CE Marking

This product complieswith the EMCdirec- tive (89/336/EEC) and the low-voltage directive (73/23/EEC).

Introduction

®

Thankyou for your purchaseof the Krell KAV-150a Power Amplifier. The name Krell ®has always represented components that are the premier performers in their product categories. The KAV-150apower amplifier continuesin this Krell®tradition

The KAV-150ais a stereo amplifier that maybe bridged into monauraloperation. Designed as a compact component with exceptional sound, the KAV-150amaybe interfaced easily into multi-amplifier sys- temsusing the 12 V trigger andthe bridg- ing capability. The KAV-150auses proven Krell®circuitsbuilt with the samehigh qual- ity resistors, output devices, andinternal electrical componentsused in all other Krell®products.Frominput to output, the KAV-150auses discrete, fully complemen- tary circuitry. All circuits up to the driver stage operate in pure Class A. The KAV-150a employs a wide bandwidth designwith a very low negativefeedbackfor sonic accuracy throughout the frequency spectrum.

This owner's reference manualcontains important information on the placement, installation, andoperationsof the KAV-150a. Please read this information carefully. A thorough understanding of these details will help insure satisfactory operationanda long life for the KAV-150aandrelated sys- tem components.

The KAV-150ais backed by a comprehen- sive customersatisfaction policy and one of the mostadvancedservice facilities in the industry. For detailed information on the termsandconditions of service, please

consult your warrantyregistration card, or ®.

contact your dealer, distributor, or Krell

Unpacking

1.Openthe boxandremovethe top layer of foam.Youwill seetheseitems:

1 KAV-150a

1 AC power cord

2spare speaker fuses

1packetcontaining an introductory letter fromDanD'Agostino,C.E.O., the Owner'sReferenceand the WarrantyRegistration Card

Note

ffanyof theseitemsare not included,please contactyour authorizedKrel/~ dea/eror dis- tributor immediate/yfor assistance.

2.Carefully removethe unit and acces- sories from the box. Removethe protec- tive plastic wrapfromthe unit.

Note

Saveall packingmaterials, ff you must ship your KAV-150ain the future, repack the unit in its original packagingto prevent transit damage.

THERE ARE NO USER-SERVICEABLE

®

PARTSINSIDE ANY KRELL PRODUCT

Pleasecontact yourauthorizeddealer, distributor, or KrelP, if youhaveany questionsnot addressedin this refer- ence manual.

KRELL® KAV-150a

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Krell Industries KAV-150a manual CE Marking, Introduction, Unpacking

KAV-150a specifications

The Krell Industries KAV-150a is a powerful amplifier that has gained a dedicated following among audiophiles and home audio enthusiasts. Renowned for its robust build quality and exceptional audio performance, the KAV-150a delivers an immersive listening experience that highlights the best in music reproduction.

One of the most striking features of the KAV-150a is its Class A/B amplification design. This architecture combines the advantages of both Class A and Class B operation, allowing the amplifier to provide high power output while maintaining low distortion levels. The KAV-150a is capable of delivering 150 watts per channel into 8 ohms, and the power increases to 300 watts per channel at 4 ohms, making it suitable for driving a wide variety of loudspeakers.

Another key characteristic of the KAV-150a is its fully balanced input circuitry. Utilizing balanced XLR inputs, the amplifier minimizes noise and interference, preserving the integrity of the audio signal throughout the amplification process. This design choice is critical for maintaining clarity, particularly in complex musical passages or dynamic soundscapes.

The KAV-150a also features a unique heat dissipation system, which incorporates a toroidal transformer and large heatsinks to ensure efficient cooling. This feature helps to maintain consistent performance during extended listening sessions, preventing overheating and enabling the amplifier to operate reliably under high-demand conditions.

In terms of build quality, Krell is known for their solid construction, and the KAV-150a is no exception. It boasts a durable chassis that not only enhances its aesthetic appeal but also contributes to its resistance to vibrations that could adversely affect sound quality.

Moreover, the KAV-150a includes various input options that cater to different audio setups, making it versatile enough to integrate easily into most home audio systems. Its user-friendly design allows for straightforward connections and adjustments, whether using traditional analog sources or digital components.

In conclusion, the Krell Industries KAV-150a stands out in the market for its impressive combination of power, clarity, and build quality. Audiophiles and music lovers seeking an amplifier that delivers faithful sound reproduction will find the KAV-150a to be a worthy investment, capable of enhancing their overall listening experience across a broad spectrum of music genres. With its advanced technological features and solid engineering, the KAV-150a continues to be a favored choice among high-end audio enthusiasts.