7B SST Specifications

Power Output 600 watts per channel into 8 ohms
900 watts per channel into 4 ohms 
Gain Select and Sensitivity 29dB - 2.3Vin = 600W @ 8 Ohms - (1V Position)
23dB 4.6Vin = 600W @ 8 Ohms - (2V Position)
Input Impedance 50 Kohms single ended
20 Kohms balanced
Distortion IM or
THD+noise		 <0.005% 20Hz to 20kHz at 600 watts into 8 Ohms
<0.007% 20Hz to 20kHz at 900 watts into 4 Ohms
Noise Measured with input shortened - 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 300 at 20 Hz, ref. 8 ohms
Dimensions
19" Version 48.3 X 13.3 X 32cm - 19" x 5.25" x 17.5"
17" Version 43.2 x 13.3 x 28cm - 17" x 5.25" x 16"
Weight approx. 22kg - 50lbs
Power Consumption
& Heat Load
At Idle 215 Watts
Max. Heat Dissipation 733 Btu/Hr
output @ 600W @ 8 ohms 1284 Watts
Max. Heat Dissipation 8 ohms 2333 Btu/Hr.
output @ 900W @ 4 ohms 1980 Watts
Max. Heat Dissipation 3684 Btu/Hr.