Return Authorization Procedure

If you believe there is a problem with your com- ponent, please contact your dealer, distributor, or the Krell factory to discuss the problem before you return the component for repair. To expedite service, you may wish to complete and e-mail the Service Request Form in the Service Section of our website at:

www.krellonline.com

To contact the Krell Service Department

TEL 203-799-9954 Monday-Friday

9:00 AM to 5:00 PM EST

FAX 203-799-9796

E-MAIL service@krellonline.com

WEBSITE www.krellonline.com

Full Power Balanced X Series Amplifier

PRODUCT NAME

MODEL NUMBER

SERIAL NUMBER

To return this product to Krell, please follow this procedure so that we may serve you better:

1.Obtain a Return Authorization Number (R/A number) and shipping address from the Krell Service Department.

2.Insure and accept all liability for loss of or damage to this product during shipment to the Krell factory and prepay all shipping charges. Please see the Warranty page in this manual, concerning liability for shipping damage and shipping charges.

This product may also be hand delivered if arrangements with the Service Department have been made in advance. Proof of purchase may be required for warranty validation at the time of hand delivery.

IMPORTANT

Use the original packaging to ensure safe tran- sit of this product to the dealer, distributor, or factory. Krell may, at its discretion, return this product in new packaging and bill the owner for such packaging if the product received by Krell was boxed in non-standard packaging or if the original packaging was so damaged that it was unusable. If Krell determines that new packag- ing is required, the owner will be notified before this product is returned.

To purchase additional packaging, please con- tact your authorized Krell dealer, distributor, or the Krell Service Department.

Krell Full Power Balanced X Series Power Amplifiers

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Krell Industries 700cx, 400cx, 300cx, 750Mcx, 450Mcx, 350Mcx manual Return Authorization Procedure

700cx, 400cx, 300cx, 750Mcx, 450Mcx, 350Mcx, 700cx, 400cx, 450Mcx, 350Mcx specifications

Krell Industries is renowned for its high-performance audio equipment, particularly its line of powerful amplifiers that deliver premium sound quality. Among these, the 450Mcx, 700cx, 400cx, 350Mcx, and 750Mcx models stand out for their robust capabilities and advanced technologies, making them popular choices for audiophiles.

The 450Mcx is a class AB power amplifier capable of delivering an impressive 450 watts per channel into 8 ohms. This model is equipped with Krell's signature current-mode topology, which ensures a high level of linearity and a dramatic reduction in distortion. With a heavy-duty construction, including a massive power supply, the 450Mcx offers deep bass response and engaging midrange clarity.

Next in line is the 700cx, which pushes boundaries with 700 watts per channel. This amplifier features Krell's Advanced Power Supply (APS) technology, enabling it to maintain stability even under the most demanding speaker loads. The result is explosive dynamics and captivating detail, delivering a listening experience that is both immersive and exhilarating.

The 400cx is designed for versatility, providing 400 watts per channel in a compact form. This model utilizes Krell's patented CAST technology, which minimizes signal degradation, ensuring that the audio signal retains its integrity from input to output. It is ideal for both home theater and stereo applications, allowing users to enjoy a rich sonic palette.

The 350Mcx, while delivering a powerful 350 watts per channel, is designed with a focus on reliability and heat dissipation. The dual-transformer design and sophisticated thermal management system ensure consistent performance, even during prolonged usage. It embodies Krell's commitment to sound fidelity and performance longevity.

The 750Mcx takes performance to the next level with remarkable output capabilities. This amplifier is built with multiple output devices in a high-current configuration, designed to drive even the most challenging loudspeakers. Its refined circuitry contributes to a soundstage that is both wide and deep, enriching the listening experience.

In addition to these models, Krell also offers the 300cx and the 350Mcx, both designed to cater to a variety of audio preferences and configurations. Each unit is meticulously engineered to deliver ultrasensitive dynamics and a transparency that brings recordings to life.

These Krell amplifiers not only emphasize power and performance, but they also showcase luxurious design and durability. The combination of advanced technologies, such as current mode and APS, ensures that users receive a premium audio experience that stands the test of time. Whether for professional use or high-end home listening, Krell amplifiers are truly an investment in quality sound.