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Krell Industries KAV-250a/3 manual THE KAV-250aFRONTPANEL, 1PowerButton

Models: KAV-250a/3

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FIGURE 1 THE KAV-250a FRONTPANEL

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1PowerButton

2Power LED

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Krell Industries KAV-250a/3 manual THE KAV-250aFRONTPANEL, 1PowerButton

Contents

KAV-250a KAV-250a/3Instructionsfor Use,v Owners ReferenceKAV-250aStereoPower Amplifier and KAV-250a/3 Three-ChannelPower AmplifierCover KAV-250a/3 Three-ChannelPower Amplifier Instructions for UseContentsPage IllustrationsPage FIGURE1 The KAV-250aFrontPanelFIGURE2 The KAV-250aBackPanel FIGURE3 The KAV-250a/3FrontPanelIntroduction Definition of TermsMulti AmpThroughput BridgingUnpacking Placement AC POWER GUIDELINES1PowerButton FIGURE 1 THE KAV-250aFRONTPANELFront Panel Description KAV-250a 1 Power Button2 Power LED KAV-250aand KAV-250a/3AmplifiersPower FIGURE 2 THE KAV-250aBA K PANELBalancedInputs FusesBack Panel Description KAV-250a See Figure 2 on page6Balanced Inputs 3, 4 InputsPower Supply BackPanelDescription,continuedRemoteControls 1112 VDCRemotePower Out 1212 VDCRemotePower In1415 14PowerButton 15Power LEDFIGURE3 THE KAV-250a/3FRONTPANEL 15 Power LED Front Panel Description KAV-250a/314 Power Button BACK PANEL ZOO0THE KAV-250a/3 BackPanel Description KAV-250a/3 See Figure 4 on page11Balanced Inputs 16, 17, 18 InputsPower Supply 2712 VDCRemotePower Out 2812 VDCRemotePower In29 IEC Power Connector BackPanelDescription,continuedINPUT AND OUTPUT CONNECTIONS MULTI AMP THROUGHPUT Optional SystemConfigurationsBefore Reconfiguringfor MATor Bridged Operation PCboards showing MATjumper configuration PCboards showing bridged jumper configurationPowersupply PCboards Right LeftRightReconfiguring the KAV-250aforMAT Connecting the KAV-250aReconfiguredfor MATReconfiguring the KAV-250a/3forMAT See Figure 5 on page16KAV-250aand KAV-250a/3Amplifiers Connecting the KAV-250a/3Reconfigured for MATSee Figure 4 on page11 PCboards showing MATjumper configuration on page21 PowersupplyLeftCenterRight on page21Reconfiguring the KAV-250aforBridged Operation Connecting the Bridged KAV-250aBRIDGED OPERATION SeeFigure 5 on page16Reconfiguringthe KAV-250a/3forBridged Operation Connectingthe Bridged KAV-250a/3See Figure 6 on page19 See Figure 4 on page11input High PowerMonoOperationEXAMPLESOF CONNECTIONSCENARIOS KAV-250aand KAV-250aJ3Amplifiers Power Biamplification Stereo, 2-channelExamples of Connection Scenarios, continued KAV-250aand KAV-250aJ3Amplifiers Multi Power ModeExamplesof ConnectionScenarios, continued Amplifier Operation ON/OFF AND OPERATIONAmplifier Troubleshooting HOW TO TROUBLESHOOT SYSTEM NOISEQuestion and Answer KAV-250aand KAV-250a/3Amplifierscomplete and return the Warranty WarrantyTo register your product for warranty benefits ReturnAuthorization Procedure Specifications SIGNAL TO NOISE RATIO A WEIGHTEDOUTPUT POWER, EACH CHANNEL DRIVEN BRIDGED POWER CONSUMPTION INPUTS OUTPUTS DIMENSIONSKAV-250a/3Three-ChannelAmplifier SIGNAL TO NOISE RATIO A WEIGHTEDOUTPUT POWER, EACH CHANNEL DRIVEN BRIDGED POWER CONSUMPTION INPUTS OUTPUTS DIMENSIONSKAV-250a KAV-250a/3Stereo Power Amplifier Three-ChannelPower Amplifier