Sansui AU 4900

Repair Maintenance

Japan 1976

Output power 2 x 35W 8 Ohms
Power bandwidth 40Hz - 20kHz
Total harmonic distortion 0.15%
Intermodulation distortion 0.2%
Frequency Response (1W) +0.5 -1.5dB 10Hz - 40kHz
damping factor 50 to 8 Ohms
Phono input sensitivity 2.5 mV 50 kOhms
Mic input sensitivity 2.5 mV 10 kOhms
Sensitivity of line inputs 130 mV 50 kOhms
Stereo separation of phono input 60 dB
Line input stereo separation 65 dB
Phono signal to noise ratio 75 dB
Line noise signal ratio 90 dB
Signal to noise mic ratio 65 dB
Bass tone control ± 12 dB 50 Hz
Treble control ± 12 dB 15 kHz
Loudness +10 dB 50 Hz, +8 dB 10 kHz
Filtro alti -3 dB 7kHz 6 dB/oct
Bass filter -3 dB 100 Hz 6 dB / oct