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Krell Industries Evo 403 - 3647

Krell Industries Evo 403

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14.790,00 € 22.090,00 €
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Etapa de potencia multicanal 3 x 400 w a 8 Ohm.
*Ex-demo, descatalogado.


The Evolution 707 features 8.4 channels of output. An additional center channel output and three additional subwoofer outputs provide maximum flexibility in system design.

This new surround preamp/processor offers Dolby Digital Surround EX, Dolby Digital 5.1, DTS 6.1 ES, DTS 5.1, DTS NEO:6, Dolby Pro Logic II processing, in addition to 9 proprietary Krell Music Surround modes. A modular design allows upgrades to internal hardware and software for future surround sound formats and design enhancements.

Two Crystal digital signal processors, the CS49623 and the CS49302, perform all surround mode processing. Krell software upsamples all digital signals to 24-bit precision and operates these DSPs at 88 MHz. These advanced processors are further enhanced by the addition of Krell digital signal processing running from an additional 8 MB of external memory.

Digital processing circuitry runs in double precision mode at a word length of 48-bits for the most precise division of frequencies and optimization of the system's speaker/subwoofer combination. All 8.4 channels employ 24-bit/192KHz DACs.

The 12 output stages include the advanced signal path that was developed in the Evolution 202 Stereo Preamplifier. Each channel is fully balanced using Krell Current Mode topology in a zero feedback configuration. This design results in a staggering 1 MHz bandwidth. This extended bandwidth is critical for accurate reproduction of the current generation of movie soundtracks and high-resolution audio formats.

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

In Preamp mode, the Evolution 707 operates as a pure analog preamplifier. This configuration bypasses all digital circuitry and routes the analog input, stereo or 7.1 multi-channel, directly to the volume control for the purest path possible.

The broadcast quality signal path insures the most vivid color and detailed picture for analog and digital video signals. The all discrete video circuitry bandwidth is greater than 100 MHz which provides pristine pass-through of all progressive and wideband high definition signals including HDMI.

Control features includes bidirectional RS-232 communication, multiple 12VDC triggers, direct RC-5 input, and is Crestron I2P certified for use with touchpanel based systems.

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