Marantz 1180 DC

Repair

Japan 1978

Power amplifier
Power 2 x 90 W 8 Ohms
Power 2 x 113 W 4 Ohms
Total harmonic distortion 0.03% (8 Ohms)
Intermodulation distortion 0.0% at 8 Ohms
Damping factor 60
Input sensitivity 1.5 V
Input impedance 36 kOhms
Frequency response ± 0.2dB at 1W 20Hz - 20kHz
110 dB signal to noise ratio

Preamplifier
Phono input sensitivity 1.8 mV 47 kOhms (max 310 mV)
Signal to noise ratio 83 dB
Line input sensitivity 180 mV 20 kOhms
Frequency response ± 1 dB 5 Hz - 60 kHz
93 dB signal to noise ratio
Tape output level 775 mV 330 Ohms
Pre output level 1.5V 220 Ohms

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