4B-ST vs 3B-ST
The 3B-ST's power @ 8ω is 120W against the 4B-ST's 250W and its power @ 4ω 200W against 400W. Both share signal-to-noise (106 dB) and damping factor (>500).
Both turn up in the same documented systems.
AI-generated product photo — not official manufacturer imagery.
AmplifiersPower AmplifiersDiscontinued
Estimated price (community-sourced)
$1,499
Around — community and catalog average, updates slowly
About the 4B-ST
The Bryston 4B-ST is a mid-sized, solid-state stereo power amplifier designed for audiophiles and professional users seeking reliable, high-current performance. It features Bryston’s unique quad complementary circuit, delivering low distortion, excellent linearity, and high speed. The amplifier is available in black or silver finishes and is renowned for its ability to drive demanding loudspeakers with ease.
Specifications
Power Specifications
Amplification power output and characteristics
- Power @ 8Ω
- 250W @ 8Ω
- Power @ 4Ω
- 400W @ 4Ω
- Damping Factor
- >500
Analog Output
Analog signal output specifications
- THD
- 0.007%
- SNR
- 106 dB
Physical Dimensions
Size, weight, and appearance
- Dimensions
- 483 × 148 × 427 mm (W × H × D)
- Weight
- 18 kg (40 lbs)
Key Specifications
Power: 250W
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions