Sansui 771

Repair

Japan 1973

Audio
Power 2 x 32 W 8 Ohms
Total harmonic distortion 0.5%
Intermodulation distortion 0.5%
Power bandwidth 15 Hz - 40 kHz
Frequency response +1 -2 dB 15 Hz - 30 kHz
Total load impedance 4 - 16 Ohms
damping factor 60 to 8 Ohms
Stereo separation of phono input 45 dB
Stereo separation of line inputs 45 dB
Phono input signal noise ratio 70 dB
Line input signal noise ratio 80 dB
Phono input sensitivity 2 mV 50 kOhms (max 200 mV)
Mic input sensitivity 2.5 mV 50 kOhms
Sensitivity of line inputs 100 mV 50 kOhms
Bass tone control ± 12 dB at 50 Hz
Treble control ± 12 dB at 10 kHz
Loudness +10 dB a 50 Hz, +8 dB a 10 kHz
Bass filter -10 dB to 50 Hz, 6 dB / oct
Filtro alti -10 dB a 10 kHz, 6 dB/oct

FM
Frequency 88 - 108 MHz
Sensitivity 2.0 µV
Total harmonic distortion mono 0.4%
Total stereo harmonic distortion 0.6%
Stereo signal to noise ratio 60 dB
Selectivity 60 dB
2.0 dB capture ratio
98 MHz image frequency rejection 75 dB
IF rejection 90 dB
Spurious rejection 80 dB
Stereo separation 35 dB
Frequency response +1 -3 dB 30 Hz - 12 kHz
Antenna 300, 75 Ohms

AM
Frequency 540 - 1605 kHz
Sensitivity 50 dB / m
Selectivity 28 dB
Image frequency rejection 80 dB
IF rejection 80 dB