compatibility) 89/336/EEC

directivesissuesbythecommissionoftheEuropeancommunity.

CompliancewiththesedirectivesimpliesconformitywiththefollowingEuropeanstandards:

EN60065Productsafety

EN55103‐1EMCemissions

EN55103‐2EMCimmunity

Thisproductisintendedforthefoll

owingelectromagneticenvironments:E1,E2;E3&E4.

THISPRODUCTMUSTBEEARTHED.Useonlyaflexiblecableorcordwithagreenandyellowcorewhichmustbeconnectedto

theprotectiveearthingterminalofasuitablemainsplugortheearthingterminaloftheinstallation.Thecordmustbeamaxi

mum

of2mlong,havea2.5mm2CSA,a300/500VratingandcomplywithEN50525‐2‐11/H05W‐F.

THISPRODUCTISDESIGNEDFORPERMANENTINSTALLATION.Itmustbefittedintoa19”rackenclosureandnotoperatedunless

soinstalled.Therackenclosureshouldbeop

enatthefrontandbacktoallowfreeventilationandmovementofairthroughthe

product.

FORCUSTOMERSINTHEUSA

ThisproductcomplieswithUL600657thedition.

THISPRODUCTMUSTBEEARTHED.Useonlyaflexiblecableorcordwithagreenorgreen/yellowcorewhichmustbeconnected

to the protective earthing terminal of a suitable mains plug or the earthing terminal of the installation. The cord must be a

maxi

mumof6’long,be14AWG,havearatingSJ,SJT,SJEor300/500VH05W‐FandbemarkedVW‐1.

THISPRODUCTISDESIGNEDFORPERMANENTINSTALLATION.Itmustbefittedintoa19”rackenclosureandnotoperatedunless

soinstalled.Therackenclosureshouldbeop

enatthefrontandbacktoallowfreeventilationandmovementofairthroughthe

product.

DECLARATIONOFCONFORMITYWITHFCCRULES

We,MartinAudioLtd.ofCenturyPoint,HalifaxRoad,CressexBusinessPark,HighWycombe,HP123SL,England,declareunder

oursoleresponsibilitythatthisfamilyofdevices,com

plieswithPart15oftheFCCRules.Operationissubjecttothefollowing

twoconditions:(1)thisdevicemaynotcauseharmfulinterference,and(2)thisdevicemustacceptanyinterferencereceived,

includinginterferencethatmaycauseundesiredoperation.

FEDERALCOMMUNICATIONSCOMMISSIONNOTICE

Anexampleofthisequipmenthasbeentestedandfoundtocomplywit

hthelimitsforaClassBdigitaldevice,pursuanttoPart

15oftheFCCRules.Theselimitsaredesignedtoprovidereasonableprotectionagainstharmfulinterferenceinaresidentialand

commercialinstallation.

Thisequipmentgenerates,uses,andcanradiateradiofrequencyenergy,andifnotinstall

edandusedinaccordancewiththe

instructions,may causeharmful interferenceto radiocommunications.However,thereisno guaranteethat interferencewill

notoccurinaparticularinstallation.Ifthisequipmentdoescauseharmfulinterferencetoradioortelevisionreception,which

canbedeterminedbyturningtheequipmentoffandon,theuserisencouragedtotryandcorrecttheinterferencebyoneor

moreofthef

ollowingmeasures:

 Reorientorrelocatethereceivingantenna.

 Increasethedistancebetweentheequipmentandthereceiver.

 Connecttheequipmenttoanoutletonacircuitdifferentfromthattowhichthereceiverisconnected.

 Consu

ltthedealeroranexperiencedradio/TVtechnicianforhelp.

FCCCaution:Anychangesormodificationsnotexpresslyapprovedbythepartyresponsibleforcompliancecouldvoidtheuser’s

authoritytooperatethisequipment.



 



iK81/iK42 USERGUIDE

iK81/iK42UserGuideV1.0 7



…………

FORCUSTOMERSINCANADA

ThisproductcomplieswithCA/CSAC22.2No.60065‐03

CeproduitestconformeavecCA/CSAC22.2No.60065‐03

THISPRODUCTMUSTBEEARTHED.Useonlyaflexiblecableorcordwithagreenorgreen/yellowcorewhichmustbeconnected

to the protective earthing terminal of a suitable mains plu

g or the earthing terminal of the installation. The cord must be a

maximumof6’long,be14AWG,havearatingSJ,SJT,SJEor300/500VH05W‐FandbemarkedVW‐1.

CEPRODUITDOITÊTREMISÀLATERRE.Utilisezuniquementuncâblesoupleavecunnoyauvertouvert/jaunequido

itêtre

reliéàlabornedeterredeconnecteurd'alimentationoulabornedeterredel'installation.Lecordondoitêtreunmaximumde

6'(2m)delong,14AWG(2.5mm2CSA),êtreclasséSJ,SJT,SJEou300/500VH05W‐FetêtremarquéeVW‐1

THISPRODUCTISDESIGNEDFO

RPERMANENTINSTALLATION.Itmustbefittedintoa19”rackenclosureandnotoperatedunless

soinstalled.Therackenclosureshouldbeopenatthefrontandbacktoallowfreeventilationandmovementofairthroughthe

product.

CEPRODUITESTCONÇUPOURUNEINSTALLATIONPERMANE

NTE.Ildoitêtreinstallédansunboîtierrack19".Lerackdevrait

êtreouvertàl'avantetl'arrièrepourpermettrelaventilationetlemouvementd'airlibreàtraversleproduit.

DECLARATIONOFCONFORMITYWITHCANADIANICES‐003

ThisClassBdigitalapparatuscomplieswithCanadianICES‐0

03.

CetappareilnumériquedelaclasseBestconformeàlanormeNMB‐003duCanada.

ThanksandUnpacking

Thankyoufor choosinga Martin Audio iK42/iK81 Series AdvancedSystem Amplifier foryour application.Please sparea little

timetostudythecontentsofthismanual,sothatyouobtainthebestpossibleperformancefromthisunit.

AllMartinAudioproductsarecarefullyengineeredforworld‐classperformanceandreliability.

Ifyo

uwouldlikefurtherinformationaboutthisoranyotherMartinAudioproduct,pleasecontactus.Welookforwardtohelping

youinthenearfuture.

UnpackingtheMartinAudioiK42/iK81SeriesAmplifier

Afterunpackingtheunitpleasecheckcarefullyfordamage.Ifdamageisfound,pleasenotifythecarrierconcernedatonce.You,

theconsignee,mustinstigateanyclaim.Pleaseretainallpackagingincaseoffuturere‐shipment.



 



iK81/iK42 USERGUIDE

iK81/iK42UserGuideV1.0 8



…………

INSTALLATIONINSTRUCTIONS

MechanicalInstallation



TheiK42/iK81SeriesAmplifiersystemisdesignedtobemountedinastandard19”rackenclosure.

Wheretheamplifierisusedinafixedinstallation,aslongasthebottomunitissupportedandtherearenogapsbetweenunits,

itisacceptabletouseonlythefrontpanel19”rackholeswhenfittin

gitinastandardrackenclosure.Iftheamplifierismounted

inamobilerackitisimportantthattherearissupportedwitharearrackmountingkit(partnumberIKRACK).Damagecaused

byinsufficientsupportisnotcoveredbythewarranty.

Topreventdamagetoth

efrontpanelitisrecommendedthatplasticcupsorwashersarefittedunderneaththerackmounting

boltheads.

It is possible to mount multiple iK42/iK81 Series amplifiers without ventilation gaps between them but it is essential that an

unobstructedflowofcleanairisavailablefromthefrontoftheunittotherear

.Itisimportantthatneithertheairintakesonthe

frontoftheunitortheexhaustventsatthereararecovered.Stepsmustbetakentoensurethathotairdoesnotcontinually

circulatethroughtheamplifiersfromthebackoftheracktothefront.

Theamplifiersh

ouldneverbeexposedtorainormoistureduringoperationorstorage.Iftheunitdoescomeintocontactwith

moisture,removetheACpowercableimmediatelyandleaveitinadryandwarmlocationtodryout.

Notethatwhenanyequipmentistakenfro

macoldlocationintoahothumidone,condensationmayoccurinsidethedevice.

AlwaysallowtimefortheequipmenttoattainthesametemperatureasitssurroundingenvironmentbeforeconnectingtheAC

powercable.

IMPORTANT



 



iK81/iK42 USERGUIDE

iK81/iK42UserGuideV1.0 9



…………

Itistheresponsibilityoftheusertoensurethatdirt,liquidsandvapourfromtheatricalsmokeandfogmachinesisnotingested

bytheamplifier.Damagesocausedisnotcoveredbythemanufacturer’swarranty.

ACPowerConnection

Theamplifierutilisesa32ANeutrikPowerCon™typelockingACpowerconnector.UseonlyanACpowercablewithacorrectly

terminatedPowerCon™typeconnectortomaketheconnectiontothemainspowersupply.

Theamplifiersaredesignedtooperateon50/60HzACpower.Thepowersupplysectionsautomaticallyconfiguret

hemselves

foreither115Vor230Vnominalvoltageatturnon.Theamplifierswilloperateoveranextendedrangeofsupplyvoltages(please

refertothetechnicalspecifications).

Notethatwhilsttheamplifierwilloperatecorrectlyatvoltagesindicated,thespecifiedoutputpowerwillonlybeachievedwhen

operatingwiththestatednominalvol

tages.



 



iK81/iK42 USERGUIDE

iK81/iK42UserGuideV1.0 10



…………

TheUserGuide

ThisusermanualgivesaprogressivelymoredetaileddescriptionofthefunctionsoftheMartinAudioiK42/iK81SeriesAdvanced

System Amplifiers. A single page quick reference guide is provided for those users who are experienced with this type of

equipmentandjustneedtoknowhowto‘drive’thefrontpanel.Adetailede

xplanationofthefrontandrearpanelcontrolsand

indicatorsiscontainedinthenextsection.

Thefinalsectiondescribeseachindividualfunctionorfeaturewithannotatedimagesexplainingitsuse.Whereappropriate,the

graphicaldisplayisshowntofurtherelaborateontheunitsoperation.

Tocompletethemanualareferencesectionisincluded

,describingthetechnicalperformanceofthedevicecompletewithgraphs

offilterresponses.



 



iK81/iK42 USERGUIDE

iK81/iK42UserGuideV1.0 11



…………

IntroductionandKeyFeatures

Introduc tion

TheMartinAudioiK42/iK81SeriesAdvancedSystemAmplifierrepresentscurrentstate‐of‐the‐arttechnologyinseveralareas.

Thisproductistheresultofseveralyearsofresearch,fromwhichmanyadvancesinswitchedmodepowertechnologiesandever

finer detail in signal processing have stemmed. Taking advantage of the latest advances in analogue to digital con

version

technologies,theunitachievesperformancelevelsamongtheverybestthatengineeringpermits.

Belowisalistofkeyfeatures,followedbysomeinformationonthemajoradvancedfeaturesoftheproduct.

KeyFeatures

 Four/EightchannelsofsonicallypureClassDamplification

 Veryhighpowerdensity‐packsfourchannelsand20kWoreightchannelsand10kWintojust2Uofrackspace

 Packedwithrobustprotectionandmonitoringsystemstokeeptheshowgoing

 ExternalBreakerProtection(EBP)limitsthecurrentdrawtopreventbreakersopenin

g

 MartinAudiominimalsignalpathdesign

 ClassleadingsonicperformanceachievedbytheuseofstateoftheartAmplifiertechnologiesandhighlyadvancedDSP

algorithmsusingLineaMicroDetail(LMD)

 96kHzsamplingfrequencyprovidesforanominallyflatresponsebeyond40kHz.

 Rotaryencoders,illu

minatedbuttonsandgraphicaldisplayprovidearapid,intuitiveanduser‐friendlycontrolinterface

 High speed Ethernet communications supporting DHCP, static‐IP and auto‐IP and direct connection to a computer

withouttheneedforarouteroraswitch

 PowerfulDriveModuleconcept,abstractionfromdevicecentrictospeakerbasedcontrol

 Innovati

veComponentPresetstoallowindividualoutputstobeusedforselecteddriversofaloudspeakersystem

 TwelvelayersofParameterOverlaysfortrouble‐freeGrouping

 UniqueVXlimiterprovidingdynamiccontrolforpassive2‐wayenclosures

 UniqueLIRlinearphasecrossovershapesgiv

ingFIR‐likeperformancewithoutthedrawbacks

 LinearphaseHFsystemEQprofilingwhichprovidesperfectintegrationbetweenenclosures

 InnovativeexcursioncontrollimiterwithslidingHighPassFilter;limitsonlythedamaginglowfrequencies

 Transducerthermalmodellingprovidesregulationlimiters,addressinglongtermoverload

 Overshootlim

itergovernsamplitudeoftransientsignalsretainingaveragepowerwhilstconstrainingpeakenergy

 Danteaudionetworkingwithautomaticfall‐overtoAnalogueorAES3

 AES3inputs

DriveModules

TheiK42/iK81Seriesprocessorhasanewwayoforderingandgroupingchannelsinordertogiveamorespeaker‐basedapproach

tocontrolling,designingandrecallingspeakerconfigurations;thesearecalledDriveModules.ADriveModuleistheProcessing

provided by one Input DSP Block, and a number of Output DSP Blocks, which are associated with one‐another by means of

routin

g.Forexample,ifInputDSPBlockBisroutedtoOutputs3and4,thenthisisa2‐wayDriveModulewithInputDSPBlockB

forming the ‘Master’ control, and Output DSP Blocks 3 and 4 providing th

e driver‐related control. Overall, this forms the

processingtypicallyforoneloudspeakersub‐system.TheVu‐NetDriveModulecontrolpanelforthissub‐systemmaythenbe

usedforcontrolandmonitoringoftheassociatedspeaker.

DriveModulesmaybeincludedinModuleGroups,whichusetheParameterOverlayfeatu

reintheDevicetoachievetrouble‐

freeGroupingintheVu‐Netapplication.

ThePresetsintheDeviceareDrive‐Modulecentric,andareusedtoconfigureindividualDriveModulesratherthanthewhole

device.

Importantly,DriveModulesmovethefocusawayfromtheprocessingdevice,andontotheloudspeakersystems.

ADri

veModulePresetmaybebrokenapartintoComponents,allowinganyoutputtobeusedforanycomponentwithinaDrive

ModulePreset(i.e.anydriverinaloudspeakersubsystem).

SeeOverviewofModules

Overlays



 



iK81/iK42 USERGUIDE

iK81/iK42UserGuideV1.0 12



…………

WhentheDeviceisusedinModulesviewinVu‐Net,thisallowsthemodulestobegroupedintoOverlayGroups.Thesegroups

allowvariousInput(master)parameterstobeadjustedinallmodulesinthatgroup,whistmaintainingindependentparameter

valuesacrosseachgroup.Thisisachievedinthedevicebyco

mbiningtheparametersforallthelayersforagivensection(Gain

Delay,EQetc.).WhenanOverlayparameterisactive,theOverlayindicatorwillbecomeilluminated.ThecombinedGainorDelay

etc.associatedwithagivensectionisshownonthemodulepanelinVu‐Net,withinsquarebrackets[]unde

rtheDelayandGain

for each input channel.Thecombined EQ curve is shown inan olive colour.The Input Mute button in Vu‐Net will flashif an

overlaymuteisactive.Onthedevice,thepresenceofanactiveoverlayisgenerallyindicatedbysquarebrackets“[]”afterthe

parametervalu

eonthedisplay.Aninputoverlaymuteisindicatedonthemute/clipindicatorforthatchannelflashing.Notethat

overlayparameterscannotbeadjustedontheDeviceitself;thesecanonlybecontrolledbytheVu‐Netapplication.However,

overlayparametersmayberemovedonthedevice–se

eOverlayFlush.Notethatoverlaysarenotstoredinpresetsorsnapshots

orcarriedinsettingsfiles.

LIRLinearPhaseCrossoverFilteringTheDevicealsoincludesanewtypeofcrossoverfiltering“LinearImpulseResponse”(LIR)

crossoverfiltering,whichresultsinaLinearPhasecrossoverthathasaconstantdelayregardlessoffrequency(unlikeothertypes

ofcrossoverwhichdelaydifferentfrequenciestoadifferentex

tent,thussmearingthearrivaltime).TheLIRcrossovercanthus

bedescribedashavingaflatGroupDelayresponse,andthusentirelyfreeofGroupDelayDistortion.

TheshapeoftheLIRcrossove

rfilterisquitesimilartoa4thorderor24dB/OctLinkwitz‐Rileyfilter,andmaintains zerophase

differencebetweentheadjacentbandsacrossthecrossoverregiontokeepthepolarresponserocksteady.

FIRLinearPhaseEqualisation

The Input High‐Shelf Equalisers use Finite Impulse Response (FIR) filtering to produce Linear Phase equalisation; that is all

frequencies are delayed by the same amount, perfectly preserving the transient response. This can also be important in

applicationswheredifferentamountsofEQareappliedtodifferentpartsofaspeakercluster,suchastoadd'Throw'EQboos

t

sothatpartsofclusterwhicharethrowingfurthercanhaveHFabsorptioncorrectionadded.IfthisEQisnotlinearphase,then

thezoneswherethespeakerscombinemaysufferfrequencyresponseanomalies.



 



iK81/iK42 USERGUIDE

iK81/iK42UserGuideV1.0 13



…………

AudioConnections

InputConnections

ForeachinputchannelthereisafemaleXLRconnectorforanalogueinputs.ThereisalsoonefemaleXLRforonestream(two

channels)ofAES3digitalaudio.NotethatonlytwochannelsofAES3digitalaudioareavailable.TheDanteoptionpermitsmore

channelsofDigitalAudioinputs.

TheHOT,+or‘inphase’conne

ctionshouldbemadetopin2oftheXLRconnector.

TheCOLD,‐or‘outofphase’connectionshouldbemadetopin3oftheXLRconnector.

Pin1oftheXLRconnectorsisinternallyconnectedtothechassis.Theshieldoftheinputcableshouldalwa

ysbeconnectedPin

1oftheXLRtoensurethatEMCperformanceandregulationsaremet.

3

Usingunbalancedconnections 

Please note that the use of unbalanced connections is not recommended, however when connecting the amplifier to an

unbalancedaudiosource,thesignalconductorshouldbeconnectedtoXLRpin2.The‘Cold’conductororcablescreenshouldbe

connectedtoXLRpin1withashortconnectionmadebetweenpin1andpin3.



AmplifierOutputConnections

TheiK42 amplifier is fitted with oneSpeakon™ connector peramplifier channel. The appropriate conductor terminations are

shownbelowandontherearpaneloftheunit.



 



iK81/iK42 USERGUIDE

iK81/iK42UserGuideV1.0 14



…………

Amplifieroutputconnections–iK42

2‐

Additionally,thechannel2outputisduplicatedontheSpeakon™connectorforamplifierchannel1forBi‐Ampwiring.Similarly,

thechannel4outputisduplicatedontheSpeakon™connectorforamplifierchannel3.Thiscanbeusefulformakingaconnection

totwoloudspeakerswithone4‐corecable(i.

e.Bi‐Amp).

OntheiK81model,alloutputsareBi‐Amp;eachSpeakon™connectorcarriestwoamplifieroutputs–Channels1&2,Channels

3&4,Channels5&6andChannels7&8.

Amplifieroutputconnections–iK81andBiAmp



Inaddition,thechannel1orchannel3connector(alltheSpe

akon™connectorsontheiK81model)canalsobeusedifthepair

ofamplifierchannelsisbeingoperatedinbridgedmode.

Amplifieroutputconnections–Bridge



Morethanonespeakercanbeconnectedtoeachchannelprovidedthetotalimpedanceperchannelisnotlessthan2oh

ms.In

bridgedmodetheminimumtotalimpedanceshouldnotbelessthan4ohms.



 



iK81/iK42 USERGUIDE

iK81/iK42UserGuideV1.0 15



…………

LoadMatching

Eachoutputofthedevicecanbeoptimisedtodriveeithera lowimpedanceload(e.g.2,4or8Ohms),oraConstantVoltage

(C.V.)usingtheLoadparameterintheOutputmenu.ThereareseveralC.V.settings(25V,70Vand100VLine)whichdetermine

themaximumRMSvoltagethattheamplifierw

illproduce.Selecttheonewhichisappropriatefortheinstallation.Anumberof

low impedance settings (depending on the model) are also available. Although it is not critical that this setting matches the

impedanceoftheconnectedload,thiswillmaximisethepowerthatisavailablefortheloa

d.





 



iK81/iK42 USERGUIDE

iK81/iK42UserGuideV1.0 16



…………

PanelLayouts

(The iK42 is illustrated. The iK81 is similar, but with double the quantity of

outputindicatorsandmutebuttons)

1.PowerSwitch‐Appliesmainspowertothedevice.Ifthedevicehasentered

Sleepmode,itmaybewokenupagaineitherfromtheVu‐Netapplication,or

byswitchingthisswitchoff

,thenonagain.

2. Graphical Display‐ This will show the Home screen; a useful overview of

channel allocation. On most pages the currently selected channel and

parameterinformation is displayedon the upper part of the screen and the

parametervalueonthelowerpartofthescreen.Thescreencontrastcanbe

changedbypre

ssingthe<UTILITY> buttontonavigate to“Screen”andusing

the encoders to change the percentage; this can also optimise the viewing

angle.

3. Status Indicators‐ The “OVERLAY” indicator shows when there are

parametersactiveonagrouplayer,whichtheusercannotaccessthroughth

e

front panel of the device (see Overlay Flush). The “DANTE” indicator shows

thataDantenetworkfeedisrouted.The“ONLINE”indicatorhasthreestates:

Off–theunitisofflineandnotconnectedtoacomputerornetwork.Flashing‐

theunitissearchingforanIPaddress;iftheunitdoesnotfi

ndanIPaddress

theunitwillassignitselfanIPaddressautomaticallyandtheindicatorwillstop

flashing.On‐theunitisonlineandconnectedwithsoftware.IPsettingscanbe

viewed or changed within the <UTILITY> pages. The “AES3 IN” indicator

illuminateswhenoneormo

reoftheinputsisusinganAES3source.

4.ParameterEncoders‐Twovelocitysensitiveparameterencodersareusedto

adjustparametersshownonthedisplay.Uptothreeparametersatatimeare

displayedonthescreen.Theparameternameisshownabovetheparameter

value in each of the three s

creen sections. Use SELECT to highlight the

parameter,thenADJUSTtochangeit.

5.Page SelectionButtons‐When oneof thebuttons <INPUT>,<OUTPUT> or

<UTILITY>isilluminated,theup<>anddown<>arrowswillalsoilluminate,

informing the user that these buttons may be used to sc

roll through the

various pages of parameters that may be viewed and edited. The <ENTER>

buttonisusedtoconfirmanoperationsuchasstoringorrecallingapresetor

snapshot.Itwillilluminatewhentheuserisbeinginvitedtopressit.Itwillflash

when warning the user that p

ressing this button will activate an important

function.

6.MenuButtons‐Therearethreebuttonstodeterminewhichsectionofthe

device to view or edit. The <OUTPUT> button displays pages of parameters

associated with a particular output channel. The <INPUT> button displays

pages of parameters associated with a particular input soc

ket or input DSP

channel.Pressing<INPUT>or<OUTPUT>buttonsrepeatedlywillscrollthrough

theinputs/outputsofthedevice.Afterthelastchannel,navigationreturnsto

the Home screen. The <UTILITY> button displays pages of miscellaneous

parameters not associated with any particular channel. Whilst in Edit mode,

oneofthesethreebuttonswillbeilluminated.Theyaremutuallyex

clusive–

pressingoneofthebuttonswilldeselectanyothersthatareactive.Pressing

UtilitywillescapebacktotheHomescreen.

7. Input Signal Indicators‐ A set of five indicators show “Sig”, “‐12”, “0dBu”,

“+6”and“+12”and“Clip(m

ute)”foreachoftheDSPinputs“A”“B”“C”“D”.





 



iK81/iK42 USERGUIDE

iK81/iK42UserGuideV1.0 17



…………

ThesignalpresentIndicatorsoperateatapproximately–40dBu.TheClip/muteIndicatorswarntheuserofinputoverloadand

operateat1dBbeforeclip.Thisindicatoralsoshowsamutedinput

8.MuteButtons‐DSPoutputmutestatusisindicatedandcontrolledbyanilluminatedbuttonforeachchannel.Theseflashwhen

theentireunitismutedfr

omtheAUXportorfromVu‐NetMute‐All,orifthischannelhasbeenmutedbytheprotectionsystems.

9.BridgeIndicator‐ThiswillilluminatewhenthechannelpairisinBridgemode.Thecontrolsfortheleftchannelofthepairwill

determinethesettings.SeeBridgeMode

10.Am

plifierIndicator‐ Thisindicateswhentheamplifierprotectionsystemsarereducingthegain tokeeptheparameters of

theamplifierwithinspecification,orwhenthatthechannelisclipping.

11.DriverIndicator‐Thisindicatesasignal6dBhigherthanthelimiterthreshold,orwhenthethresholdoftheex

cursionlimiter

hasbeenexceeded,orwhenthethermallimiterisactive.Pleasenotethatbecauseofthelongreleasetimeofthethermallimiter,

thisindicatormayremainilluminatedforseveralsecondsaftersignalonthatchannelisreduced.

12.LimiterIndicators‐Theoutputindicatorsshowsthestatusofthelimiterandoutputlev

el.Thelevelindicatedisthatbefore

thelimiter,referencedtothelimiterthreshold.The<SIG>indicatorshowswhenasignalispresentontheoutput.Thesecond

indicator<‐6dB>showsthatthesignalhasreached6dBbelowthelimiterthreshold.Thethird<LIMIT>ind

icatorindicatesthat

thethresholdofthatoutputchannelhasbeenreached.



 



iK81/iK42 USERGUIDE

iK81/iK42UserGuideV1.0 18



…………

1. Loudspeaker Connectors (iK81). The amplifier Speakon™ outputs. Connect the

firstloudspeakertothe1+and1‐terminalsandthesecondloudspeakertothe2+

and2‐terminals.ForBridgedmode,useterminals1+and2+.

2. Loudspeaker Connectors (iK42). The amplifier Speakon™ outputs. Connect the

loudspeaker to the 1+ and 1‐ terminals. CH1 also carries the (duplicated)

loudspeakerou

tputforchannel2onterminals2+and2‐.Similarly,CH3carriesthe

loudspeaker output for channel 4 on terminals 2+ and 2‐. For Bridged mode, use

terminals1+and2+ofeitherCH1orCH3.

3. Analogue Audio Link Connectors‐ Carries a duplicate (parallel) connection (to

anotheramplifierforex

ample).

4.Analogue AudioInput Connectors‐All audioconnections are fullybalanced and

wired:pin‐1toground(asrequiredbytheAES48standard),pin‐2hot&pin‐3cold.

5.AES3AudioInputConnectors‐ForinputtingDigitalAudiosignals.TheInputisfully

balancedandwi

red:pin‐1toground,pin‐2data+&pin‐3data.TheLinkconnector

allowsabufferedAES3signaltobepassedontoanotherdevice.

6.DantePorts‐ConnectionportsforDante™withthePrimaryandSecondaryport

conventionavailable.

7. Ethernet Communications Port‐ Th

e amplifier may be controlled entirely using

Martinaudio'sVu‐Netsoftwareandsocanintegrateeasilywithotherproductsthat

aresupportedonthesameplatformsuchastheMulticellularrange,CDD‐Live,DD12

and PSX. Connection will normally be made via this Ethernet port connector. This

portisalsouse

dforupdatingthefirmwareintheunit.

8.AuxiliaryPort‐Theauxiliaryportmaybeconfiguredtorecallsnapshotsorapply

muting.

9.PowerInlet‐Theunitshouldbeconnectedtoasuitablemainselectricitysupply

usinganearthed32ampPowerConconnectionpowerlead.Thedevicehasaswitch

mode power s

upply that is capable of operating with a nominal mains voltage of

100Vto230V,50/60Hzwithoutre‐configuration.

NOTE:Thedevicemust be earthed toa suitablepowerearth;failure todo somay

affect performance and/or operation and will invalidate warranty and could be

pote

ntiallyhazardous.

10. Relay output‐ This isolated relay output may be used to indicate abnormal

conditionstoexternalmonitoringapparatus.SeeFaultRelay



 



iK81/iK42 USERGUIDE

iK81/iK42UserGuideV1.0 19



…………

Quickstart



The iK81 and iK42 are not only powerful amplifiers but have extremely comprehensive processing ability allowing complex

systemstobedesignedtosuitanyapplicationformanyapplicationshowever,allyouneedtodoisrecalltheappropriatePreset,

connectyourspeakersandsourceandawayyougo.Thissectionshowsyouhowtoachievethequickest,moststrai

ghtforward

setupusinganiK42.

LoadingXE500(orXE300 Bi‐am p)Presets

1. Connecttheamplifier.TheiK42requiresmainsconnectedtoits32AmpPowerConinlet,aninputfeed,eitherbalanced

analoguetotheinputXLRs,AES3tothededicatedAESXLR,orDantetotheDanteRJ45port.XE500andanyoftheother

monitorsruninbi‐ampmodecanbeconnecte

ddirectlytooutputSpeakon1and3asthesealsohavechannels2and

4respectivelyconnectedtopins2+/‐specificallyforbi‐ampoperations.Seethechaptersonmains,inputandoutput

connectionsformoredetails.



2. Poweruptheamplifier,onceithascompleteditspower‐upcyclepress"Input"andpressthedownarrowoncetoshow

thePresetrecallforChannelA‐



3. UsetheAdjustcontroltoscrollroundtothere

quiredXE500Preset;‐



4. Press"Enter"youwillseethefollowingmessage;‐



5. TheEnterbuttonwillbeflashing,pressitandyouwillseethefollowing;‐



6. InputAwillnowfeedoutput1withtheXE5

00LFParametersandoutput3withXE500HFparameters.Press"Input"

again;‐

Martin Audio iK42, iK81 User Guides

Related papers

Other documents