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Bryston 7B 3 Cubed-Pro

Monoblock amplifier capable of 600 watts at 8 ohms, 900 watts at 4 ohms
Bryston 7B 3 Cubed-Pro
No interest if paid in full within 12 months Learn more
Special Order
Note: This item may not be returnable or could require a restocking fee. Contact one of our Audio Consultants for more details. Due to the special nature of this item, we order each unit fresh from the factory, exclusively for you! Lead times may vary so please chat, call or email for up-to-date inventory status.

The Bryston 7B³ Cubed-Pro is a single channel (mono) amplifier which offers virtually perfect freedom from overload on any type of speaker. It assures an amazing degree of transparency, musicality, and ease of listening.

Inputs: 1x Balanced Inputs (XLR or TRS), 1x Single Ended Inputs (RCA)


  • Individual channel trim pots
  • Rack mountable 19" black faceplate (3U)
  • Active extremely low distortion input buffer
  • Balanced and Single Ended audio inputs
  • Selectable gain at 23 or 29 dB
  • Regulated power supplies to all voltage gain stages
  • Convection cooled and housed in a fully aluminum chassis.
  • No fans or other moving parts
  • Energy storage power transformers maximize dynamic range

Power Capabilities:

  • 600 W into 8Ω
  • 900 W into 4Ω


  • Harmonic Distortion: ≤.005% from 20 Hz to 20 kHz at 600 W
  • Noise below full output: -113 dB single ended, -116 dB balanced
  • Slew Rate: >60 V/µS
  • Power Bandwidth: .5 Hz to >100 kHz
  • Damping Factor: >300 at 20 Hz (8Ω)
  • Switchable Gain: 23 or 29 dB

Additional Information

Condition New
Chassis 19-in Rackmount
Input Connectors Analog XLR, 1/4 in. TRS, RCA
Amp Wattage 600 W @ 8 Ohms; 900 W @ 4 Ohms
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