21B ³ Tri-Mono Amplifier

1,794,645.00

 

Features

  • Balanced XLR and Single ended RCA input
  • 3 Channels each with fully independent power supplies including transformers
  • 600W into 8 ohms (and up to 900 into 4 ohms) for one channel. Two more channels each rated at 300W into 8 ohms and 500W into 4 ohms.
  • The patented Salomie circuit found in all Cubed Series amplifiers
  • Switchable gain (23dB or 29dB)
  • Fully convection cooled means no noisy fans
  • Machined and anodized aluminum enclosure and dress panel
  • Less than 500mW standby power consumption
  • SoftStart microprocessor controlled startup sequence won’t trip circuit breakers
  • DC trigger for automated turn on and turn off
  • Legendary Bryston 20 Year Warranty

Options

  • Silver or black faceplate
  • 17? or 19? faceplate (non-rack mountable) 19″ comes with front mounted handles

Bryston impressed the audiophile community with an ultimate fully active loudspeaker system that let you choose your own amplifiers. Listeners were free to build 6-channel systems any way they liked. Now Bryston introduces the 21B?-an amplifier dedicated to bringing Cubed Series excellence to an easy to manage package. Each 21B? has 3 channels. One is rated at 600 watts, the other two are rated at 300 watts each. Active loudspeaker customers will use the high powered channel for the bass section and smaller channels for the midrange and high frequency sections of their 3 way systems. Since the 21B? is based on our 7B? and 4B? amps, it can also be used to power any 3 channels such as the front LCR in a home theatre.

SPECIFICATIONS
Dimensions Inches: 17 or 19 W x 8.1 H x 16.8 or 18.4 (with front handles) D
Weight 91 lbs | 41 kg
Frequency Response: <1Hz – 100kHz: -3dB
THD+N (20Hz-20kHz @ Rated Power, 8?): <0.005%
Power Output (per channel): CH 1: 600W @ 8? | 900W @ 4?
CH 2&3: 300W @ 8? | 500W @ 4?
Noise: RCA: <-115dB
XLR: <-116dB
Input Impedance: Unbalanced 7.5k?
Balanced 5k? / leg
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Variant
Product Type

Bryston Ltd. has been designing and manufacturing state of the art specialty electronics to both the consumer and professional audio marketplaces for over 35 years. Bryston has a major commitment in producing the most accurate and reliable product available by maintaining an extensive research and development division which is constantly looking for ways to improve the performance, value, and reliability of our products.

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