Manuals / Krell Industries / Home Audio / Stereo Amplifier

Krell Industries KAV 3250, KAV2250 manual Contents

Models: KAV 3250 KAV2250

1 32

Page 3

Contents	Page
INTRODUCTION	1
DEFINITION OF TERMS	2
UNPACKING	4
PLACEMENT	5
AC Power Guidelines	5
FRONT PANEL DESCRIPTION	7
BACK PANEL DESCRIPTION	9
CONNECTING THE AMPLIFIER TO YOUR SYSTEM	11
Input and Output Connections	11
AMPLIFIER OPERATION	13
On/Off and Operation	13
Using a Dedicated Wall Switch	13
TROUBLESHOOTING SYSTEM NOISE	14
RECONFIGURATION OPTIONS FOR THE KAV–2250 AND KAV–3250	15
To Safely Access the Input Switch Banks	15
Amplifier Factory Default Settings	18
Reconfiguring the Amplifier for MAT Operation	18
Reconfiguring the Amplifier for Bridged Operation	21
Example of a Connection Scenario: Multi-power Mode	22
QUESTIONS AND ANSWERS	23
WARRANTY	24
RETURN AUTHORIZATION PROCEDURE	25
SPECIFICATIONS
KAV–2250	26
KAV–3250	27

Krell KAV–2250 and KAV–3250

iii

Page 3

Image 3

Contents

KAV-2250 Stereo Power AmplifierThree-channel Power Amplifier Instructions for Use Owner’s ReferenceKAV-3250 Instructions for UseKAV-2250 Stereo Power Amplifier Three-channel Power AmplifierContents Page IllustrationsKrell KAV-2250 and KAV-3250 IntroductionBridging CONFIGURATIONSDefinition of Terms INPUT AND OUTPUT CONNECTIONSOPERATION Stand-by ModeOperational Mode Krell Current ModeUnpacking Power Cord PlacementAC POWER GUIDELINES SpecificationsKAV-3250 Figure 1 The KAV-2250 Front PanelFigure 2 The KAV-3250 Front Panel KAV-22502 Stand-by LED 1 Power Button3 Power Indicator Front Panel DescriptionPower Figure 3 The KAV-2250 Back PanelTwo-channel Power Amplifier Three-channel Power AmplifierSingle-ended Inputs Reconfiguration Options for the KAV-2250 and the KAV-3250Back Panel Description Balanced Inputs13 IEC Power Connector Power11 12 VDC Remote Power Out 12 12 VDC Remote Power InINPUT AND OUTPUT CONNECTIONS Connecting the Amplifier to Your SystemUse only one input to each amplifier channel at a time The XLR pin configuration is described below Pin 1 Shield groundReconfiguration Options for the KAV-2250 and the KAV-3250 Connecting the AmplifierThe amplifier is now ready for operation. See Amplifier Operationoff first USING A DEDICATED WALL SWITCHAmplifier Operation ON/OFF AND OPERATIONTroubleshooting System Noise instance you are authorized to remove the cover of TO SAFELY ACCESS THE INPUT SWITCH BANKSWarranty, on page the ONLYFigure 5 Amplifier Factory Default Settings KAV-2250KAV-3250 Send One Input Signal Figure 6 Reconfiguring the KAV-2250 for MAT OperationFigure 7 Reconfiguring the KAV-3250 for MAT Operation Send One Input SignalWarranty AMPLIFIER FACTORY DEFAULT SETTINGSRECONFIGURING THE AMPLIFIER FOR MAT OPERATION Reconfiguration OptionsReconfiguring the KAV-3250 for MAT Send One Input Signal to All Three Output Channels via Input Reconfiguration OptionsBridge Channel 1 and Figure 8 Reconfiguring the KAV-2250 for Bridged OperationFigure 9 Reconfiguring the KAV-3250 for Bridged Operation Bridge Channel 1 andTighten binding posts by hand only RECONFIGURING THE AMPLIFIER FOR BRIDGED OPERATIONunbridged channel on the KAV-3250 normal operationReconfiguration Options EXAMPLE OF A CONNECTION SCENARIO MULTI-POWER MODEloudsp Questions and Answers Connecting the Amplifier to Your SystemAmplifier Operation If you have purchased your Krell product outside the U.S.A WarrantyKrell KAV-2250 and KAV-3250 Return Authorization ProcedureTo contact the Krell Service Department FAX E-MAIL service@krellonline.comKAV-2250 Specifications17.3w x 5.6h x 17.1d in KAV-3250Specifications Krell KAV-2250 and KAV-3250KAV-3250 Stereo Power AmplifierThree-channel Power Amplifier KAV-2250