Martin Audio THV User Guides

User Guide

TH Series

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THSeries USERGUIDE

THSeriesUserGuideV1.0 1

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Content

Introduction......................................................................................................................................................................................3

Unpacking.........................................................................................................................................................................................3

THSeriesoverview...........................................................................................................................................................................4

THSeries3‐wayhorn‐loaded,fullrangesystems.........................................................................................................................5

THV...............................................................................................................................................................................................5

THH...............................................................................................................................................................................................6

Accessories.......................................................................................................................................................................................7

EyeBolts.......................................................................................................................................................................................7

Safetyfirst......................................................................................................................................................................................... 8

Stacking.........................................................................................................................................................................................8

Riggingandsuspension................................................................................................................................................................8

Amplification....................................................................................................................................................................................9

Choosingapoweramplifier..........................................................................................................................................................9

GainSettings.................................................................................................................................................................................9

RecommendedAmplifiers............................................................................................................................................................9

Connections....................................................................................................................................................................................10

Cablelengths..................................................................................................................................................................................10

Recommendedcontrollers.............................................................................................................................................................10

DX0.5..........................................................................................................................................................................................10

DX1.5..........................................................................................................................................................................................11

DX2.............................................................................................................................................................................................11

SystemParameters.........................................................................................................................................................................12

DX0.5,1.5orDX2........................................................................................................................................................................12

iK42(ParametersenteredviaVu‐Net)*...................................................................................................................................... 12

iK42(ProgrammedfromtheFrontPanel)..................................................................................................................................12

WiringDiagrams.............................................................................................................................................................................13

SystemA‐basicset‐upbi‐ampingTHVorTHH...........................................................................................................................13

SystemBbasicbi‐ampsystemusingIKONiK42.........................................................................................................................14

SystemC‐IntroducingSubs........................................................................................................................................................15

SystemD‐UsinganIKONiK42andSXH218................................................................................................................................16

EyeBoltMounting.......................................................................................................................................................................... 17

Specifications..................................................................................................................................................................................18

Notes......................................................................................................................................................................................18

TechnicalDrawings.........................................................................................................................................................................19

Warranty.........................................................................................................................................................................................21

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THSeries USERGUIDE

THSeriesUserGuideV1.0 3

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Introduction

ThankyouforpurchasingaMartinAudioTHSeriessystem.TheTHSeriesisarangeofportableloudspeakerenclosuresdesigned

foravarietyofportablesoundreinforcementandclubapplications.

THproductscoveredinthisuser’sguideincludetheTHVandTHHhorn‐loadedsystems

THSeriessystemsare

designedtorunbi‐ampedandshouldbeusedwithaloudspeakerprocessors suchastheMartinAudio

DX0.5,DX1.5orDX2oranamplifierwithintegralDSPsuchastheiK42

Unpacking

EachMartinAudioTH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ifanysuchdamageis

found.Itissuggestedthatyouretaintheoriginal

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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THSeriesoverview

TheTHSeriesismadeupoftw omodels,bothare3‐wayall‐hornfull‐rangesystemswithidenticalacousticproperties;‐

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Verticallyformatted15”+10”+ 1”bi‐amplified

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Horizontallyformatted15”+10”+1”bi‐amplified

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THSeries3‐wayhorn‐loaded,fullrangesystems

THV

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TheTHVisveryhighperformance,verticallyformatted,all‐horn,three‐waysystemsinasingle,wide‐bandwidthpackage.

TheTHVisbi‐amplified.Newdrivershavebeendevelopedforimprovedperformanceinallbands.

TheHybrid™lowfrequencysectioncomprisesahorn‐loaded15”(380mm)/4”(100mm)voicecoildriver

thatisreflexloadedto

extendtheLFoutputtobelowthenaturalcut‐offpointofthehorn.ThenewLFdriverfeaturesawaterresistantconeandtriple

rollsurroundforincreasedexcursion.

TheTHVmidhornhasaunique‘phase‐ball’loadingdevicewhichmaintainstheconstantdirectivity

characteristicsofthehornat

theupperendofitsrange.Itisdrivenbyanew10”(250mm)midrangedriverwithanaluminiumdemodulatingringforimproved

high‐midclarityandreduceddistortionwhendrivenhard.The70°x40°THVHFsectionfeaturesaneodymium1”(25mm)exit

compressiondriverwithaKaptondiaphragmforhighsensitivityandextendedHFperformance.

The internal mid/high passive crossover allows this three‐way system to bedriven ina bi‐amp configuration. The THVis bi‐

amplifiedandmustbeusedwithasystemcontroller.MartinAudioDX0.5,DX1.5,DX2oriK42

maybeconfiguredtoprovidethe

recommended2‐way crossover and limiterfunctions. MartinAudioDX0.5, DX1.5orDX2 mayalsobeused to configureTHV

systemswithadditionalsub‐basscabinets–e.g.THV+SX218combinations.

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THSeries USERGUIDE

THSeriesUserGuideV1.0 6

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THH

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TheTHHis a very highperformance,all‐horn,three‐way systemin a single,wide‐bandwidth  package.The THH offersall the 

attributesofthestandardTHVbutishorizontallyformattedmakingitsuitab leforvenueswithrestrictedceilings height.

TheTHHisbi‐amplifiedandmustbeused

withasystemcontroller.MartinAudioDX0.5,DX1.5orDX2systemcontrollers,oriK42

amplifiersmaybeconfiguredtoprovidetherecommended2‐waycrossoverandlimiterfunctions.

MartinAudioDX0.5,DX1.5orDX2mayalsobeusedtoconfigureTHVsystemswithadditionalsub‐basscabinets–e.g.THHwith

SX218.

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Accessories

EyeBolts

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THSeriesspeakershavethreadedinsertsavailable forflown applications infixedinstallations. Allcabinets havetwelveM10

inserts.TheinsertscanbeusedforfittingbespokeflyinghardwareorforflyingusingEyeBolts.Thesemustbeforgedsteelor

machinedshoulderedtypescertifiedwithasafeworkingload

inexcessofthecabinetweight.DoNOTbetemptedtousecheap

formedsteeltypescommonlyavailablefrom DIYstores as they areunsafefor flyin g heavyspeakercabinets.Correctly rated 

shoulderedeyeboltsareavailablefromMartinAudioasanoptionalaccessory,partnumberisasfollows;‐

M10(THV,

THH) HTK00004

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THSeriesUserGuideV1.0 8

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

drivenathighlevel.

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stack.

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.

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

 of the threaded inserts

provided.Enc losures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commerciallyavailableeyeboltsforsuspensionshouldonlybeundertakenwithgreat

caution.

 Onlyforgedormachined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resul tinananglepullanditisimportanttouse

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

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THSeries USERGUIDE

THSeriesUserGuideV1.0 9

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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THSeriesspeakershaveapeakpowerratingfourtimesthelong‐termAESrating.Ideallyyou

should

useanamplifierthatcandeliverthefullpeakratingwithoutriskofclipping.Thishowevermaybebeyondthebudgetformany

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

This should be acceptable for many applications but

 be aware of the limitations particularly if the system is used with

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freq uenciesallbeing

deliveredatthe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majority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you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

that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obtainthemaximum

power

fromtheamp.Thiswillmakethelimiterinthe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,DX1.5,DX2orhighqualityloudspeakerprocessor

 UsethepublishedParametersfortheTH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

THVLF 750W 3,000W 6,000W 3,000W 3,000W 1,500W iK42

THVHF 300W 1,200W 2,400W 1,200W 1,200W 600W iK81,MA5.2K,MA3.0

THVLF 750W 3,000W 6,000W 3,000W 3,000W 1,500W iK42

THVHF 300W 1,200W 2,400W 1,200W 1,200W 600W iK81,MA5.2K,MA3.0



 



THSeries USERGUIDE

THSeriesUserGuideV1.0 10



…………

Connections

EachconnectorpanelhastwoNeutrikSpeakonconnectorswiredinparallelwitheachother. Thesecondconnectorallowsuse 

ofashortlinkleadtopoweranother,parallelTHloudspeaker.Theconnectorsarewiredasfollows:



Cablelengths

WhenconnectingBlackline+systemstoanamplifier,itisrecommendedthatthereturnresistanceofthecableusedislessthan

onetenthofthenominalimpedance ofthesystemorsystemsinparallel.Thetablebelowgivesanindicationofthemaximum

permissiblecablerunsforvariousconductorcross‐sectional

areas.

ConductorCSA MaximumCableRun

4ohms 8ohms 16ohms

1.0mm² 11m 22m 44m

1.5mm² 17m 34m 68m

2.0mm² 22m 44m 88m

2.5mm² 29m 58m 116m

4.0mm² 44m 88m 176m

6.0mm² 66m 132m 264m



Recommendedcontrollers

Controllersmustbeusedwiththebi‐amplifiedTHVandTHH.Controllersmustalsobeusedwhenaddingasubwoofersuchas

anSX218toasystemasthisveryhighpowersubwooferdoesnotincludeapassivelow‐passnetwork.

DX0.5



TheDX0.5isapowerful2in‐6outDSPbasedaudioprocessingunitforliveapplicationsandfixedinstallations.

Theunitisconfigurablein5basicmodes(2xstereo+sub,3xstereo,2x2‐way+sub,2x3‐wayand1x6‐way).Each

inputhas

adjustablegainanddelay.Eachoutputconsistsofahighandlowpassfilter,5bandsofparametricequalisation,limiter,delay

(adjustable in 2.6μs  steps), gain and polaritycontrols. AUSB Port allows connection toa PCfor desk‐top control usingthe

dedicatedDX0.5controlapplicationavailable

freeofchargefromwww.martin‐audio.com.

PleaserefertotheDX0.5userguideforfurtherinformation.



 



THSeries USERGUIDE

THSeriesUserGuideV1.0 11



…………

DX1.5



TheDX1.5isa2input6outputdigitalloudspe akermanagementsystemforuseinbothliveapplications andfixedinstallations.

Basedonaprocessingplatformrunningat96kHztheDX1.5offersunrivalledperformanceandflexibility.

TheDX1.5hasstandardroutingmatrixconfigurations,suchas2x3‐way,as

wellasflexibleroutingallowinganyoutputtobefed

fromanyinputorsumofinputs.Eachoutputconsistsofahighandlowfilter,9bandsofparametricequalisation,limiterdelay

(adjustablein0.3µssteps),gainandpolarity.APCBinaryloaderapplicationallowsloadingofMartinAudiopresets

in.binformat

viatheRS232port

PleaserefertotheDX1.5userguideforfurtherinformation.

DX2



The DX2embraces the very latest advances in technology to meet the everincreasing demandand expectations placedon

professionalaudiosystemssettinganewstandardintermsofperformance,flexibilityandeaseofuse.

Based on a completely new processing platform, running at 96kHz, the DX2 sets a new

standard in terms of performance,

flexibilityandeaseofuse.TheDX2isacomprehensive,4input8output,digitalloudspeakermanagementsystem,capableof

beingeasilyco nfiguredtomeetthemostdemandingapplicationsinbothfixedinstallationandlivetouringenvironments.PC

controlisavailableviaXTA'sAudiocoreandiCore

platformsallowingquickandeasysystemconfigurationandmonitoring

PleaserefertotheDX2.0userguideforfurtherinformation.



 



THSeries USERGUIDE

THSeriesUserGuideV1.0 12



…………

SystemParameters

DX0.5,1.5orDX2



Driver Gain Delay

HPF LPF EQ Limiter

Freq Slope Freq Slope Freq Q Gain Thresh Attack Rel Peak

THV

THH

15" 2dB 0ms 20Hz 24dB/OctLR 250Hz 24dB/OctLR 55Hz 1.4 4dB 6dBu 45ms X16 9dBu

       170Hz 2.5 3dB    

     231Hz 6.0‐6dB   

10/1" 0dB 3.2ms 250Hz 24dB/OctLR 22kHz 24dB/OctLR 275Hz 3.6 ‐3.5dB 3dBu 4ms X16 6dBu

     655Hz 4.0 2.5dB   

       1KHz 3.0 ‐1dB    

THV

THH

With

Sub

15" 2dB 0ms 20Hz 24dB/OctLR 250Hz 24dB/OctLR 55Hz 1.4 4dB 6dBu 45ms X16 9dBu

       170Hz 2.5 3dB    

     231Hz 6.0‐6dB   

10/1" 0dB 3.2ms 250Hz 24dB/OctLR 22kHz 24dB/OctLR 275Hz 3.6 ‐3.5dB 3dBu 4ms X16 6dBu

     655Hz 4.0 2.5dB   

       1KHz 3.0 ‐1dB    



iK42(ParametersenteredviaVu‐Ne t)* 



Driver Gain Delay

HPF LPF EQ VXLimiter TmaxLimiter

Freq Slope Freq Slope Freq Q Gain Thresh Overshoot thresh Attack Release

THV

THH

15" 2dB 0ms 20Hz 24dB/OctLR 250Hz 24dB/OctLR 55Hz 1.9 4dB 78V 3dB 58V 12s X2

       170Hz 3.4 3dB     

231Hz 7.2‐6dB    

10/1" 0dB 3.2ms 250Hz 24dB/OctLR 22kHz 24dB/OctLR 275Hz 4.8 ‐3.5dB 49V 6dB 35V 3s X4

655Hz 5.5 2.5dB    

       1KHz 4.3 ‐1dB     

THV

THH

With

Sub

15" 2dB 0ms 20Hz 24dB/OctLR 250Hz 24dB/OctLR 55Hz 1.9 4dB 78V 3dB 58V 12s X2

       170Hz 3.4 3dB     

231Hz 7.2‐6dB    

10/1" 0dB 3.2ms 250Hz 24dB/OctLR 22kHz 24dB/OctLR 275Hz 4.8 ‐3.5dB 49V 6dB 35V 3s X4

655Hz 5.5 2.5dB    

       1KHz 4.3 ‐1dB     

*NotethatFactorypresetsareavailableinVu‐NettoloadparametersforTHVandTHHintoaniK42soitshouldn'tbenecessary

tomanuallyprogramanamplifier.

iK42(ProgrammedfromtheFrontPanel)



Driver Gain Delay

HPF LPF EQ VXLimiter TmaxLimiter

Freq Slope Freq Slope Freq Q Gain Thresh Overshoot thresh Attack Release

THV

THH

15" 2dB 0ms 20Hz 24dB/OctLR 202Hz 24dB/OctLR 55Hz 1.9 4dB 82V 3dB 58V 12s X2

       140Hz 3.4 3dB     

10/1" 0dB 3.2ms 202Hz 24dB/OctLR 22kHz 24dB/OctLR 297Hz 4.8‐3.5dB 51V 6dB 36V 3s X4

       655Hz 5.5 2.5dB     

1KHz 4.3‐1dB    

THV

THH

With

Sub

15" 2dB 0ms 80Hz 24dB/OctLR 202Hz 24dB/OctLR 55Hz 1.9 4dB 82V 3dB 58V 12s X2

140Hz 3.4 3dB    

10/1" 0dB 3.2ms 202Hz 24dB/OctLR 22kHz 24dB/OctLR 297Hz 4.8 ‐3.5dB 51V 6dB 36V 3s X4

655Hz 5.5 2.5dB    

       1KHz 4.3 ‐1dB     





 



THSeries USERGUIDE

THSeriesUserGuideV1.0 13



…………

WiringDiagrams

ThereareseveralwaysthatTHsystemscanbeconfiguredsowewillnowlookatsomepracticalwiringexamplesforthemost

commonsystemconfigurations.

SystemA‐basicset‐upbi‐ampingTHVorTHH



Thisisthemostsimplesystemsetupforstereooperation,c onnectingfromyoursource,oftenamixer,st raighttoaDX0.5(or

othersystemprocessor)usingbalancedXLR"microphone"cables.FromtheDX0.5wetakefouroutputs,twolowfrequencyand

twohighfrequencyandtheseareroutedto

thetwoamplifiers.WethenuseaspeakercablethatcombinestwoNeutrikNL2or

NL4Speakonconnectorsintoasingle4‐corespeakercabletogofromtheamplifieroutputstotheTHspeakerinputs.Thiscould

alsobeachievedwithacustompatchpanelusingNL4panelconnectorswith

shortspeakercablesroutedfrompins1+/‐and2+/‐

onthepaneltothehighandlowfrequency amplifiers.Thiswillallowastandard4‐corespeakercablecanbeusedbetweenthe

panelandTHspeaker.

Seethechapteronamplifierselectiontochoosethe mostappropriateamplifierfor

usewiththeTHcabinet.



 



THSeries USERGUIDE

THSeriesUserGuideV1.0 14



…………

SystemBbasicbi‐ampsystemusingIKONiK42

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ThissystemissimilartoSystemArunningastereopairofTHV(orTHH)bi‐amplified.ThistimewehaveusedaniK42amplifier

from the IKON range. This makes system wiringextremely simple. First we can disregard the loudspeaker processor as the 

amplifierhason‐boardDSPand

factorypresetsareavailableinVu‐Nettoaddthecorrectparameterstoeachchannel.Secondly,

theamplifierhasfourchannelssoonlyasingleampisrequiredtodriveastereopairofTHV(orTHH),inadditionthe output

wiringcombinesamplifierchannelsontosingleNL4connectorssooutput

2isavailableonbothpins1+/‐onchannel2NL4and

alsoonpins2+/‐onoutputchannel1NL4.Likewise,outputchannel4appearsonchannel4NL4andchannel3NL4onpins2+/.

Thismakesdrivingbi‐ampedcabinetsverysimpleasastandard4‐core

NL4speakercablecanbeusedstraightfromtheamplifier

totheTHV.Nospecialspeakercablesorpatchpanelsarenecessary. 



 



THSeries USERGUIDE

THSeriesUserGuideV1.0 15



…………

SystemC‐IntroducingSubs

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Thissystemaddsapairofsubwooferstoenhancetheextremesubfrequencyresponseofthesystem.Onthisexamplewehave

usedtheSX218twin18"directradiatingportedsubwoofer.TheMartinAudioDX0.5isagainusedforsystemprocessing,this

timeusingallsixoutputstoprovideleft

andrightoutputsforsub,lowandhighfrequencies.ADX1.5orDX2mayalsobeusedor

evenathirdpartyprocessor,pa rameterstoprogramtheseareavailableinspreadsheetformontheLoudspeakerSettingspage

ontheMartinAudiowebsite.

Aswellasapplyingtherecommendedequalisationtheprocessor

addsalimiterinthefinalstageofprocessingtoprotectthe

systemfrombeingdamagedbybeingover‐driven.

TheXLRfeedsfromthemixergototheinputsoftheDX0.5,theDX0.5outputsshouldbeconnectedtotheamplifierinputswith

shortXLRcables.Aswiththe

basicsystem,acablecombinestheoutputsfromtheHFandLFamplifiersintoasinglesp eaker

cabletoconnecttotheTHV(orTHH).

Anadditionalamplifierisrequired,thisisalsofedfromtheprocessorandtheoutputsgodirectlytotheSX218withstandardNL4

speakercables.



 



THSeries USERGUIDE

THSeriesUserGuideV1.0 16



…………

SystemD‐UsinganIKONiK42andSXH218

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ThissystemissimilartotheprevioussysteminthatisusesapairofTHV(orTHH)andapairofsubwoofersbutthistimeusing

theSXH218Hybrid®loaded2x18"subforultimatesubfrequencyreproductionandusesoneoftheMartinAudioIKONiK42

four

channelamplifierstodrive thelowfrequencyoftheTHVandtheSXH218sforaneatsolutionavoidinghavingtoaddathird

amplifier. Channels 1and 2 drivethe LF of the THV and channel 3 and 4 drive the SXH218. A separate,smaller amplifier is

deployedtodrivethe

HFwhichdoesn'trequirethesamepowerlevelastheLFandsub.

Aswiththeprevioussystem,thereareleftandrightconnections fromthemixertotheinputoftheDX0.5(orDX1.5,DX2).Output

Channels3and6ontheDX0.5connecttoinputsAandB

ontheamplifierdrivingtheTHVhighfrequencyusingapairofshort

XLRcables.FourmoreXLRcablesconnectfromoutputs1,2,4&5ontheDX0.5totheinputsoftheiK42.

WhilstwehaveusedtheDX0.5thiswouldn'tstrictly berequiredfortheLFand

SubastheiK42hason‐boardDSP.Processing

wouldhoweverberequiredforthefeedtotheamplifierdrivingtheHFunlessthisalsohason‐boardDSP.

Speakerwiringasbeforeusesacustomcabletocombine theLFandHFfeedsontoasingle4‐corecable

(orapatchpanelcould

beused),thiscableisfedtoth e THV.SeparatestandardNL4cablesgofromoutputs1and2totheSXH218s.



 



THSeries USERGUIDE

THSeriesUserGuideV1.0 17



…………

EyeBoltMounting

AllTHsystemshavethreadedinsertsratedforflowninstallations.BothTHspeakerenclosureshaveM10threadedinserts.Most

commonlytheseareusedinconjunctionwithshoulderedeyeboltsforsuspendingthecabin etsusingappropriatelyratedchain

orsteelwire.MartinAudio'sHTK00004(M10)areratedforuseinflownapplications.

Notethatifyouplantousealternativeeye

boltsthesemustbeshoulderedcaststeelormachinedNOTformedsteeltypescommonlyavailablefromDIYstores.Theymust

haveasafeworkingloadratingcompatiblewiththeweightofthecabinets.



TheTHVenclosureisdesignedforusein'Portrait'andtheTHHin'landscape'format,

Werecommendusing aminimumoffoureyeboltswithwhichtosuspendthecabinetirrespectiveofwhichorientationisused.

In

mostapplicationstwoeyeboltsareusedastheprimarysupportleftandright.Athirdattachestotherearofthecabinetand 

isusedtoadjustthedown‐tiltofthecabinetasrequired.Thefourtheyeboltisusedtoattachasecondarysafetylinewhich

shouldbe

attachedtoasecuremountingpointwhichisindependentoftheprimaryflyingpoint‐roundagirderorsimilar.



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 



THSeries USERGUIDE

THSeriesUserGuideV1.0 18



…………

Specifications

 

TYPE Three‐waybi‐amptrapezoidHybrid®fullyhornloaded

FREQUENCYRESPONSE(5) 50Hz‐18kHz±3dB

DRIVERS 15”(380mm)/4”(100mm)coilbassdriver

 10”(250mm)/2.5”(63.5mm)coilmiddriver

 1”(25mm)exitHFcompressiondriver

RATEDPOWER(2) LF:750WAES,3000Wpeak

 MF+HF:300WAES,1200Wpeak

RECOMMENDEDAMPLIFIER iK42orMA3.0

SENSITIVITY(6) LF:104dB,MF+ HF:104dB

MAXIMUMSPL(9) 133dBcontinuous,139dBpeak

NOMINALIMPEDANCE LF:8ohms,MF+HF:8ohms

DISPERSION(‐6dB) 70˚horizontal,40˚vertical

CROSSOVER 200Hzactive,2kHzpassive

ENCLOSURE 250litre,multi‐laminatebirchply

FINISH Texturedblackpaint

PROTECTIVEGRILLE Blackperforatedsteel

CONNECTORS 2xNeutrikNL4

PINCONNECTIONS LF+,‐:1+,1‐,(MF+HF)+,‐:2+,2‐

FITTINGS 12xM10inserts

 4x4”(100mm)castors,4xpockethandles

DIMENSIONS(incwheels) (W)558mmx(H)1067mmx(D)780mm(908mm)

 (W)22insx(H)42insx(D)30.7ins(35.7ins)

WEIGHT 77.5kg(170.5lbs)

 



Notes

(1)Measuredon‐axisinhalf(2pi)spaceat2metres,thenreferredto1metre. 

(2)AESStandardANSIS4.26‐1984.

(3)Measuredinhalf(2pi)spaceat2metreswith1wattinput,usingbandlimitedpinknoise,thenreferredto1metre.

(4)Measuredinhalf(2pi)

spaceat2metresusingbandlimitedpinknoise,thenreferredto1metre.

(5)Measuredon‐axisinopen(4pi)spaceat2metres,thenreferredto1metre.

(6)Measuredinopen(4pi)spaceat2metreswith1wattinput,usingbandlimitedpinknoise,thenreferredto

1metre.

(7)Measuredinopen(4pi)spaceat2metresusingbandlimitedpinknoise,thenreferredto1metre.

(8)Measuredinopen(4pi)spaceat2metreswith2.83vinput,usingbandlimitedpinknoise,thenreferredto1metre.

(9)Calculatedat1metre.

(10)Measured

inhalf(2pi)spaceat2metreswith2.83Vinput,usingbandlimitedpinknoise,thenreferredto1metre.

 



 



THSeries USERGUIDE

THSeriesUserGuideV1.0 19



…………

TechnicalDrawings

THV

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