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Bryston-4b3

Bryston 4B3 – 300 Watt Stereo Power Amplifier – DEMO

$5,695.00 $4,300.00

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Product Description

The Bryston 4B³ is a dual channel (stereo) amplifier.  Internationally acclaimed for its perfect balance of performance and value in a moderately priced amplifier.

New/Demo. Includes original box, manual, and power cord.

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
  • 17” (without handles) or 19” (with handles) faceplate available (non-rack mountable)
  • Rack mountable Pro Edition available in black

Specifications:

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