Toshiba SB-M20

Maintenance repair

Japan 1983

Power 2 x 40 W 4 Ohms
Total harmonic distortion 0.03%
Frequency response +0 -3 dB 10Hz - 100kHz
Power bandwidth 10 Hz - 75 kHz
Phono signal to noise ratio 73 dB
Line noise signal ratio 100 dB
Phono input sensitivity 2.5 mV 47 kOhms (max 150 mV)
Sensitivity of line inputs 150 mV 27 kOhms
Bass tone control ± 9 dB at 100 Hz
Treble control ± 9 dB at 10 kHz