The Bryston 28B³ power amplifier is a monoblock, delivering 1000 W into 8 Ω and 1800 W into 4 Ω. It reproduces detailed sound even at low volume and maintains the same performance with low-sensitivity speakers.
It features balanced and unbalanced audio inputs, selectable gain of 23 or 29 dB, and a 2000 VA power supply. Cooling is achieved by natural convection, with no fans or other moving parts, while the chassis is made entirely of aluminum.
- Type: Power amplifier
- Technology: Solid-state
- Channels: Mono
- Power into 8 Ω: 1000 W per channel
- Power into 4 Ω: 1800 W per channel
- Audio inputs: Analog, balanced and unbalanced
- Gain: Selectable 23 or 29 dB
- Power supply: 2000 VA
- Cooling: Natural convection
- Chassis: Aluminum
- Harmonic distortion: ≤0.005% from 20 Hz to 20 kHz at 1000 W
- Noise below maximum output: -116 dB with unbalanced input, -117 dB with balanced input
- Slew rate: >65 V/μs
- Power bandwidth: 0.5 Hz to >100 kHz
- Damping factor: >500 at 20 Hz (8 Ω)
- Width: 43.2 cm
- Height: 20.6 cm
- Depth: 42.7 cm
Technical Specifications
- Type
- Power Amplifier
- Technology
- Solid
- Channels
- Mono
- Power (8Ω)
- 1000 watt / channel
- Power (4Ω)
- 1800 watt / channel
- SNR
- -
Connectivity
- Phono
- No
- Optical
- No
- Coaxial
- No
- USB
- No
- Ethernet
- No
- Analog
- Yes
- Headphones
- No
- Subwoofer
- No
- Wifi
- No
- Bluetooth
- No
Features & Functions
- Streaming
- -
- Radio
- No
Dimensions
- Width
- 43.2 cm
- Length
- 42.7 cm
- Height
- 20.6 cm
Important information
Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.