Bryston 4B³ Dual-Channel (Stereo) Amplifier

Zoom in Bryston Centre Of Excellence

What HFL Thinks

Bryston 4B³ Dual-Channel (Stereo) Amplifier - Coming from Canada Bryston make some of the greatest HiFi equipment on the planet, whether you want one of their legendary amps, the ultimate Multi-Channel Processor, a pre-amp or a way to play the latest 24 bit music, Bryston have got it covered and more. Please check back shortly as we write our thoughts on each of their products.

4B³ Amplifier

The Bryston 4B³ is a dual channel (stereo) amplifier which is acclaimed internationally as being suited for the finest and most sophisticated sound systems. It is currently our most popular Cubed Series model.

Power Capabilities:

  • 300W into 8Ω
  • 500W into 4Ω
  • 900W into 8Ω (Bridged Mono)

Features:

  • Active extremely low distortion input buffer
  • Balanced and unbalanced inputs
  • Selectable gain at 23 or 29dB
  • 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 900W Channel

Specifications:

  • Harmonic Distortion: < .005% from 20Hz - 20kHz at 300W
  • Noise below full output: -110dB single ended, -113dB balanced
  • Slew Rate: < 60V/µS
  • Power Bandwidth: .5Hz - > 100kHz
  • Damping Factor: > 500 at 20Hz (8Ω)
  • Gain: Switchable - 23dB or 29dB

Options:

  • Available with silver or black faceplate (3U + .55”)
  • 17” (without handles) or 19” (with handles) faceplate available (non-rack mountable)
  • Rack mountable Pro Edition available in black

HFL would also recommend...

HiFi Lounge is proud to be one of a select few Bryston dealers in the UK who now come under the new Bryston Centre of Excellence initiative.

PMC speakers (Brystons UK distributer) are re-affirming their commitment to the development of Bryston for domestic use in the UK through the creation of a network of Bryston Centres of Excellence, PMC have appointed Tom Barron to the position of Bryston account manager, here is what he had to say about the new venture - account manager, here s what Tom had to say on the new venture -

"I will be working with a carefully selected group of retailers across the UK so we have strong geographical coverage that puts Bryston within easy reach of audiophiles up and down the land. Each Centre of Excellence will receive in-depth training to ensure they are fully conversant with all aspects of the brand, to enable them to serve their customers with confidence."

HiFi Lounge have been big fans of Bryston for many years now, owning much of their equipment personally before starting HiFi Lounge. We even started the always active Bryston Owners Thread on AVForums to which we contribute regularly, so it really is a privilege to be part this new scheme. We have a vast knowledge regarding the current Bryston range of which we have most on demo, so if you have any questions or would like to come in for a listen please do not hesitate to get in touch. There is nothing we like more than talking about and listening to Bryston equipment.