Manuals / Krell Industries / Home Audio / Stereo Amplifier

Krell Industries KAV2250, KAV 3250 manual KAV-2250, KAV-3250, Stereo Power Amplifier

Models: KAV 3250 KAV2250

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Krell Industries, Inc.

45 Connair Road

Orange, CT 06477-3650 USA

TEL 203-799-9954

FAX 203-891-2028 E-MAIL krell@krellonline.com WEBSITE http://www.krellonline.com

KAV–2250

Stereo Power Amplifier

KAV–3250

Three-channel Power Amplifier

v 01.2

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Krell Industries KAV2250, KAV 3250 manual KAV-2250, KAV-3250, Stereo Power Amplifier, Three-channel Power Amplifier

Contents

Stereo Power Amplifier Three-channel Power AmplifierInstructions for Use Owner’s Reference KAV-2250Instructions for Use KAV-2250 Stereo Power AmplifierThree-channel Power Amplifier KAV-3250Contents Illustrations PageIntroduction Krell KAV-2250 and KAV-3250CONFIGURATIONS Definition of TermsINPUT AND OUTPUT CONNECTIONS BridgingStand-by Mode Operational ModeKrell Current Mode OPERATIONUnpacking Placement AC POWER GUIDELINESSpecifications Power CordFigure 1 The KAV-2250 Front Panel Figure 2 The KAV-3250 Front PanelKAV-2250 KAV-32501 Power Button 3 Power IndicatorFront Panel Description 2 Stand-by LEDFigure 3 The KAV-2250 Back Panel Two-channel Power AmplifierThree-channel Power Amplifier PowerReconfiguration Options for the KAV-2250 and the KAV-3250 Back Panel DescriptionBalanced Inputs Single-ended InputsPower 11 12 VDC Remote Power Out12 12 VDC Remote Power In 13 IEC Power ConnectorConnecting the Amplifier to Your System Use only one input to each amplifier channel at a timeThe XLR pin configuration is described below Pin 1 Shield ground INPUT AND OUTPUT CONNECTIONSConnecting the Amplifier The amplifier is now ready for operation. SeeAmplifier Operation Reconfiguration Options for the KAV-2250 and the KAV-3250USING A DEDICATED WALL SWITCH Amplifier OperationON/OFF AND OPERATION off firstTroubleshooting System Noise TO SAFELY ACCESS THE INPUT SWITCH BANKS Warranty, on pagethe ONLY instance you are authorized to remove the cover ofKAV-3250 Figure 5 Amplifier Factory Default SettingsKAV-2250 Figure 6 Reconfiguring the KAV-2250 for MAT Operation Figure 7 Reconfiguring the KAV-3250 for MAT OperationSend One Input Signal Send One Input SignalAMPLIFIER FACTORY DEFAULT SETTINGS RECONFIGURING THE AMPLIFIER FOR MAT OPERATIONReconfiguration Options WarrantyReconfiguration Options Reconfiguring the KAV-3250 for MAT Send One Input Signal to All Three Output Channels via InputFigure 8 Reconfiguring the KAV-2250 for Bridged Operation Figure 9 Reconfiguring the KAV-3250 for Bridged OperationBridge Channel 1 and Bridge Channel 1 andRECONFIGURING THE AMPLIFIER FOR BRIDGED OPERATION unbridged channel on the KAV-3250normal operation Tighten binding posts by hand onlyloudsp Reconfiguration OptionsEXAMPLE OF A CONNECTION SCENARIO MULTI-POWER MODE Amplifier Operation Questions and AnswersConnecting the Amplifier to Your System Warranty If you have purchased your Krell product outside the U.S.AReturn Authorization Procedure To contact the Krell Service DepartmentFAX E-MAIL service@krellonline.com Krell KAV-2250 and KAV-3250Specifications KAV-2250KAV-3250 SpecificationsKrell KAV-2250 and KAV-3250 17.3w x 5.6h x 17.1d inStereo Power Amplifier Three-channel Power AmplifierKAV-2250 KAV-3250