Krell Industries KAV400xi manual Operating Your KAV-400xi, Amplifier Operation

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Operating Your KAV–400xi

Amplifier Operation

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. See Remote Control Only, on page 9, for more information.

After the KAV–400xi is connected to AC power and in the stand-by mode, use the power button or key (1) to switch the component to the operational mode. The blue power LED (2) illuminates.

The KAV–400xi Remote Control Integrated Amplifier is easy to operate. However, great care should be exercised when operating a system that includes the KAV–400xi, because of the amplifier’s power output. Switching between active sources without muting the preamplifier output, or bumping/miscuing a device, can gener- ate large transients at low frequencies. The KAV–400xi may gen- erate enough power with these transients to damage most loud- speakers. To avoid damage, be sure to switch all sources with the preamplifier level either muted or fully attenuated. Do not change inputs to the amplifier while the amplifier is on.

Note

Krell amplifiers have large reserves of clean power and can safely drive

 

loudspeakers to higher sound pressure levels than other amplifiers.

 

However, use care when setting high playback levels and lower the vol-

 

ume level at any sign of loudspeaker distress.

ON/OFF AND STAND-BY OPERATION

When powering up any system, always turn amplifiers on last. When powering down, always turn amplifiers off first.

1.When the amplifier is in stand-by mode, with the red stand-by LED (3) illuminated, turn the amplifier on by pressing the power button on the front panel or the power key on the remote control (1). There is an audible click. The blue power LED (2) illuminates, and the red stand-by LED (3) turns off. The KAV–400xi is now in the operational mode.

2.With the amplifier in the mute position, or the volume control fully attenuated, select a source from the front panel or the remote control (5).

Krell KAV–400xi

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Contents Instructions for Use Owner’s Reference Information ContactContents Illustrations Introduction Definition of Terms ConfigurationsOperation Technology Krell Current ModePlastic wrapping UnpackingPower Cord PlacementKAV-400xi Front Panel Power Analog Front Panel/Remote Control DescriptionVolume Adjustment Mode IndicatorsFunctions Power Remote Control OnlyBattery Installation and Removal Remote Control Only FunctionsFunction Bal Balance KeysKAV-400xi Back Panel Amplifier Channel Outputs Back Panel DescriptionAnalog Inputs Analog Outputs Remote Connections Line Fuse IEC ConnectorAGC 8 Fuses 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 Remote Control SIGNAL-TO-NOISE RatioOutput Power Power Consumption

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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