Pioneer SX 440

Maintenance repair

Japan 1969

Audio
Potenza 4 x 12 W 8 Ohms
Potenza 4 x 15 W 4 Ohms
Total harmonic distortion 1%
Frequency response -3dB 20Hz – 70kHz
Power bandwidth 30 Hz - 20 kHz
Phono input signal noise ratio 75 dB
Signal to noise ratio of line inputs 85 dB
Phono input sensitivity 3 mV
Line input sensitivity 130 mV
Load Impedance 4 - 16 Ohms
Bass Toe Control +13 -11dB at 50Hz
Treble Control +9.5 -10dB at 10kHz
Loudness +12 dB a 50 Hz, 6 dB a 10 kHz

FM
Frequency 87 - 108 MHz
Image rejection ratio 55dB
Signal to noise ratio 50 dB
Antenna impedance 300 Ohms bal

AM
Frequency 525 - 1605 kHz
Sensitivity 8 µV
Image rejection ratio 47dB