Bryston 4b Sst² 17" Silver

"Bryston 4B SST²" (8870€ rrp 4B3 new today) - is a reference-grade dual-mono power amplifier engineered for exceptional linearity, high current delivery, and long-term reliability.

Designed with a fully discrete Class AB topology, it remains stable into demanding loudspeaker loads while maintaining extremely low distortion across the entire power range.


Technical Specifications:

* Power Output: 2x300W @8ohm , 2x500W @4ohm;
* Bridged Mono: 1x900W @8ohm
* Voltage Gain: 23dB (2V) or 29dB (1V)
* Input Sensitivity: 1 V for rated output
* Input Impedance: 20 k (Balanced XLR) / 60 k (Single-ended RCA)
* Frequency Response: 1 Hz – 100 kHz (0.1 dB)
* THD: <0.005%
* IMD: <0.005%
* Signal-to-Noise Ratio: >110 dB
* Damping Factor: >500 @ 20 Hz@8ohm
* Dimentions: 48.25 x 13.3 x 43.8 cm
* Weight: 27kg
* 20Year Warrianty: Up 2031year




Design Features:

* Fully discrete Class AB circuitry;
* Dual-mono architecture with independent power supply rails for each channel;
* High-current output stage with excellent low-impedance drive capability;
* Large toroidal power transformer and high-capacity power supply;
* Balanced XLR and single-ended RCA inputs with rear-panel input selection;
* Built and hand-assembled in Canada;

26dB or 29 dB voltage gain makes the 4B SST² easy to integrate with high-end DACs with preamplifiers while providing an excellent balance between input sensitivity, dynamic headroom, and low noise. Renowned for its STUDIO GRADE transparent presentation and exceptional loudspeaker control, the 4B SST² has earned a reputation in both professional studios and high-end audio systems.