Bryston 21B3
MPN #43108
The Bryston 21B³ three channel amplifier was crafted to provide superb amplification for your Bryston Active Loudspeaker System.
The Bryston 21B³ is essentially composed of a 7B³ and a 4B³ amplifier, which provides plenty of power for a single active loudspeaker. Two of these amplifiers will drive your active system with breathtaking ease and clarity.
Fully active loudspeaker systems dispense with passive crossovers found in conventional loudspeakers in favor of inserting the crossovers before the amplifier. The benefits include increased flexibility of filter shapes, the ability to make fine-grained adjustments resulting in improved on and off axis response (these are often competing objectives in passive loudspeakers), direct coupling of the amplifier to the driver (avoiding losses inherent in passive crossovers), and higher SLP with lower distortion. The Bryston Active Loudspeaker System combines decades of research into acoustics, electronics, amplification, and state of the art components to recreate your recordings with stunning realism.
Inputs
3x Balanced Inputs (XLR or TRS), 3x Single Ended Inputs (RCA)
Power Capabilities
1x 600W into 82x 300W into 81x 900W into 42x 500W into 4
Features
Designed to meet the power requirements of a single active loudspeakerBalanced and Single Ended audio inputsSelectable gain at 23 or 29dBNo fans or other moving partsRegulated power supplies to all voltage gain stagesConvection cooled and housed in a fully aluminum chassisIndependent power supplies for each channelEnergy storage power transformers maximize dynamic range
Specifications
Harmonic Distortion (1st Channel): .005% from 20Hz to 20kHz at 600WNoise below full output (1st Channel): -113dB single ended, -116dB balancedHarmonic Distortion (2nd and 3rd Channel): .005% from 20Hz to 20kHz at 300WNoise below full output (2nd and 3rd Channel): -110dB single ended, -113dB balancedSlew Rate: >60V/µSPower Bandwidth: <1Hz to >100kHzDamping Factor: >300 at 20Hz (8)
Options
Available with silver or black faceplate17" (without handles) or 19" (with handles) faceplate available (non-rack mountable)
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