Bryston 4BSST - Manual (Page 7)

3Bsst & 4Bsst POWER AMPLIFIERS
6
3Bsst TECHNICAL SPECIFICATIONS 4Bsst
Power Output
150 watts per channel into 8 ohms
250 watts per channel into 4 ohms
Gain Select and Sensitivity
29dB - 1.3Vin = 150W @ 8 Ohms - (1V Position)
23dB - 2.6Vin = 150W @ 8 Ohms - (2V Position)
Input Impedance
50 Kohms single ended
20 Kohms balanced
Distortion IM or THD+noise
< 0.005% 20Hz to 20kHz at 150 watts into 8 W
< 0.007% 20Hz to 20kHz at 250 watts into 4 W
Noise Measured with input shorted - 20Hz to 20kHz.
>110dB below rated output 29dB gain (- 75dBu)
>113dB below rated output 23dB gain (- 78dBu)
Slew Rate > 60 volts per microsecond
Power Bandwidth < 1 Hz to over 100 kHz
Damping Factor Over 500 at 20 Hz, ref. 8 ohms
Dimensions
19” version with handles - L x H x D
48.3 x 13.3 x 32cm - 19” x 5.25” x 12.5“
mounted rack depth - 28cm - 11.0"
17” version
43.2 x 13.3 x 28cm - 17” x 5.25” x 11“
Weight: approx. 18kg - 40 lbs
Power Consumption & Heat Load
At Idle - 127 Watts
Max. Heat Dissipation - 433 Btu/Hr.
2 channels @ 150W @ 8 ohms - 668 Watts
Max. Heat Dissipation 8 ohms - 1255 Btu/Hr.
2 channels @ 250W @ 4 ohms - 1096 Watts
Max. Heat Dissipation 4 ohms - 2033 Btu/Hr.
Bridged @ 450W @ 8 ohms - 1053 Watts
Max. Heat Dissipation 8 ohms - 2057 Btu/Hr.
Power Output
300 watts per channel into 8 ohms
500 watts per channel into 4 ohms
Gain Select and Sensitivity
29dB - 1.8Vin = 300W @ 8 Ohms - (1V Position)
23dB - 3.6Vin = 300W @ 8 Ohms - (2V Position)
Input Impedance
50 Kohms single ended
20 Kohms balanced
Distortion IM or THD+noise
< 0.005% 20Hz to 20kHz at 300 watts into 8 W
< 0.007% 20Hz to 20kHz at 500 watts into 4 W
Noise Measured with input shorted - 20Hz to 20kHz.
>110dB below rated output 29dB gain (- 75dBu)
>113dB below rated output 23dB gain (- 78dBu)
Slew Rate > 60 volts per microsecond
Power Bandwidth < 1 Hz to over 100 kHz
Damping Factor Over 500 at 20 Hz, ref. 8 ohms
Dimensions L x H x D
19” version with handles -
48.3 x 13.3 x 43.8cm - 19” x 5.25” x 17.25“
mounted rack depth - 40.1cm - 15.75"
17” version
43.2 x 13.3 x 40.1cm - 17” x 5.25” x 15.75“
Weight: approx. 22kg - 50 lbs
Power Consumption & Heat Load
At Idle - 170 Watts
Max. Heat Dissipation - 580 Btu/Hr.
2 channels @ 300W @ 8 ohms - 1280 Watts
Max. Heat Dissipation 8 ohms - 2320 Btu/Hr.
2 channels @ 500W @ 4 ohms - 2100 Watts
Max. Heat Dissipation 4 ohms - 3750 Btu/Hr.
Bridged @ 900W @ 8 ohms - 2040 Watts
Max. Heat Dissipation 8 ohms - 3890 Btu/Hr.