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

Sidebar 5: 7ST Specifications

Description: Solid-state monoblock amplifier. Output power: 500W continuous into 8 ohms (27dBW), 800W into 4 ohms (26dBW). Distortion: 0.007%, 20Hz-20kHz at 500W, IM (60Hz+7kHz, 4:1, SMPTE method) or THD. S/N ratio: 106dB ref. rated output, 90dB IHF. Slew rate: >60V/µs parallel mode, >120V/µs series mode. Damping factor: >300 at 20Hz at 8 ohms, equivalent to an output impedance of 0.03 ohms. Input sensitivity: 1.4V for full output, unbalanced; 2V for full output, bridged. Input impedance: 50k ohms unbalanced, 20k ohms balanced. Polarity: non-inverting.
Dimensions: 19" (482.5mm) W by 5.25" (133mm) H by 15.5" (394mm) D. Weight: 44 lbs (18kg).
Serial numbers of samples reviewed: 770933, 770934.
Price: $4795/pair (1996). Approximate number of dealers: 90.
Manufacturer: Bryston Ltd., P.O. Box 2170, 677 Neal Drive, Peterborough, Ontario K9J 7Y4, Canada. Tel: (705) 742-5325. Fax: (705) 742-0882. Web: www.bryston.ca.

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