Krell Industries KAV400xi manual Introduction

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Introduction

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. All circuits up to the driver stage are pure Class A.

Krell’s new surface mount technology (SMT) means that the KAV–400xi is an integrated amplifier with big power—200 Watts per channel—that does not require big space. SMT allows individ- ual 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–400xi is easy to operate and integrate into your system. The remote control accesses all amplifier functions, and remote control connection options allow the KAV–400xi to be easily con- nected 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–400xi. Please read this information carefully. A thorough understanding of these details will help ensure satisfactory operation and long life for your KAV–400xi and related system components.

Krell KAV–400xi

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Contents Instructions for Use Owner’s Reference Information ContactContents Illustrations Introduction Operation ConfigurationsDefinition of Terms Technology Krell Current ModePlastic wrapping UnpackingPower Cord PlacementKAV-400xi Front Panel Power Analog Front Panel/Remote Control DescriptionFunctions Mode IndicatorsVolume Adjustment Battery Installation and Removal Remote Control OnlyRemote Control Only Functions PowerFunction Bal Balance KeysKAV-400xi Back Panel Analog Inputs Analog Outputs Remote Connections Back Panel DescriptionAmplifier Channel Outputs AGC 8 Fuses IEC ConnectorLine Fuse Connection Steps Using Balanced ConnectionsAmplifier Operation Operating Your KAV-400xiTape Input and Output HOW to Activate AN Input for Theater Throughput Optional ConfigurationsPreamplifier Output How to Troubleshoot System Noise Questions and Answers Warranty Return Authorization Procedure Output Power SIGNAL-TO-NOISE RatioPower Consumption Remote Control

KAV400xi specifications

Krell Industries is renowned for its high-performance audio equipment, and the KAV-400xi integrated amplifier stands as a testament to the company's dedication to sound quality and cutting-edge technology. Weighing in at a hefty 65 pounds, the KAV-400xi is designed with a robust construction that not only ensures durability but also minimizes resonance, helping to deliver pure sound untainted by unwanted vibrations.

One of the standout features of the KAV-400xi is its high power output. With an impressive 200 watts per channel into 8 ohms, and even more power available when driving lower impedances, this amplifier is capable of driving a wide range of speakers with ease. This means that whether you are using a modest bookshelf speaker or a more demanding floor-standing model, the KAV-400xi can deliver a dynamic range of sound that will resonate throughout your listening space.

The KAV-400xi also integrates advanced technologies such as Krell's proprietary Current Mode Amplification. This design philosophy enables the amplifier to respond more quickly to changes in the audio signal, resulting in improved transient response and overall clarity. As a result, listeners can expect a more engaging soundstage that captures the subtle nuances of their favorite recordings.

Additionally, the KAV-400xi features a fully balanced design, minimizing the potential for noise interference and ensuring that the sound remains pure and unaffected by external factors. The inclusion of both XLR and RCA inputs allows for versatile connectivity options, accommodating a variety of source components while maintaining high signal integrity.

Another noteworthy characteristic is the integrated digital signal processing (DSP), which optimizes the audio output for different environments. This feature is invaluable for listeners who want to tailor their sound experience based on room acoustics, ensuring the best audio performance regardless of the space.

The build quality of the KAV-400xi is evident through its attention to detail, featuring a sleek front panel, a large volume control knob, and a clear display that showcases operational metrics. In addition, the amplifier is equipped with a high-quality thermal management system to maintain optimal performance without overheating, even during prolonged listening sessions.

In summary, the Krell KAV-400xi integrated amplifier exemplifies high-fidelity audio performance, combining powerful amplification, advanced technologies, and exemplary build quality. This amplifier is an exceptional choice for audiophiles seeking to enhance their sound systems and enjoy a superior listening experience. Whether used in a dedicated home theater or a multi-room audio setup, the KAV-400xi stands ready to meet the demands of discerning music lovers everywhere.
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