BRYSTON 7B-ST
¥ 440,000 (around 2000)
Commentary
A monaural power amplifier designed for more professional use environments.
The circuit system uses Bryson's unique quad complimentary service circuit, which realizes low distortion rate, excellent linearity and high speed which cannot be achieved by general Darlington connection.
6400cm2Natural air-cooling system using large area heat sink is adopted.
Equipped with a soft start circuit for preventing inrush current when power is turned on.
There are 2 color variations of black and silver.
Model Rating
| Type | Monaural power amplifier |
| Output | 500W (8 Ω, parallel 1in2out) 800W (4 Ω, series connection) |
| Damping factor | 300 (20 Hz, 8 Ω) |
| Input sensitivity | RCA : 1.0V/50k Ω 1/4 Phone, XLR3 : 2.0V/20k Ω * XLR3 is number 2 hot. |
| Slew rate | 60 V / μ sec or More (Parallel) 120 V / μ sec or More (Series) |
| Distortion factor | 0.01% or less |
| Signal-to-noise ratio | 100dB |
| Frequency characteristic | 1 Hz to 100 kHz (500W) |
| Power supply voltage | 100 VAC, 50Hz/60Hz |
| Power consumption | 1650W maximum |
| External dimensions | Width 483x Height 148x Depth 394 mm |
| Weight | 18kg |
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