Pioneer SX-626

Maintenance repair

Japan 1972

Power amplifier
Power 2 x 27 W 8 Ohms
Power 2 x 30 W 4 Ohms
Total harmonic distortion 1%
Intermodulation distortion 1%
Power bandwidth 10 Hz - 70 kHz
Frequency response ± 1 dB 5 Hz - 80 kHz
Input sensitivity 500 mV 60 kOhms
Damping factor 25 8 Ohms
Load Impedance 4 - 16 Ohms

Pre-amplifier
Uscita pre out 500 mV (max 3 V)
Total harmonic distortion 0.5%

Phono input sensitivity 2.5 mV 45 kOhms (max 200 mV)
Mic input sensitivity 2.2 mV 22 kOhms
Sensitivity of line inputs 200 mV 100 kOhms
Bass tone control -11 +11 dB 100 Hz
Treble control -1 +10.5 dB 10 kHz
Bass filter -8 dB 50 Hz 6 dB / oct
Filtro alti -9 dB 10 kHz 6 dB/oct
Loudness +10 dB 100 Hz, +6 dB 10 kHz
Phono signal to noise ratio 85 dB
Line noise ratio 95 dB

FM
Frequency 88 MHz - 108 MHz
Sensitivity 2.0 µV
2.5 dB capture ratio
Image rejection 80 dB
IF rejection 100 dB
Spurious rejection 90 dB
AM suppression 50 dB
Signal to noise ratio 70 dB
Mono harmonic distortion 0.4%
0.5% stereo harmonic distortion
Stereo separation 40 dB
50 dB stereo subcarrier suppression
De-emphasis 50µS, 75 µS (FW)
Ingresso antenna 75 – 300 Ohms

AM
Frequency 525 - 1605 kHz
Sensitivity 10 µV
Selectivity 30 dB
Signal to noise ratio 50 dB
Image rejection 80 dB
Rejezione IF 75 dB
Antenna interna in ferrite