Pioneer SA 9800

Repair

Japan 1976

Power amplifier
Power 2 x 100 W 8 Ohms
Power 2 x 120 W 4 Ohms
Total harmonic distortion 0.005% at 1W, 0.004%
Intermodulation distortion 0.002%
Frequency response +0 -2 dB 5 Hz - 200 kHz
Damping factor 55 to 8 Ohms
Final signal to noise ratio 118 dB
Input sensitivity 1 V / 50 kOhm

Preamplifier
Phono input sensitivity mm 2,5 mV - 50 kOhm (max 250 mV)
Phono input sensitivity mc 0.1 mV - 100 Ohm (max 10 mV)
Line input sensitivity 150 mV - 50 kOhm
Livello uscita pre 1 V 600 Ohm (3 V max)
Total harmonic distortion 0.006%
Phono frequency response ± 0.2dB 20Hz - 20kHz
Line frequency response +0 -1 dB 5 Hz - 100 kHz
Bass tone control (400 Hz) ± 10 dB 100 Hz
Bass tone control (200 Hz) ± 10 dB 50 Hz
Treble control (2.5 kHz) ± 10 dB 10 kHz
Treble control (5 kHz) ± 10 dB 20 kHz
Fitro subsonico 15 Hz 6 dB/oct
Filtr alti 8 kHz 6 dB/oct
Phono signal to noise ratio 90 dB
Line noise signal ratio 110 dB
Muting -20 dB
Loudness +6 dB 100 Hz, +3 dB 10 kHz