Description
Bryston 3BST Power Amplifier
Short Description
The Bryston 3BST is a rugged, high-performance stereo power amplifier delivering clean Class-AB power with ultra-low distortion and professional reliability — ideal for serious audiophiles and custom audio systems.
Built by Bryston Ltd. in Canada, the 3BST embodies decades of meticulous engineering and legendary reliability. Its robust construction, low-noise performance, and musical clarity make it a favorite among music lovers and system builders alike. Whether driving demanding speakers in a critical listening room or powering a high-end home theater setup, the 3BST delivers effortless dynamics and authoritative control across the audio spectrum. With a design that stands the test of time, this amplifier not only elevates your sound but offers long-term value — a true investment for anyone seeking refined performance and rock-solid dependability.
Technical Description
General Type
- Solid-state stereo Class-AB2 power amplifier.
Power Output
- 120 W per channel into 8 Ω (both channels driven).
- 200 W per channel into 4 Ω.
- 400 W bridged/mono into 8 Ω.
Distortion & Noise
- Very low THD (≈0.007 % at rated power, 20 Hz–20 kHz).
- Signal-to-Noise Ratio: ~106 dB (ref. rated output).
Frequency Response & Slew
- Wide-range, full-bandwidth response (essentially flat in the audio band).
- Fast slew rate (>60 V/µs).
Damping & Control
- Damping factor: >500 at 20 Hz into 8 Ω (tight speaker control).
Inputs
- Balanced XLR and unbalanced RCA inputs.
- Sensitivity ~1.0 V for rated 8 Ω output.
Impedance
- Input impedance: ~50 kΩ unbalanced; ~20 kΩ balanced.
Build & Cooling
- Dual separate power supplies for each channel.
- Convection cooling with robust aluminum chassis.
Dimensions & Weight
- 19″ rackable width, compact depth.
- Approx. 22 lb (10 kg).
Features
- Stereo or bridged mono configuration.
- Clip protection with channel-specific LED indicators.
