Krell kav 250 a owners manual
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Page 1
KAV-250a Stereo Power Amplifier and KAV-250a/3 Three-Channel Power Amplifier Instructions for Use, v 99.2 Cover: KAV-250a/3 Three-Channel Power Amplifier Krell Industries, Inc. 45 Connair Road Orange, CT 06477-3650 USA TEL 203-799-9954 FAX 203-799-9796 E-MAIL krell @ krellonline.com WEBSITE http://www.krellonline.com This product complies with the EMC directive (89/336/EEC) and the low-voltage directive (73/23/EEC). WARNINGS The amplifier must be placed on a firm, level surface where it is not exposed to dripping or splashing. The ventilation grids on the top of the amplifier and the space underneath the amplifier must be unobstructed at all times during operation. Do not place flammable material above or beneath the amplifier. Contact your authorized Krell dealer, distributor, or Krell before using any devices designed to alter or stabilize the AC power for the KA V-250a or KA V-250a/3. Before connecting the KA V-250a or KA V-250a/3, make sure the amplifier is off and any output device (such as a preamplifier) is in mute or stand-by mode. Make sure all cable terminations are of the highest quality and free from frayed ends, short circuits, or cold solder joints. Use only one set of inputs to the amplifier at a time. After reconfiguring for MAT, do not use more than one input at the same time. After bridging, do not use both inputs at the same time. THERE ARE NO USER SERVICEABLE PARTS INSIDE ANY KRELL PRODUCT Please contact your authorized Krell dealer, distributor, or Krell if you have any questions not addressed in this reference manual. This product is manufactured in the United States of America. Krell ® is a registered trademark of Krell Industries, Inc., and is restricted for use by Krell Industries, Inc., its subsidiaries, and authorized agents. Multi Amp Throughput TM is a trademark of Krell Industries, Inc. All other trademarks and tradenames are registered to their respective companies. © 1999 by Krell Industries, Inc. All rights reserved P/N: I960101710688
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Contents INTRODUCTION ' DEFINITION OF TERMS UNPACKING PLACEMENT AC Power Guidelines FRONT PANEL DESCRIPTION: KAV-250a BACK PANEL DESCRIPTION: KAV-250a FRONT PANEL DESCRIPTION: KAV-250a/3 BACK PANEL DESCRIPTION: KAV-250a/3 CONNECTING THE KAV-250a or KAV-250aJ3 AMPLIFIER TO YOUR SYSTEM Input and Output Connections OPTIONAL SYSTEM CONFIGURATIONS Multi Amp Throughput Bridged Operation Examples of Connection Scenarios AMPLIFIER OPERATION On/Off and Operation AMPLIFIER TROUBLESHOOTING How to Troubleshoot System Noise QUESTION AND ANSWER WARRANTY RETURN AUTHORIZATION PROCEDURE SPECIFICATIONS Page 1 1 2 3 3 5 7 10 12 14 14 15 15 20 22 25 25 26 26 27 28 29 30 KAV-250a and KAV-250a/3 Amplifiers iii