Manuals / Krell Industries / Home Audio / Stereo Amplifier

Krell Industries KAV-250a/3 IllustrationsPage, The KAV-250aFrontPanel, The KAV-250aBackPanel

Models: KAV-250a/3

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IllustrationsPage

FIGURE1 The KAV-250aFront Panel

FIGURE2 The KAV-250aBack Panel

FIGURE3 The KAV-250a/3Front Panel

FIGURE4 The KAV-250a/3 Back Panel

FIGURE5 Reconfiguring the KAV-250afor MAT or Bridged Operation

FIGURE6 Reconfiguring the KAV-250a/3for MAT or BridgedOperation

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iv	KAV-250aand KAV-250a/3Amplifiers

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Krell Industries IllustrationsPage, The KAV-250aFrontPanel, The KAV-250aBackPanel, The KAV-250a/3FrontPanel, 4 6 9

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 InFIGURE3 THE KAV-250a/3FRONTPANEL 14PowerButton 15Power LED1415 14 Power Button Front Panel Description KAV-250a/315 Power LED THE KAV-250a/3 ZOO0BACK PANEL 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 Before Reconfiguringfor MATor Bridged Operation Optional SystemConfigurationsMULTI AMP THROUGHPUT 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 page16See Figure 4 on page11 Connecting the KAV-250a/3Reconfigured for MATKAV-250aand KAV-250a/3Amplifiers 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 page11EXAMPLESOF CONNECTIONSCENARIOS High PowerMonoOperationinput Examples of Connection Scenarios, continued Power Biamplification Stereo, 2-channelKAV-250aand KAV-250aJ3Amplifiers Examplesof ConnectionScenarios, continued Multi Power ModeKAV-250aand KAV-250aJ3Amplifiers Amplifier Operation ON/OFF AND OPERATIONAmplifier Troubleshooting HOW TO TROUBLESHOOT SYSTEM NOISEQuestion and Answer KAV-250aand KAV-250a/3AmplifiersTo register your product for warranty benefits Warrantycomplete and return the Warranty 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