Bryston 7B NRB-THX, ST, & SST monoblock power amplifier Specifications

Sidebar 1: 7B Specifications

Description: Solid-state monoblock power amplifier. Class of operation: AB2. Balanced and unbalanced inputs. Rated power output: 500W continuous sinewave power into 8 ohms (27dBW), 800W continuous sinewave power into 4 ohms (26dBW). Distortion: less than 0.01%, 20Hz-20kHz at 500W, IM or THD. Rated slew rate: greater than 60V/µs, parallel mode, 120V/µs, series mode. Sensitivity: 1V for full output. Rated input impedance: 10k ohms. Rated full-power bandwidth: 1Hz-100kHz. Damping factor: over 300 at 20Hz, ref. 8 ohms.
Dimensions: 19" W by 5.25" H by 15.5" D. Weight: 42 lbs.
Serial numbers of units tested: 770336/770337.
Price: $4690/pair (non-THX version available at $4390/pair) (1993); no longer available (2005). Approximate number of dealers: 60.
Manufacturer: Bryston Limited, 677 Neal Drive, Peterborough, Ontario K9J 7Y4, Canada. Tel: (705) 742-5325. Fax: (705) 742-0882. In US: Bryston Service USA, 30 Coventry Street, Newport, VT 05855. Tel: (802) 334-1201. Fax: (802) 334-6658. Web: