Marantz 2100

repair maintenance

USA 1978

FM tuner
Usable sensitivity 10.3 dBf 1.8 µV
Mono sensitivity at 26 dB s / n 1.6 µV
Stereo sensitivity at 46 dB s / n 50 µV
Mono harmonic distortion 0.15% at 1000 µV 1 kHz
Stereo harmonic distortion 0.3% at 1000 µV 1 kHz
Signal to noise ratio at 1000 µV mono 72 dB
Frequency response +0.2 - 1.5 dB 30 Hz - 15 kHz
Capture ratio 1.5 dB at 100 µV
Spurious rejection 90 dB
Image rejection 60 dB
IF rejection 80 dB
AM suppression 50 dB
45 dB stereo separation
60 dB stereo subcarrier rejection

AM tuner
Usable sensitivity 15 µV
Harmonic distortion at 30% modulation 0.5%
Signal to noise ratio 50 dB
Frequency Response 40Hz - 2.3kHz