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.
Inputs: 2x Balanced Inputs (XLR or TRS), 2x Single Ended Inputs (RCA)
Power Capabilities:
•300W into 8Ω
•500W into 4Ω
•900W into 8Ω (Bridged Mono)
Features:
•Active extremely low distortion input buffer
•Balanced and Single Ended audio 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
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 (see Cubed Pro for more details)
Specifications:
•Harmonic Distortion: ≤ .005% from 20Hz to 20kHz at 300W
•Noise: ≤ -119dB @ full bandwidth
•Slew Rate: > 60V/µS
•Power Bandwidth: < 1Hz to > 100kHz
•Damping Factor: > 500 at 20Hz (8Ω)
•Switchable Gain: 23dB or 29dB
Dimensions (HxWxD): 155 x 432 x 380mm
Weight: 28.6kg