Stereo Amplifiers
Krell Evo 402e
Krell Stereo Amplifier

Price: $ 18,500.00 / Each

  Warranty and considerations:
Mail order? This Krell product is not available mail order. If you do not have a local dealer, please contact us, we can usually get Krell to allow us offer you their products.
The Evolution Series continues to expand, and now offers six powerful amplifier models. Stereo components include the new Evolution 302 as well as the Evolution 402 amplifier. The Evolution 403 is a three-channel amplifier and the Evolution 400, 600, and 900 are monaural amplifiers. Two monaural amplifiers are required for stereo operation.


Evolution 302 Stereo Amplifier 300, 600, 1200 wpc (8, 4, 2 ohms)
Evolution 402 Stereo Amplifier 400, 800, 1600 wpc (8, 4, 2 ohms)
Evolution 402 Three-Channel Amplifier 400, 800, 1600 wpc (8, 4, 2 ohms)

Active Cascode Topology eliminates global negative feedback, only nested local feedback is employed around individual gain blocks. The result is an extraordinarily open, liquid, effortless sound.

The signal path incorporates Krell Current Mode and CAST circuitry using proprietary multiple-output current mirrors in a complementary and balanced arrangement for extraordinary open loop linearity.

Evolution circuit topology breaks through bandwidth limitations of conventional designs resulting in near perfect performance in the audible range.

A complete Evolution (source, preamplifier, amplifier) system, connected in CAST, reduces the number of voltage gain stages to the minimum, one. The resulting noise floor is approaching the theoretical limit of technology.

All Evolution amplifiers feature massive power supplies with the
Evolution 402 and Evolution 600 equipped with a 5000 VA power supply and the Evolution 403 and Evolution 900 housing 6000 VA power supplies.

The power supply makes use of extensive electrical and magnetic shielding to keep radiated interference out of critical amplifier circuits.

Internal high current line conditioning circuitry filters RF noise on the AC mains, as well as compensating for asymmetric power waveforms and DC on the mains.
The rails powering the amplifiers' low level and gain stages are regulated twice for total immunity from fluctuations in the AC mains and virtually noise-free output.

Advanced microprocessor control monitors critical operational parameters.

Bias, load impedance, regulator output voltages and operating temperature are all continuously monitored

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Spearit Sound
351 Pleasant Street
Northampton, MA 01060
United States
Ph: 413-584-9547
Fax: 413-585-5139
e-mail: jtozzi@spearitsound.com

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