Bryston 24B3 Stereo Amplifier - 24B³

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The Bryston 24B³ six channel amplifier was crafted to provide superb power for your Mini or Middle T Active System. With three channels of amplification per speaker, the 24B³ will drive two active loudspeakers with ease. Designed to produce clarity and detail, cubed series amplifiers significantly reduce noise and distortion. Professional grade components and construction are combined to create a superior product for the discerning audiophile.

Fully active loudspeaker systems dispense with passive crossovers found in conventional loudspeakers, in favor of inserting the crossovers before the amplifier. Benefits include increased flexibility of filter shapes, the ability to make fine-grained adjustments resulting in improved on and off axis response (these are often competing objectives in passive loudspeakers), direct coupling of the amplifier to the driver (avoiding losses inherent in passive crossovers), and higher SLP with lower distortion. Bryston Active Loudspeaker Systems combine decades of research in acoustics, electronics, amplification, and state of the art components to recreate your recordings with stunning realism.

Inputs: 6x Balanced Inputs (XLR or TRS), 6x Single Ended Inputs (RCA)


  • Designed for a Mini or Middle T Active System
  • Balanced and Single Ended audio inputs
  • Selectable gain at 23 or 29dB
  • No fans or other moving parts
  • Regulated power supplies to all voltage gain stages
  • Convection cooled and housed in a fully aluminum chassis
  • Independent power supply per active speaker
  • Energy storage power transformers maximize dynamic range

Power Capabilities:

  • 2x 300W into 8Ω
  • 4x 75W into 8Ω


  • Noise (full bandwidth): ≤ -115dB
  • THD+N (full bandwidth): ≤ .005%


  • Available with silver or black faceplate
  • 17” (without handles) or 19” (with handles) faceplate available (non-rack mountable)