Bryston

4B SST3

The Bryston 4B³ is a dual channel (stereo) amplifier which is acclaimed internationally as being suited for the finest and most sophisticated sound systems. It is currently the most popular Cubed Series model.

£5,750

20 year warranty

Finance example

£1,150.00 initial 20% deposit then £191.67 per month for 24 months. Other finance terms available. Finance subject to status

4B SST3

£5,750

Features:

  • Active extremely low distortion input buffer
  • Balanced and Single Ended audio inputs
  • Selectable gain at 23 or 29dB
  • Regulated power supplies to all voltage gain stages
  • Independent power supplies for each channel
  • Convection cooled and housed in a fully aluminum chassis.
  • No fans or other moving parts
  • Bridging switch configures amplifier into a single 900W Channel

Options:

  • Available with silver or black faceplate (3U + .55”)
  • 17” (without handles) or 19” (with handles) faceplate available (non-rack mountable)
  • Rack mountable Pro Edition available in black (see Cubed Pro for more details)

Tech spec

Power Output Per Channel (Watts)

8Ω Load: 300, 4Ω Load: 500, Bridged Mono 8Ω Load: 900

Gain

High: 29dB 28.28 V/V, Low: 23dB 14.14 V/V

Sensitivity (into 8Ω)

High: 1.00V 100W, High: 1.73V 300W, Low: 2.00V 100W, Low: 3.46V 300W

Input Impedance - Individual Mode

Single Ended ≈30kΩ, Balanced + ≈30kΩ, Balanced - ≈6kΩ

IMD

≤0.005%, Typ. ≤0.002%

Noise

SE: High: 29dB <-111dB

SE input shorted, Balanced open Weighted, filter: 22Hz-22kHz

SE: Low: 23dB <-116dB, Bal: High: 29dB <-112dB, Bal: Low: 23dB <-118dB

Slew Rate

Individual Mode >60V / μS, Bridged Mode >120 / μS

Bandwidth

0-3dB <1Hz to >100kHz

Frequency Response

0±0.1dB 20Hz - 20kHz

Damping

20Hz, 8Ω >500

Weight

Pounds: 57.8; Kilograms: 26.2

For more information click here to visit the Bryston website

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