The Master Series
Models: Master Reference Amplifiers
Master Reference Subwoofer
with Krell CAST Technology
The Master Reference Amplifier
Master Reference Amplifiers bring a new level of performance to sound reproduction and elevate the listening experience to unprecedented heights. Innovative technology controls the vast power generated by the amplifiers: Krell CAST circuitry is featured for unparalleled sound reproduction and the most accurate signal transfer between analog components. Core technologies have been enhanced for exceptional power, control, and performance. These amplifiers build on the Krell legacy, providing a superabundance of power with unprecedented control and accuracy, ensuring maximum performance with any loudspeaker system.
Highlights
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Featuring Krell CAST circuitry for unparalleled sound reproduction and the most accurate signal transfer between analog components
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216 proprietary Krell output transistors and 64 identical power regulator transistors enable flawless power output under any condition of signal and load
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Krell Current Mode amplifier and driver stages deliver exceptional musicality
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Balanced, Class A design throughout assures the highest possible levels of performance and sound quality
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Krell Sustained Plateau Bias II delivers pure Class A operation free from audible artifacts
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Dual microprocessors continually control both power and bias, based on actual loudspeaker load requirements and the condition of the AC line supply
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Balanced inputs provide full compatibility with high end and professional audio components
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Three separate remote on/off systems including infrared, RC-5, and a proprietary Krell communications port
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Sales Literature (File Size 84K)
The Master Reference Subwoofer
Weighing in at 420 pounds, with a footprint of less than four square feet, the massive yet compact Master Reference Subwoofer (MRS) houses an extraordinary amplifier that produces 650 Watts of pure Class A power - a total of 2600 Watts! The subwoofer is capable of reproducing an incredible 20 Hz at 120 dB. The one-inch machined aluminum chassis encases two 15-inch woofers, a sophisticated digitally controlled crossover network, and remains totally inert under all operating conditions.
The MRS, designed by Krell C.E.O. Dan D'Agostino, is the newest addition to the Krell Master Series. It represents a benchmark in subwoofer performance, delivering the unique combination of low frequency resolution and musical detail previously unavailable anywhere - the reference subwoofer for music and cinema.
Highlights
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Equipped with a specially tuned 2600 Watt Krell amplifier which produces a devastating 120 dB sound pressure level at 20 Hz
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Krell Active Motion Control for monitoring and governing woofer performance
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One-inch solid billet chassis with precision diamond cut finish for ultimate rigidity and resonance-free sound
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Dual 15-inch woofers with three-inch front-to-back excursions for hurricane-like air movement
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CAST and voltage inputs for interface flexibility and convenience
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Selectable high and low pass crossover points, filter type, slope, level, and phase for each of four selectable presets
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Krell Link, 12 VDC (12 Volt trigger), RS-232, and RC-5 baseband connections for installation flexibility and convenience
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Separate Low Frequency Effect (LFE) input for the simultaneous connection of both main and LFE outputs from a surround sound processor, to enable system optimization for both stereo and home theater applications
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Sales Literature (File size: 164K)