Bryston - 7B³ - Monoblock Power Amplifier

The 7B³ is Bryston’s reference monoblock amplifier designed to deliver immense power, control, and transparency without sacrificing musicality or refinement. Built around Bryston’s Cubed Series technology and patented Salomie input stage circuitry, the 7B³ combines massive dynamic capability with exceptionally low noise and distortion.

What makes the 7B³ especially impressive is how effortlessly it controls demanding loudspeakers while maintaining a relaxed and natural presentation. Bass remains deep and authoritative, imaging stays stable during complex passages, and the amplifier preserves tonal accuracy without sounding aggressive or clinical. Its fully balanced design and convection-cooled aluminum chassis further contribute to long-term reliability and quiet operation.

With 600 watts into 8 ohms and up to 900 watts into 4 ohms, the 7B³ delivers remarkable headroom and composure for serious high-end systems. Designed and manufactured in Canada with Bryston’s legendary long-term reliability philosophy, it’s a true reference-level monoblock amplifier built for decades of performance.

Available in Silver or Black finishes.

FEATURES

• Reference Monoblock Power Amplifier
• Bryston Cubed Series Technology
• Patented Salomie Input Stage Circuitry
• Balanced XLR and Single-Ended RCA Inputs
• Switchable Gain Settings (23dB / 29dB)
• Fully Convection Cooled Design
• No Fans or Moving Parts
• Machined and Anodized Aluminum Chassis
• Regulated Power Supplies for Voltage Gain Stages
• SoftStart Microprocessor Controlled Startup Circuit
• DC Trigger Input for Automated Power Control
• Energy Storage Power Transformers for Enhanced Dynamic Range
• Dual Binding Post Pairs
• Ultra Low Noise and Distortion Design
• Designed and Manufactured in Canada
• Legendary 20 Year Bryston Warranty

SPECIFICATIONS

• Amplifier Type: Monoblock Power Amplifier
• Class of Operation: Class AB
• Power Output: 600W @ 8Ω / 900W @ 4Ω
• THD + N: <0.005% (20Hz–20kHz @ 600W, 8Ω)
• Frequency Response: <1Hz – 100kHz (-3dB)
• Noise:
  • RCA: -117dB
  • XLR: -119dB
• Input Impedance:
  • Unbalanced: 7.5kΩ
  • Balanced: 5kΩ / Leg
• Gain Settings: 23dB / 29dB Selectable
• Slew Rate: >60V/µS
• Damping Factor: >300 @ 20Hz (8Ω)
• Inputs: Balanced XLR / Single-Ended RCA
• Speaker Outputs: Dual Binding Post Pairs
• Cooling System: Fully Convection Cooled
• Standby Power Consumption: <500mW
• Dimensions: 17” or 19”W x 5.8”H x 15.5”D (17.8”D with Front Handles)
• Weight: 53 lbs / 24 kg
• Faceplate Options: Silver or Black
• Manufacturing: Designed and Manufactured in Canada