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A letter from dan d’agostino – Krell Industries Evolution User Manual

Page 5

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A Letter from Dan D’Agostino

Dear Audio Enthusiast,

Thank you for your purchase of a Krell Evolution Series amplifier.

Evolution Series amplifiers continue my quest for amplifiers that deliver absolute

truth in music reproduction. These four new models utilize Active Cascode

Topology, a unique circuit technique that minimizes distortion by applying from 2

to 3 times more active devices to each gain stage. Evolution Series amplifiers

bring the real-life dynamics and transparency for which Krell is famous, to a whole

new level.

Krell amplifiers are best known for their ability to drive any loudspeaker to sound

its best, without regard to impedance or efficiency. I believe that linearity, an

amplifier’s ability to output an exact duplicate of the input signal, is the ultimate

measure of that amplifier’s work. At Krell, I drive amplifier designs toward the com-

mon goal of linearity, through the rigorous application of Krell design principles

that focus our efforts on four major performance factors: distortion, bandwidth,

output impedance, and current capability. The Evolution Series amplifiers are a

synthesis of these factors.

The Evolution Series amplifiers use Evolution CAST technology, for superior per-

formance and very low noise.

I hope that you enjoy your new Evolution Series amplifier.

Sincerely,

Daniel D’Agostino

Chief Executive Officer