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45 Connair Road Orange, CT 06477-3650 USA TEL 203-799-9954 FAX 203-891-2028 E-MAIL krell@krellonline.com WEBSITE This product complies with the EMC directive (89/336/EEC) and the low-voltage directive (73/23/EEC). Do not place the integrated amplifier where it could be exposed to dripping or splashing. The ventilation grids on the top and bottom of the KAV–300iL must be unobstructed at all times during operation. Do not place flammable material on top of or beneath the component. When making connections to this or any other component, make sure all components are off. Turn off all systems’ power before connecting the KAV–300iL to any other component. Make sure all cable terminations are of the highest quality, free from frayed ends, short circuits, or cold solder joints. THERE ARE NO USER-SERVICEABLE PARTS INSIDE ANY KRELL PRODUCT. Please contact your authorized 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. Krell Current Mode™ and Theater Throughput™ are trademarks of Krell Industries, Inc. All other trademarks and tradenames are registered to their respective companies. © 2001 by Krell Industries, Inc. All rights reserved P/N 305219 Contents Page INTRODUCTION 1 DEFINITION OF TERMS 2 UNPACKING 4 PLACEMENT 5 AC Power Guidelines 5 Power Cord 5 FRONT PANEL DESCRIPTION 7 BACK PANEL DESCRIPTION 10 REMOTE CONTROL DESCRIPTION 13 Battery Installation and Removal 13 Remote Control Functions 13 CONNECTING THE KAV–300iL TO YOUR SYSTEM 15 Connection Steps 15 OPERATING YOUR KAV–300iL 16 Amplifier Operation 16 Tape Input and Output 17 OPTIONAL CONFIGURATIONS 18 Configuring the KAV–300iL for Theater Throughput 18 HOW TO TROUBLESHOOT SYSTEM NOISE 20 QUESTIONS AND ANSWERS 21 WARRANTY 22 RETURN AUTHORIZATION PROCEDURE 23 SPECIFICATIONS Back Cover Krell KAV–300iL Illustrations Illustrations FIGURE 1 The KAV–300iL Front Panel 6 FIGURE 2 The KAV–300iL Back Panel 9 FIGURE 3 The KAV–300iL Remote Control 12 Krell KAV–300iL Introduction Introduction amplifier has a fully balanced signal path from input to output and employs a wide bandwidth design with low negative feedback for sonic accuracy throughout the frequency spectrum. All circuits up to the driver stage are pure Class A. Krell’s new surface mount technology (SMT) means that the KAV–300iL is an integrated amplifier with big power—200 Watts per channel—that does not require big space. SMT allows individual circuit elements to be placed very close together. This shortens signal paths and allows circuit elements to operate at the same temperature, resulting in more accurate signal transfer and enhanced reliablilty. The KAV–300iL is easy to operate and integrate into your system. The remote control accesses all amplifier functions, and remote control connection options allow the KAV–300iL to be easily connected with other components. The Theater Throughput feature provides easy integration of the amplifier into a home theater system. This owner’s reference manual contains important information on the placement, installation, and operation of the KAV–300iL. Please read this information carefully. A thorough understanding of these details will help ensure satisfactory operation and long life for your KAV–300iL and related system components. Krell KAV–300iL Definition of Terms CONFIGURATIONS INPUT AND OUTPUT CONNECTIONS OPERATION Following are the definitions of key terms used in your owner’s reference manual. Theater Throughput Theater Throughput is a Krell configuration option that allows the signal from a surround preamp/processor to pass through a Krell preamplifier or integrated amplifier with no gain, for integrated volume and balance management of Krell home theater systems. Balanced A symmetrical input or output circuit that has equal impedance from both input terminals to a common ground reference point. The industry standard for professional and sound recording installations, balanced connections have 6 dB more gain than single- ended connections and allow the use of long interconnect cables. Balanced connections are completely immune to induced noise from the system or the environment. Single-ended A two-wire input or output circuit. Use care when using single- ended connections as the ground connection is made last and broken first. Turn the system off prior to making or breaking single- ended connections. Single-ended connections are not recommended for connections requiring long cable runs. Off The component is off when the AC power cord is unplugged from the wall receptacle. Stand-by Mode A low power consumption status that keeps the audio circuits at idle. When you plug the AC power cord into the wall receptacle, the red stand-by LED illuminates. The component is now ready to b...