Bryston 3B³ Stereo Power Amplifier

Bryston 3B³ Stereo Power Amplifier

The Bryston 3B³ is dual-channel (stereo) amplifier designed for a wide range of audio/video systems which call for medium to high amounts of power, but wish to avoid sacrificing sonic accuracy and long-term reliability. Twenty year warranty.


  • Active extremely low distortion input buffer
  • Balanced and Single Ended audio inputs
  • Regulated power supplies to all voltage gain stages
  • Independent power supplies for each channel
  • Convection cooled and housed in a fully aluminum chassis
  • No fans or other moving parts
  • Bridging switch configures amplifier into a single 400W Channel

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Frequency Response
<1Hz to 100kHz (-3dB)
Total Harmonic Distortion Plus Noise <0.005%
Power Output (Per Channel)8 Ohms
Power Output (Per Channel) 4 Ohms
Noise - Unbalanced (RCA) <-106dB
Noise - Balanced (XLR) <-111dB
Input Impedance - Unbalanced (RCA) 7.5 kOhms
Input Impedance - Balanced (XLR) 30 kOhms+ / 6 kOhms-
Selectable Gain 23dB / 29dB
Standby Power Consumption <500MW
Dimensions WxHxD 17/19" x 8.1" x 10.75
Dimenions (With Front Handles) WxHxD 17/19" x 8.1" x 12.75
Weight 35lbs (16kg)

Watch a video review from Absolute Sound...