Bryston 2.5B Cubed PRO

Sale price$ 4,995.00
SKU: Bryston 2.5B Cubed PRO

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Bryston 2.5B Cubed PRO


Bryston 2.5B Cubed PRO

Bryston 2.5B³ PRO

The 2.5B³ PRO is a dual-mono design audio power amplifier with two channels capable of 135 watts each intended for use in very high performance professional audio systems. Robust yet beautiful machined aluminum enclosures house our proprietary industry-leading circuit designs resulting in exemplary performance observed both in the listening space and in the laboratory.

C-Series variants are available in your choice of 17 inch or 19 inch wide non-rack mountable aluminum dress panels anodized in clear (silver toned) or black. PRO amplifiers feature 19 inch wide rack mountable dress panels in a black anodized front finish and also include individual channel trims located on the rear panel.


  • Individual channel trim pots
  • Rack mountable 19" black faceplate (2U)
  • Active extremely low distortion input buffer
  • Balanced and Single Ended audio inputs
  • Selectable gain at 23dB 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 360W Channel



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