Related Manuals for Krell Industries KAV-400xi
Summary of Contents for Krell Industries KAV-400xi
- Page 1 KAV– 400xi Remote Control THE LEADER IN AUDIO ENGINEERING Integrated Amplifier Instructions for Use Owner’s Reference...
- Page 2 This product is manufactured in the United States of America. 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 trade- marks and tradenames are registered to their respective companies.
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Page 3: Table Of Contents
Contents Krell KAV–400xi INTRODUCTION DEFINITION OF TERMS UNPACKING PLACEMENT AC Power Guidelines Power Cord FRONT PANEL / REMOTE CONTROL DESCRIPTION REMOTE CONTROL ONLY Battery Installation and Removal Remote Control Only Functions BACK PANEL DESCRIPTION CONNECTING THE KAV– 400xi TO YOUR SYSTEM Connection Steps OPERATING YOUR KAV–... - Page 4 Illustrations FIGURE 1 The KAV– 400xi Front Panel FIGURE 2 The KAV– 400xi Remote Control FIGURE 3 The KAV– 400xi Back Panel Page Krell KAV–400xi...
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Page 5: Introduction
Introduction Krell KAV–400xi Thank you for your purchase of the Krell KAV–400xi Remote Control Integrated Amplifier. This fully integrated amplifier and pre- 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. -
Page 6: Definition Of Terms
Definition of Terms CONFIGURATIONS INPUT AND OUTPUT CONNECTIONS OPERATION Following are the definitions of key terms used in your owner’s ref- erence 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 vol- ume and balance management of Krell home theater systems. - Page 7 Definition of Terms, continued TECHNOLOGY Krell KAV–400xi Krell Current Mode A proprietary Krell circuit topology in which the audio gain stages of a component operate in the current rather than voltage domain. This unique technology provides the component with exceptional speed and a wide bandwidth.
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Page 8: Unpacking
Unpacking Notes Follow these steps to safely unpack the KAV–400xi: Open the shipping box and remove the top layer of foam. The KAV–400xi and the KAV–400xi accessory kit containing the following items are visible: 1 AC power cord 1 12 VDC (12 V trigger) cable 2 spare loudspeaker fuses (AGC 8) 1 KAV–400xi remote control 1 CR2025 lithium battery... -
Page 9: Placement
Placement AC Power Guidelines Power Cord Krell KAV–400xi Before you install the KAV–400xi into your system, review the fol- lowing guidelines to choose the location for the KAV–400xi. This will facilitate a clean, trouble-free installation. The KAV–400xi does not require any type of special rack or cabinet for installation. For the dimensions of the KAV–400xi, see Specifications, on the back cover. - Page 10 Figure 1 The KAV–400xi Front Panel KAV–400xi Power Power Button Power LED Stand-by LED Infrared Sensor Pre Key (Remote) Analog Devices S-1, S-2, S-3, and B-1, Buttons, Keys and LEDs Tape Button or Key Tape LED Mode Indicators Mute Button or Key Mute LED Volume Adjustment Functions...
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Page 11: Front Panel/Remote Control Description
Front Panel/Remote Control Description See Figures 1 and 2 on page 6 POWER ANALOG SOURCE COMPONENTS Krell KAV–400xi Power, analog input selections, and volume control accessed via the front panel of the KAV–400xi are described in the illustration legend below. The front panel display shows volume and balance levels, and Theater Throughput status. - Page 12 Front Panel Description, continued MODE INDICATORS VOLUME ADJUSTMENT FUNCTIONS 8 Mute Button or Key Use this button to interrupt the signal of the input you have select- ed. To unmute, press the mute button again. 9 Mute LED The red mute LED illuminates when you press the mute button on the front panel or the mute key on the remote control (8).
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Page 13: Remote Control Only
Remote Control Only See Figure 2 on page 6 Battery Installation Removal Note Notes Remote Control Only Functions POWER Krell KAV–400xi The KAV–400xi remote control uses one CR2025 lithium battery, which is included with the shipment. To open the battery compartment on the back of the remote control: Place the remote face down on the table. - Page 14 Remote Control Functions, continued VOLUME ADJUSTMENT FUNCTION Note 13 Bal (Balance) Keys Use these keys to shift the balance to the left or the right channel. Balance level is indicated in the front panel display (11). To display balance, push any key on the remote. The front panel display indicates: when the system is balanced.
- Page 15 Figure 3 The KAV–400xi Back Panel B – 1 RIGHT RIGHT OUTPUT FUSE AGC 8 NO USER SERVICEABLE PARTS INSIDE 24 14 Amplifier Channel Outputs Left and Right Loudspeaker Outputs Analog Inputs Left and Right Balanced Analog Inputs Left and Right Single- ended Analog Inputs Left and Right Tape Inputs Analog Outputs...
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Page 16: Back Panel Description
Back Panel Description See Figure 3 on page 11 AMPLIFIER CHANNEL OUTPUTS ANALOG INPUTS ANALOG OUTPUTS REMOTE CONNECTIONS The KAV–400xi back panel provides connections for all inputs and outputs, power on/off, and additional remote connections. 14 Left and Right Loudspeaker Outputs The KAV–400xi is equipped with standard binding posts for each amplifier channel. - Page 17 Back Panel Description, continued Remote Connections, continued Notes POWER Note Krell KAV–400xi In. The input receives 12 VDC (12 V trigger) power on/off signals from other Krell components and other devices that incorporate a 12 V trigger. The 12 VDC output current is limited to 30 ma. Consult the owner’s reference of the components used in a custom installation to take full advantage of the remote capability of the KAV–...
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Page 18: Connecting The Kav- 400Xi To Your System
Connecting the KAV– 400xi to Your System USING BALANCED CONNECTIONS Connection Steps Pin assignments for the XLR connectors Krell recommends using balanced interconnect cables. Balanced interconnect cables not only can minimize sonic loss but are also immune to induced noise, especially with installations using long cables. -
Page 19: Operating Your Kav- 400Xi
Operating Your KAV– 400xi Amplifier Operation Note ON/OFF AND STAND-BY OPERATION Krell KAV–400xi This section provides information about operating the KAV–400xi. The KAV–400xi provides basic input selection and volume control operation from the front panel. The remote control includes addi- tional preamplifier and volume functions as well as compact disc transport and amplifier controls. -
Page 20: Tape Input And Output
Operating Your KAV– 400xi, continued ON/OFF AND STAND-BY OPERATION, continued Tape Input and Output Note Start playing the source. Set the volume to a comfortable listening level using the level knob on the front panel or the level keys on the remote control (10). -
Page 21: Optional Configurations
Optional Configurations Configuring the KAV–400xi for Theater Throughput HOW TO ACTIVATE AN INPUT FOR THEATER THROUGHPUT IMPORTANT HOW TO DISENGAGE AN INPUT FOR THEATER THROUGHPUT Krell KAV–400xi To simplify the integration of an audio/video surround sound processor into your system, set any input on the KAV–400xi (S-1, S-2, S-3, or B-1) to operate as a unity gain stage. -
Page 22: Preamplifier Output
Optional Configurations, continued Preamplifier Output Note The KAV–400xi is equipped with a pair of single-ended preamplifi- er outputs (19). These outputs enable the KAV–400xi to be used as a preamplifier when it is connected to a separate amplifier. The amplifier channel outputs are always active, even when the KAV–... -
Page 23: How To Troubleshoot System Noise
How to Troubleshoot System Noise Krell KAV–400xi AC grounding becomes critical when connecting high performance audio components. When you mix and match audio components, each with its own ground potential, a low frequency hum may occur in one or both loudspeakers. This sometimes occurs when introducing a new component into a system. -
Page 24: Questions And Answers
Questions and Answers Should I leave my KAV–400xi on at all times? Krell recommends leaving the amplifier in the stand-by mode, ready to play music. If you are not going to play music for a long time, you may disconnect the amplifier from AC power supply. -
Page 25: Warranty
Warranty To register your product for warranty benefits, please complete and return the Warranty Registration Card enclosed in the ship- ping box within 15 days of purchase. Thank you. Krell KAV–400xi This Krell product has a limited warranty of five years for parts and labor on circuitry. Should this product fail to perform at any time during the warranty, Krell will repair it at no cost to the owner, except as set forth in this warranty. -
Page 26: Return Authorization Procedure
Return Authorization Procedure HOW TO EXPEDITE SERVICE HOW TO RETURN A PRODUCT IMPORTANT HOW TO PURCHASE ADDITIONAL PACKING If you believe there is a problem with your component, please con- tact your dealer, distributor, or the Krell factory to discuss the problem before you return the component for repair. -
Page 27: Specifications
Krell Industries, Inc. 45 Connair Road Orange, CT 06477-3650 USA TEL 203-799-9954, FAX 203-891-2028 E-MAIL krell@krellonline.com WEB SITE www.krellonline.com Specifications All operational features, functions, specifications, and policies are subject to change without notification. FREQUENCY RESPONSE 20 Hz–20 kHz +0 dB, -0.07 dB SIGNAL-TO-NOISE RATIO “A”...