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I PA2000 BridgeableMultichannelAmplifier OWNER'SMANUAL harman / kardon PA2000 CH1 CH2 i i i i i i i i i i i i © L I harman / kardon _ ' Power for the digital revolution . TM
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PA 2000 Bridgeable Multichannel Amplifier 3 Introduction 4 Safetyinformation 4 Unpackingand installation 5 FrontPanelControlsand indicators 6 RearPanelConnections 7 installationand Configuration 8 ChannelConfigurationand SpeakerConnections 9 SpeakerWireConnections 10 Audio SignalConnections 11 Operation 12 Serviceinformation 13 froubleshootingGuide 14 lechnical Specifications Typographical Conventions In order to help you use this manual with the fiont panel controls and rear panel connections , certain conventions have been used EXAMPLE ( bold type ) indicatesa specificfront panelbutton or rearpanelconnectionjack [ ] ( numberin a square ) indicatesa specificfront panelcontrol O ( numberin a circle ) indicatesa rearpanelconnection 2 TABLEOF CONTENTS
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Introduction Features In orderto fully enjoythe performanceof your Congratulations ! Asthe owner of a PA2000 Multichannel / MultizonePowerAmplifier , you amplifie _ , pleasetake a few minutesto readthis haveat your commanda uniqueproduct , The owner'smanual It containsimportant informa - • Bridgeable MultichannelAmplifier PA2000 hasbeencarefullydesignedto deliver tion that will helpyouto makecertainthat the powers one or two stereo pairs the bestpossiblesonicperformance , alongwith amplifieris properlyconfiguredfor operation • High - current , ultrawide - bandwidth uniquefeaturesthat makeit as muchat home with the restof the equipmentinyour system design • Parallel line - level - out connections in a multiroomaudio systemas it is in provid - ing powerto the additionalsurroundchannels If youhaveanyquestionsaboutthis product , permit amplifiers to be cascadedfor requiredfor the latestdigital audioformats itsinstallation or itsoperation , pleasecontact systemuse your retaileror custom installerT . heyareyour • Music Sense circuitry and low - volt - ThePA2000 is aloneamong audio power bestsourceof productinformation age trigger connectionfor automatic amplifiersin beingdesignedto accommodate turn - on the long speakerruns requiredfor multiroom Welcometo the HarmanKardonfamily , We • Five - way binding post terminals applicationswithout sacrificingthe ultrawide - wishyou manyyearsof listeningpleasure ! accommodate large - gauge bandwidth circuitg and high < urrent capability speaker cable technologiesthat are keyto HarmanKardon's • Massive heatsinksfor quiet , fan - free long - standingtradition of audio amplifierexcel - convectioncooling lence , Asan addedaudiophiletouch , five - way • Output level trim controls speakerterminaBensurea secureconnection • Removable IIECpower cord to large - gaugespeakerwire , and individual • Specially optimized circuitry is com - output leveltrim controlsenableoutput bal - patible with long speaker wire runs anceto be setprecisely , that may be necessaryin a whole - house multiroom system Along with power andperformance , the PA2000 providesthe flexibilityfor a varietyof applications In the four - channel / two - pairout - put mode , the input is routed to two pairsof speakersfor usewith AV receiversequipped with multiroomcapability , In the two - channel bridged mode , a high - outputstereopair is availablefor useas the rearsurroundchannels in a 7,1 channelsystemorfor usewith a stereo preamplifie _ Forinstallationsrequiringmultiple amplifiers , a pair of paralleloutputsallowsthe samesignalto be fedto multiplePA2000s 1o allow the widest rangeof systemoptions , the PA2000 includesboth MusicSensecircuitry , which automaticallyturns the amplifieron when anaudio signalis present , and a low - voltagetrigger for compatibilitywith multiroom controllers CAUTION : TO REDUCE THE RISK OF ELECTRIC SHOCK , DO NOT REMOVE COVER ( OR BACK ) . NO USER - SERVICEABLE PARTS INSIDE . REFER SERVICING TO QUALIFIED SERVICE PERSONNEL . , _ The lightning flash with arrowhead _ The exclamation point within an symbol , within an equilateral triangle , is _ equilateral triangle is intended to intended to alert the user to the alert the user to the presence of presence of uninsulated " dangerous voltage " important operating and maintenance within the product's enclosure that may be of ( servicing ) instructions in the literature sufficient magnitude to constitute a risk of accompanying the appliance electric shock to persons WARNING : TO REDUCE THE RISK OF FiRE OR ELECTRIC SHOCK , DO NOT EXPOSE THIS APPLIANCE TO RAiN OR MOISTURE . I 3 INTRODUCTION
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Safety Information Do Not Open the Cabinet Cleaning Important Safety Information Tfiere are no usepseis / iceable components Whenthe unit getsdirty , wipe it with a clean , insidethis product , Openingthe cabinetmay soft anddiy cloth if necessaryf , hstwipe the Verify Line Voltage Before Use presenta shockhazard , and anymodification surfacewith a soft clothsligfiBydampened Yournew HarmanKardonPA2000 amplifier to the productwill void your guaranteeIf water with mild soapywater , followed by a freshcloth hasbeenfactory - configuredfor usewith 120 - enterstheunit , or anymetal objectsuchasa with cleanwater Wipeimmediatelywith a d _ y volt ACline current , Connectingthe amplifierto cloth Neverusebenzenet , hinner , alcoholor paperdip , wire or stapleaccidentallyfalls a linevoltage otherthan that for which it is insidethe cabinet , disconnectthe unitfrom the anyothervolatile cleaningagent Donot use intendedcancreatea safetyand fire hazard , ACpower sourceimmediatelyandconsultan abrasivecleaners , asthey maydamagethe fin - and maydamagethe amplifien authorizedwarrantystation , ishof metal parts , Avoidsprayinginsecticide nearthe unit , If youhaveanyquestionsaboutthe voltage Installation Location requirementsfor your specificmodel , or about • To ensureproperoperationand to avoidthe Moving the Unit the line voltage in yourarea , contactyour sefl - potentialfor safetyhazards , placethe unit Beforemovingthe unit , becertainto discon - ing dealerbeforepluggingthe unit into a wall outlet , on a firm and levelsurfaceW . henplacingthe nectanyinterconnectioncordswith othercom - uniton a shelf , becertainthat the shelfand ponents , and makecertainthat youdisconnect the unit from theACoutlet anymountinghardwarecansupportthe Verify AC Circuit Capacity Before Use amplifier'sweight , High - poweroutput of your amplifiermay Unpackingand Installation requireheavycurrentdraw underfull loadcon - • Makecertainthat the properspaceis provided Thecartonand shippingmaterialsusedin pro - ditions , Toensureproperperformanceand both aboveand belowthe unit for ventila - tecting your new amplifierwere specially avoidpotential safetyhazards , we recommend tion . If the amplifierwill beinstalledin a designedto cushionit fromthe shocksand that it be connectedto a circuitwith 20 - amp cabinetor other enclosedarea , makecertain vibrationof shipping . Wesuggestthat you save capacityConnectingmultiple amplifiersto the that thereis sufficientair movementwithin the cartonand packingmaterialsfor usein samecircuit , or connectingthe amplifierto a the cabinet Consultwith your dealeror shippingif youmoveor ifthe unitever needs circuitusedbyother heavy - powerdevicess , uch installerfor moreinformation , repair as high - wattagelights , maycausecircuitbreak - • Donot placethe unit directlyon a carpeted ersto trip , it is alwaysa good ideato avoid surface Tominimizethe sizeof the cartonin storage , usinganyaudio equipmentonthe sameAC cir - youmaywishto flatten it , Carefullyremoveany cuit as equipmentwith motors , suchas air con - • Avoidinstallation in extremelyhot or cold staplesusedto closecartonseams ; carefullyslit ditionersor refrigeratorsT . hiswill lessenthe locations , in anareathat is exposedto direct the tape on the bottom andcollapsethe car - possibilityof powervariationand electrical sunlight or nearheatingequipment ton Othercardboardinsertsmaybestoredin start - upnoiseaffectingyour sound system • Avoid moistor humid locations , the samemannerPackingmaterialsthat can - Do Not Use ExtensionCords not becollapsedshouldbesavedalong with • Donot obstructthe ventilationslotsonthe the cartonin a plasticbag Toavoidsafetyhazards , useonly the power top of the unit or placeobjectsdirectlyover cord suppliedwith your unit if a replacement them , Rememberp , ower amplifiersgenerate cord is used makecertainthat it is of a similar Whenpositioningthe amplifier in itsfinal loca - heat , and the fieatsinkfins and ventilation tion , makecertainthat it hasadequateventila - gauge Wedo not recommendusingextension slotsthat form part of the cabinetare spe - tion on all sides , asweft as onthe top andbot - cordswith this product , As with all electrical cially designedto removethis heat , Placing tom . Donot placeCDsrrecord ] acketsrowner's devicesrdo not run power cordsunderrugsor other electronicequipmentnearthese heat - manualsor other paperontop of or beneath carpetsor placeheavyobjectson power cords dissipationsystemsmaypossiblyaffectthe the unit or in betweenmultiple amplifiersin a Damagedpower cordsshould bereplaced longterm reliabilityof both youramplifier stack , Thiswill blockthe air flow , causing immediatelywith cordsmeetingfactoryspecifi - and the objectsplacedaboveit , Thecarton cations degradedperformanceanda possiblefire haz - and shippingmaterialsusedin protecting ard , If the unit is to be enclosedin a cabinetor your new amplifierwerespeciallydesigned rack , makecertainthat thereis adequateair Handle the AC PowerCord Gently to cushionit from the shocksand vibration circulation , with meansprovidedfor hot airto Whendisconnectingthe power cordfrom an of shipping , Wesuggestthat yousavethe exit and for cool air to be broughtin ACoutlet , alwayspull the plug ; neverpull the cartonand packingmaterialsfor usein ship - cord if youdo not intendto usethe amplifier pingif you moveor if the unit ever needs for a considerablelength of time , disconnect repain the plug fromthe ACoutlet , 4 SAFETYINFORMATION I
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Front Panel Controls and Indicators harman / kardon 2000 CH 1 CH 2 [ ] [ ] [ ] [ ] [ ] PowerSwitch [ ] StandbyIndicators [ ] PowerIndicators [ ] ProtectIndicators [ ] Power Switch : Pressthis switchto turn the PA2000 on for manualoperationwhen the Power Control Mode Switch _ ) for oneor both channelpairsis in the ONposition , or to placeit in the Standbymodewhen the Power Control Mode Switch _ for oneor both channelpairsis in eitherthe MusicSenseor AC / DCfdgger position [ ] Power Indicators : Theseindicatorswifl light when eitherof the channelpairsis on [ ] Standby Indicators : Theseindicatorswill light whenAC mainspower is appliedto either of the channelpairs , but whenthat channel pair is not currentlyactive in this condition , the channelpair associatedwith the indicatoris readyto turn onwhen a signalis appliedto the Trigger Jack _ or whenthere is an audio signalappliedto the Input Jack O , [ ] Protect Indicators : Theseindicatorswill light when eitherof the channelpairsis in the Protectmode Whenone of theseindicators lights , turn the unit off immediatelyand check for a problemrsuchasa short in the speaker wiring I 5 FRONTPANELCONTROL & S INDICATORS
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Rear Panel Connections _ nmOdEOEC _ n _ ' 1110dE . _ r _ ¢ O _ ln NOF _ mn _ ° lAnAI . . . . . . . . . . . . _ IN Y , a _ A + , _ - _ , _ + * cr _ © © 0 0 O 0 O O Q 0 0 Q 0 Input Jacks ( _ TriggerJack O OutputJacks Channel1 OutputSpeakelrerminals _ ) PowerControl ModeSwitches _ ) Channel2 OutputSpeakerferminals O OutputLevelTrimControls ( _ ) ACPowerCord Receptacle _ ) Bridge / NormalSwitch 0 Input Jacks : Connectthesejacks to the O Output LevelTrim Controls ( Onefor each Channel 1 Output Speaker Terminals : left / right output of the AV receiverpreamp sur - channelpair } Thesetrim controlsare usedto Connecttheseterminalsto the speakerpair that round processorm , ulBroomcontrolleror other adjustthe output levelfor eachchannelpai _ is fed by the Channel1 amplifiersection sourceusedto feed the PA2000 _ ) Bridge / Normal Switch : Thisswitchdeter _ ) Channel 2 Output Speaker Terminals : O Output Jacks : Thesejacks providea parallel mineswhetherthe unit operatesin the Connecttheseterminalsto the speakerpair that feed of the input signal In systemswhere more " Bridged " conditionor inthe Normalmode is fed by the Channel2 amplifiersection than onePA 2000 is used theymaybeconnected Pleasebecertainto disconnectthe powerfrom to the Input Jacksof the additionalamplifier the unitwhen operatingthis switch NOTE : Whenthe amplifieris operatedinthe Bridgedconfiguration connectthespeakersas _ ) Power Control Mode Switch : ( Onefor • Whenthe switch is in the right position , over shownon Page8 theword " NORMAL " , the unit will providetwo eachchannelpair ) Thisthreeposition switch determinesthe methodby whichthe PA2000 output feed pairsfor a total of four output _ ) AC Power Cord Receptacle : Connectthe channels will be placedinthe active , or ON positionfor ACpower cordsuppliedwith the unit to this 10to 15minutes : • Whenthe switch is in the left position , under receptacle , and connectthe power cord plugto theword " BRIDGED " t , he unit will functionas anACoutlet • Whenthe switch is in the far right position , a stereoamplifie _ with a singlehigh - power underON , the unit will beturned on whenthe output feed intotwo output channels front panelPower Switch [ ] is pressedin • Whenthe switch is in the middleposition over _ ) TriggerJack : Connectthisjack to the out - the words ' AC / DCTRIGGER " th , e unit will put of a compatibleproductcapableof feeding automaticallyturn on whena 3volt to 30wolt a 3wolt to 30wolt signalto thejack when signalis applied to the TriggerJack _ ) amplifieroperationis desired Whenone of the • Whenthe switch is in the far left position , channelpairshasthe Power Control Mode underthewords ' MUSIC SENSE " the unit will Switch _ ) set to the middle or AC / DCtrigger automaticallyturn on whenan audiosignalis position , that channelpair will automatically presentat the Input Jacks € ) The unitwill turn on whenthe Iowwoltagetrigger signalis automaticallyturn off when the signalis no presentToautomaticallyturn all channelson longerpresent via the triggecBOTHPower Control Mode Switches _ ) shouldbeset to the trigger position 6 REARPANELCONNECTIONS I
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Installation and Configuration or SAFETYNOTE : When making connections between any source componentssuch 2blo trigger the amplifierusingthe switched asAV receivers , surround processorsor ACaccessoryoutlet onanAV receiveror multiroom controllers and the PA 2000 , other sourcedevice , purchasea smallACto or when making any connectionsto DCpowerconverter , as is typicallyusedto speakers , be certain that both the source replacethe batteriesin portableelectronics device and the PA2000 are turned off . To devicesSelecta modelthat is capableof ensure that there will be no unwanted delivering3 to 12 volts DC , and makecer - signal transients that can damage equip - tain that oneof the " tips " providedwith the ment or speakers , it is always best to unit is a 3,5mm mini - plug , Plugthe trans - formerendof the converterinto the unplug all equipment before making any connections . Modern electronic products switchedACoutput onthe sourceproduct , often have a " standby " mode that may and connectthe 3,5mmmini - plugto the be activated even though the product Trigger Jack O . may appear to be turned off . 3 , Pressthe Power Switch [ ] in so that it is engaged , andnote that the Standby Power Control Connections Indicator [ ] will light for the channelpairs selectedfor trigger controloperation ThePA2000 featuresa built - in remoteturn - on systemthat will automaticallyturn oneither or Whenthe sourcecontrol unit providingthe both of the amplifier pairsin oneof threeways . power isturned on , the PA2000 wifl automati - Dependingon yourspecificapplication , the unit callyturn on . Whenthe sourceunit is turned maybeturned on manua ] lyusingthe Power off , the PA2000 will returnto the Standby mode , Switch i11 , or via automaticsensingof either an input sourceor a low - voltagetrigger signa ] . Formanualoperation , nospecialinstallation is Remote Turn - OnUsing Music Sense required . Forautomaticturn - on , follow the instructionsbelowfor thechosentrigger ] o configurethe PA2000 sothat eitheror both method of the channelpairsturn onautomatically when the amplifieris receivingan audiosignal , Notethat whenthe unit is operatedin the follow thesesteps : standard , two - pair output mode , eachof the • Connectthe audio inputas normalto the channelpairs maybeoperatedbythe same audio Input Jacks O . trigger method , or they maybeturned onvia • Foreachchannelpair that youwishto con - differentmethods , t _ olusingan incomingaudiosignal , slidethe Power Control Mode Switch _ to the Remote Turn - On From an External Device far ] eftso that the switchis underthe words " MUSICSENSE " Using the Low - Voltage Trigger • Pressthe Power Switch [ ] in sothat it is ] o configurethe PA2000 sothat eitheror both engaged , and note that the Standby of the channelpairsturn onautomaticallyin Indicator [ ] will light for the channelpairs responseto a low - voltagetrigger signal , follow selectedfor trigger controloperation , thesesteps : 1 , Racethe Power Control Mode Switch In this configuration , the PA2000 will automat - for eitherchannelin the centerposition , icallyturn onwheneverit isreceivinganaudio so that the switchis overthe words " AC / DC input signalTheunit will returnto the Standby TRIGGER " , mode10 to 15minutesafter the audio signal 2a , lo trigger the amplifierflom a devicesuch stops as a preampsurroundprocessoror multi - NOTE : Whenthe PA2000 is usedin the roomcontrollerwith a built - in triggerjack , connectoneend of a cablewith a 3,5mm Bridgedmodeasa single - pairstereoamplifie _ , monomini - plugto the Trigger Jack _ on usethe Power Control Mode Switch I _ in the PA2000 Connectthe other end to a the arealabeled " BRDGE / CHANNEOL NE " to makethe settingsfor the desiredturn - on mode vide a 3 - volt to 30 - voltsignalwhenthe unit isto beturned on I 7 INSTALLATION & CONFIGURATION
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Channel Configuration and Speaker Connections Two - Pair Output One - Pair Output ( Bridged Operation ) Forusein muIBroomapplicationst , he PA2000 The PA2000 is a bridgeableamplifier , which may be usedto sendthe samesignalfeedto meansthat the two pairsof medium @ owered two separatelocations , suchas livingroomand amplifiersmayalsobecombined , or " bridged " , dining room speakersW . hileeachroomwill to forma higher - poweredstereoamplifierwith receivethe samefeed , the volumemaybecon - a singlepairof outputs , Thistype of operation trolled by usingthe channelOutput level is suitablefor usein poweringthe rearsur - Trim Controls O or optional in - wall volume roundchannelsof a 7,1surround - soundsys - controls , tem , or for generaluseasa high - quality , high - power stereoamplifierfor a mainlistening ThePA2000 is factory - shippedto operatein roomor remoteroom applications , this configuration , but it is alwaysa good idea to double - checkthe switchsetting to makecer - To configurethe PA2000 for useas a single - pair stereoamplifiel , follow thesesteps : tain that it is correct , Fortwo - pair output , the • Disconnectthe power fromthe unit , Bridge / Normal Switch _ ) shouldbeset so that the switchis on the right side , over the • Locatethe Bridge / Normal Switch _ on word " NORMAL " Toensurethat the switchset - the rearpanel , and usea # 1 Phillipsscrew - ting is not changed , makecertainthat the plas - driverto carefullyremovethe screwson tic switchguardis installedoncethe proper eithersideof the plasticswitchguard , setting is made , Removethe plasticguard andset it aside with the screws • Slidethe switchto the left so that it is under To connectspeakerswhen the PA2000 is used the word " BRIDGE " , inthe two - pair output mode , connectonepair of speakersto the Channel 1 Output • Replacethe plasticswitchguard sothat it Speaker Terminals _ , andthe otherpair to securesthe switchin the desiredposiBon • Replacethe two screwsto securethe plastic the Channel 2 Output Speaker Terminals _ ) ( SeeFigure1 ) guard To connectspeakerswhenthe PA2000 is used RightSpeaker Left Speaker as a stereoampIFie _ a , nalternativeconnection Channel methodis used , As shownin Figure2 , connect + One + the speakersto the terminalsshown on the rear pane [ as " BRIDGE + _ " , with the connectionsmadevertically , asopposedto the horizontallyorientedconnectionsusedin two - pair output use , Notethat the negative , or " " , terminal usedfor bridgedoperationis normally markedas " + " for useintwo - pair use , For bridgedoperation , pleaseobservethe Bridge markings , notthe markingsusedfor the Ch , 2 output , + + Channel RightSpeaker Two Left Speaker Figure1 + Right Speaker Left Speaker Figure 2 8 CHANNELCONFIGURATION I
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Speaker Wire Connections Regardlessof thechannelconfigurationused , Then , loosenthe knobsof the speakeroutput Finally , connectthe wires to the speakers , the final stepof the installationprocessis to terminalsfar enoughsothat the passrthrough again , beingcertainto observeproperpolarity connectthe amplifierto your speakersu , sing hole is revealed , In order to preserveproper Rememberto connectyour " negative " or high - qualitycable , ThePA2000 is equipped stereoimagingandlow - frequencyreproduction , " black " wire to the matchingterminalon the with binding postterminalsthat acceptbare it is essentialthat properpolaritybeobserved speake _ Similarly , the " positive " or " red " wire shouldbeconnectedto the liketerminalon the wire , spadelugs or banana - typeplugs , when when connectingspeakersto the PA2000 Be they arepermittedby localsafetyagencies , sureto connectthe negativeterminalfor each speake _ Onceyou havelocatedthe properspeakerter - channelon the PA2000 to the negativetermi - minalsfor the typeof output configurationin nal onthe speaker , andthe positiveterminalon NOTE : Whilemost speakermanufacturers USecronnectyour speakersusingthe following the PA2000 to the positiveterminalon the adhereto an industryconventionof usingblack guidelines speakerNotethat oneconductorof the speaker terminalsfor negativeand red onesfor positive , cablewill havenomarkingsand the otherwill somemanufacturersmayvaryfromthis config - lo ensurethat the high - qualitysignalspro - havea red line , brandnamemarkingsra black uration , Toensureproperphaseconnections ducedby your PA2000 are cardedto your thread or someotherpositiveindication Follow andoptimal performance , consultthe identifica - speakerswithout lossof clarityor resoluBonr the properconnectioninstructionsfor your sys - tion plateon yourspeakerterminals , or the we recommendthat you usehigh - quality tem with regardto which terminalsare used speaker'smanualto verifypolarity , If youdo speakercable Many brandsof cableare avail - Thesmall speakericonsnextto eachpair of ter - not know the polarity of your speakera , sk your able , andthe choiceof cablemaybe influenced minal postswill guideyouto the correctcon - dealeror installerfor advicebefore proceeding , nections Whenthe connectionsaremade , twist by the distancebetweenyourspeakersandthe or consultthe speaker'smanufacturen amplifier , the typeof speakersyouUSepr ersonal the capbacksothat the connectionis secured , preferencesand otherfactors . Yourdealeror but do not over % htenor usetooIsras this may Asa generalrule , avoidrunning input signalor installeris a valuableresourceto consultin breakthe delicatewire strandsand decrease speakerwire connectionsin parallelwith each selectingthe propercablefor connections systemperformance , other , or with ACpower cords Thiscanresultin undesiredhumor otherinterferencethat will betweenyouramplifierand speakers greatlydegradesignalperformance , If youare usingspadelugs , connectthem to Regardlesosf the brandor typeof cableselected , the wire usingthe manufacturer'sinstructions we recommendthat youusea cableconstructed and then loosenthe capsonthe speakertermi - of fine , mulBstrandcopperwith a gaugeof 14 nals Placethe lugs betweenthe plasBccapand the backof theterminal , asif it were a horse - or largal Rememberthat in specifyingcable , the lower the number , the thickerthe cable shoeon the game'spost , Be sureto observe properpolarity , usingthe appropriatespeaker Cablewith a gaugeof 16 maybeusedfor hook - upiconsfor your system'sconfiguration short runsof lessthan ten feet Wedo not rec - Tightenwith your fingersto obtain a posiBve contact ommendthat youuseanycableswith anAWG equivalentof 18 or higher , due to the power lossand degradationin performancethat will Whenbananaplugsarepermitted , connections occur maybe madeby simplyinsertingthejack affixed to yourspeakerwire into the hole pro - Cablesthat are run insidewalls shouldhave videdon the rearof the coloredscrewcapson the appropriatemarkingsto indicatethat they the binding posts . Beforeusingbananartype are listedwith UL , CSAor other testingagency jacks , makecertainthat the plasticscrewcaps standardsQuestionsaboutcablesinsidewalls are firmlytighteneddown byturning them in a should bereferredto a qualified installeror a clockwisedirectionuntil they aresnugagainst the chassisT , hiswill ensurethat the maximum licensedelectricalcontractorwho is familiar with the NECand / orthe applicablelocalbuild - surfaceareaof the plugis in contactwith the ing codesin your area , jack , Becertainto observeproperpolarity If barewire is usedfor the connectionss , trip Finally , run the cablesto the speakerlocations approximately1 / 2 inchto 3 / 4 inchof insulation Wherepossible , it is recommendedthat the from the endof eachwire and carefullytwist length of cableconnectinganypair of speakers the strandsof eachconductortogatha _ Be be identical , eventhough one speakermaybe carefulnot to cut the individualstrandsor twist physicallycloserto the amplifierthan the other them off ; for optimal performance , all strands Donot coil anyexcesscable , asthis may must beused becomean inductorthat createsfrequency responsevariationsin yoursystem , 9 SPEAKERWIRE CONNECTIONS I
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Audio Signal Connections Audio connectionsfor the PA2000 arestraight - forward : connectthe output of the sourceunit , which maybethe multiroomoutputsof anAV receiveror " whole - house " audio systemor the rearsurroundoutputsof a processoror a receiverto theaudio Input Jacks O , in somemultiroomsystemsy , oumaywish to havethe samesignalfeed multiple amplifiers , in that typeof installation , the input feed to the PA2000 maybedaisy - chainedto an additional amplifierby connectingthe audioOutput Jacks O onthe PA2000 to the inputjacks on a secondPA2000 or anotheramp [ ifie _ Whenmakingconnectionswith the RCA - type plugson interconnectcables , makecertainto gently but firmly insertthem into thejacks on the backof the PA 2000 Looseconnections cancauseintermittentsound andmaydamage yourspeakersT , hebarrelassemblyof some high - qualityRCAplugsmayberely tight , and it isimportant to ensurea properconnection betweenthe interconnectioncableandthe input ] ack , AC Power Connection Thefinal step in the installationof the PA2000 is to connectthe power cord First , connectthe femaleend of the cord intothe AC Power Cord Receptacle I _ ) on the rearpanel Oncethe cordas beenfirmly connectedto the PA2000 , insertthe plugend into anAC power outlet , SAF [ TY NOT [ S : • Dueto the currentdrawof the PA2000 , DO NOr connectthe powercordto the accessory outlet onaudio / videocomponents • Shouldthe power cord becomelost or dam - aged , becertainto replaceit with a replace - ment that meetsor exceedthe original speci - fications Useof power cordswith insufhdent capacity , suchasthoseusedwith computers or office equipment , maycreatea safety hazard , 10 AUDIO SIGNAL CONNECTIONS I
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Operation Operationof the PA2000 is simple , In normal SAFETYNOTE : To preventunintendedopera - use , there areno controlsto adjustoncethe tion , rememberto turn the unit completelyoff installationis complete , when itwill not be usedfor an extendedperiod of time Thisisdone by pressingthe Power After all connectionshavebeen madeto the Switch [ ] and noting that the Standby amplifier'sinputsand speakerterminals , and Indicator [ ] goesout , Thiswill preventthe theAC power cordhasbeenconnected , the automaticturn - on circuitsfrom accidentally way in whichthe unit turns on is determinedby turning the amplifieron duringyour absence the settingsfor the Power Control Mode Switches _ Dependingonthe settings , as Output Level Adjustment describedon page7 , the amplifierwill turn on in oneof thesethreeways : In normaloperation , the sourceunit controls the volumefor signalsfed to the PA2000 , This • Whenthe Power Control Mode Switches is particularlyimportantfor surround - sound areset to the rightr in the ONposition , applications , as the volumeto all channelsina the PA2000 will turn on whenthe Power system , regardlessof the amplifier , shouldbe equal inorderto ensureproperreproduction , In Switch [ ] ispressedin , Pressthe switch most cases , the factoryvolumesetting isappro - againto turn the amp off • Whenthe Power Control Mode Switches priateand need not bechanged areset inthe middle , in the " AC / DC TRIGGERp " osition , thePower Switch [ ] However , in someinstancesit maybenecessary to varythe output levelof the PA2000 , either shouldbepressedinto placethe PA2000 in to match the levelsfor surroundsystemso , r to the Standbymode , The unitwill now turn on set a fixedvolume levelfor a remoteroom automaticallywhen a low - voltagesignalis speake _ In thesecases , the PA2000 ' soutput presentat the Trigger Jack • Whenthe Power Control Mode Switches volumemay beadjustedby turning the Output areset to the far ] eft , in the " MUSIC Level Trim Control _ on the rear panel Whenadjustmentisrequired , turn the knob in SENSEp " osition , the Power Switch [ ] eitherdirectionuntil the desiredlevelis shouldbepressedinto placethe PA2000 in achieved the Standbymode , The unitwill now turn on automaticallywheneveranaudio signalis present , Theunit will returnto the Standby Whenthe PA2000 isoperatedinthe Bridged mode10to 15minutesafterthe audio signal configuration , usethe Output Level Trim is removed Control _ labeled " VOL , 1 " to makeadjusb merits , As a generalrule , it's alwaysa good ideato turn onyour amplifierLASf Thisavoidsthe pos - NOTE : TheOutputLevelTiimControlsoperate sibility of anyturn - on popsortransientsfrom for both speakersin a givenchannel Youmay adjustthe output of onechannelpair orthe other equipmentbeingamplifiedand sentto other , but it is not possibleto individuallyadjust your speakerswhere theymaycausedamage eitherthe separateleft or right channeloutput Alwaysstart with a low volumelevelon your receiver , controlleror preampto avoid damage within a givenchannelpai _ to your speakers , Youare now readyto enjoythe finestsonic performanceavailable I 11 OPERATION
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Service Information If your installationhasfollowed the procedures inthis manual , youshouldenjoymanyyearsof t _ ouble - ffeeoperationandhigh - qualitylistening enjoymentThePA2000 doesnotcontain any user - serviceablpearts If yoususpecta problem that mayrequireserviceassistancec , ontact your dealei , installeror an authorizedHarman Kardonsewicedepot , Youmayalsocontact HarmanKardonat www harmankardon , com , It is importantthat anyrepairsbecarriedout only by anauthorizedHarmanKardonservice agentto ensureproperserviceandpreservethe protectionof yourLimitedWarranty It'sa good ideato keepyour salesslip or receiptin a safe place ( alongwith this manual ) sothat it will be availableto verifythe purchasedatefor war - ranty claims Input / Output Protection Mode Undersomeconditions , suchasa shorted speakerwire , DCvoltageon an input connec - tion or thermal overload , the HarmanKardon PA2000 will placeitself in a Protectmodeto preventdamageto the amplifierWhenthis happens , the Protect Indicator [ ] will light , Whenthis occurs , IMMEDIATELtYurn off the unit usingthe power switchand correctthe problem Thenturn theunit backon if the unit continuesto go into a Protectmode , contact your dealeror installerfor assistance 12 SERVICEINFORMATION I
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Troubleshooting Guide Theitemslisted beloware a brief guide to minorproblemsthat mayarisewith audio equipmentsuchas the PA2000 Beforetaking a unit in for sewice , youshouldcheckto seewhether anyof thesehintssolvethe problem If thesesolutionsdo not rectifythe problemor if the problemrecurs , contactyour dealeror an authorizedHarmanKardonservicedepotfor assistance SYMPTOM CAUSE SOLUTION • Powerswitchturned off • ] urn on powerswitch , ( no power light LED ) • Remotetrigger cablenot properly • Verifyconnectionof trigger cableat both ends , connected Amplifierturns on , but there's noaudio • Inputsnot connectedto properjack , • Checkinput connections . fromone or morechannels , • Speakersnot connectedproperly • Checkspeakerconnections , • Impropersettingsor levelsfrom • Checkthe settingsonyour preamp , processoror controller processoror controller Audio plays , then cutsoff • Amplifiershorted • Checkspeakerconnectionsfor short circuit 13 TROUBLESHOOTINGGUIDE I
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Technical Specifications PowerOutput NormalMode 4 x 45 watts ¢ _ 8 ohms , 2OHz 20kNz , < 0,07 % THD , all channelsdriven 2 x 100 watts ¢ , _ 8 ohms , 20Hz 20kHz , < 0,07 % THD , all channelsdriven BridgedMode _ + 45amps < lHz 170kNz , 3dBat 1 watt FrequencyResponse Signal - to - NoiseRatio 1lOdB at ratedpower 45 watts THD / IMD Lessthan 007 % at ratedoutput PowerBandwidth < lHz lOOkHz 47K ohms input Impedance input Sensitivity 1 volt Forratedoutput 3 30 voltsAC / DC RemoteTriggerVoltage 20K ohms RemoteTriggerimpedance 6 - 1 / 8 " x 17 - 3 / 8 " x 15 - 3 / 4 " Dimensions ( HxW x D ) 155mmx 442mmx 400ram Weight 25,3 Ib / ll . 4kg 120VACr50Nz / 6OHz PoweRr equirements 260 watts , maximum 14 TECHNICALSPECIFICATIONS I
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Notes I 15 NOTES
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H A HarmanIntemaIJort8C1ompany harman / kardon 250 CrosswaysPzl / k [ } rive WoodtJury New Yolk 11797 www harrnankardon corn _ 2000 Ha _ manKaidon , h _ co _ pora / ed P _ ] rtNo : YIAM K20OO01A