Bryston 2.5B³ Amplifier

$4,195.00
In stock

The Bryston 2.5B³ dual-channel (stereo) amplifier is compact, high quality, and intended for use in home sound systems requiring a musically accurate, extremely reliable, no compromise power source.

The 2.5B3 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.


Reviews

Bryston Magazine Guide
Bryston Magazine

Guides & Advice
by Moon Audio

"Soft or loud, big or small, the Bryston amplifier unfailingly delivers the full power range of a musical performance." - 10 Audio Read Full Review
"More powerful than I expected from a 135 watt per channel amp. The more I played it, the more I liked the sound." - Steve Guttenberg, CNET Read Full Review
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(Size: 5.1 MB)
2018 Bryston Cubed Series Electronics
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(Size: 4.7 MB)
Bryston 2.5B³ Amplifier

  • 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
  • Harmonic Distortion: ≤ .005% from 20Hz to 20kHz at 135W
  • Noise: 115dB below full output
  • Slew Rate: >60V/µS
  • Power Bandwidth: .5Hz to >100kHz
  • Damping Factor: >500 at 20Hz (8Ω)
  • Switchable Gain: 23dB or 29dB

Power Capabilities:

  • 135W into 8Ω
  • 180W into 4Ω
  • 360W into 8Ω (Bridged Mono)

Options:

  • Available with silver or black faceplate (2U + .55”)
  • 17” or 19” faceplate available (non-rack mountable)
  • Rack mountable Pro Edition available in black (see Cubed Pro for more details)

5.0 / 5.0
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WOW
I have known of Bryston for many years but finally pulled the trigger to buy the amp when my Rotel amp died. All I can say is WOW! the performance is amazing. Buy it you won't regret it.
May 8, 2019
Purchased
7 months ago
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