Marantz 4240

Maintenance repair

U.S.A. 1976

Audio
Phono input sensitivity 2.2 mV 47 kOhms
Sensitivity of line inputs 150 mV
Intermodulation distortion 0.3%
damping factor 40 to 8 Ohms
Power 4 x 17 W 8 Ohms

FM
Frequency 88 - 108 MHz
Sensitivity 2.2 µV
Selectivity 60 dB

Capture Ratio 1.5 dB
106 MHz image rejection ratio 60 dB
Total harmonic distortion mono 0.3%
Total stereo harmonic distortion 0.4%
Frequency response (deemphasis to 75 µSec) ± 1 dB 50 Hz - 15 kHz
Stereo separation 40 dB
Output level (400 Hz - 75 kHz dev.) 300 mV

AM
Frequency 540 - 1605 kHz
Sensitivity 25 µV
Selectivity 26 dB
Image rejection ratio at 1400 kHz 70 dB
Bandwidth 7 kHz