Denon PMA-737

Repair

Japan 1984

Power amplifier
Power 2 x 55 W 8 Ohms
Power 2 x 65 W 4 Ohms
Total harmonic distortion 0.05%
Intermodulation distortion 0.005%
Power bandwidth 5 Hz - 80 kHz
Frequency response +0 -3 dB 4 Hz - 150 kHz
Input sensitivity 150 mV
Input impedance 30 kOhms
Damping factor 80 8 Ohms

Preamplifier
Output level 150mV (max 10V)
Total harmonic distortion 0.002%
Phono input sensitivity mm 2.5 mV 47 kOhms
Phono input sensitivity mc 0.2 mV 100 Ohms
Sensitivity of line inputs 150 mV 30 kOhms
Phono signal to noise ratio mm 86 dB
Phono signal to noise ratio mc 70 dB
Line noise signal ratio 106 dB
Bass tone control ± 8 dB 100 Hz
Treble control ± 8 dB 10 kHz
Loudness +7 dB a 100 Hz, +6 dB a 10 kHz