Bryston CUBED 135 watts Stereo Amplifier - 2.5B³
The Bryston 2.5B3³ is a compact, high quality, dual-channel (stereo) amplifier intended for use in home sound systems requiring a musically accurate, extremely reliable, no compromise power source.
Inputs: 2x Balanced Inputs (XLR or TRS), 2x Single Ended Inputs (RCA)
Power Capabilities:
- 135W into 8Ω
- 180W into 4Ω
- 270W into 8Ω (Bridged Mono)
Features:
- 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
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)
Specifications:
- Harmonic Distortion: ≤ .005% from 20Hz to 20kHz at 135W
- Noise: ≤ -115dB @ full bandwidth
- Slew Rate: >60V/µS
- Power Bandwidth: <1Hz to >100kHz
- Damping Factor: >500 at 20Hz (8Ω)
- Switchable Gain: 23dB or 29dB
Reviews:
- "Soft or loud, big or small, the Bryston amplifier unfailingly delivers the full power range of a musical performance." - 10 Audio
- "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