National Panasonic SU 3100B

Repair

Japan 1971

Potenza2 x 18 W 8 Ohms
Power frequency response 7 Hz - 35 kHz
Power frequency response +3 dB 10 Hz - 100 kHz
Harmonic distortion 0.08%

90dB signal to noise ratio
Phono 1 input sensitivity 2 mV 50 kOhms (max 100 mV)
Phono 2 input sensitivity 7 mV 50 kOhms / max 300 mV)
Sensitivity of line inputs 150 mV 60 kOhms
Mic input sensitivity 28 mV 50 kOhms
Line input frequency response 10 Hz - 100 kHz 0 -3dB
Bass tone control ± 10 dB 100 Hz
Treble control ± 10 dB 10 kHz
Loudness +8 dB a 100 Hz, +3,5 dB a 10 kHz
Filtro alti 6 kHz 6 dB/oct