Krell theatre amplifier standard owners manual
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Theater Amplifier Standard Multichannel Amplifier Instructions for Use v 02.0Krell 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 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™ and Krell Current Mode™ are trademarks of Krell Industries, Inc. All other trademarks and tradenames are registered to their respective companies. 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, bottom, and sides of 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 stabi- lize the AC power for the Theater Amplifier Standard. Before connecting the Theater Amplifier Standard, make sure the amplifier is turned 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. Make sure that only one switch on an input switch bank is in the up (on) position at one time. Do not connect the multichannel (DB-25) input and the single-ended or balanced 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. ©2001 by Krell Industries, Inc. All rights reservedP/N 305221
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Krell Theater Amplifier Standard iii Contents Page INTRODUCTION 1 DEFINITION OF TERMS 2 UNPACKING 4 PLACEMENT 5 AC Power Guidelines 5 FRONT PANEL DESCRIPTION: THEATER AMPLIFIER STANDARD 7 BACK PANEL DESCRIPTION: THEATER AMPLIFIER STANDARD 9 CONNECTING THE THEATER AMPLIFIER STANDARD 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 THEATER AMPLIFIER STANDARD 15 To Safely Access the Input Switch Banks 15 Amplifier Factory Default Settings 18 Reconfiguring the Theater Amplifier Standard for MAT Operation 18 Reconfiguring the Theater Amplifier Standard for Bridged Operation 22 Reconfiguring the Theater Amplifier Standard for Combined MAT and Bridged Operation 24 Example of a Connection Scenario: Multi-power Mode 25 QUESTIONS AND ANSWERS 27 WARRANTY 28 RETURN AUTHORIZATION PROCEDURE 29 SPECIFICATIONS 30