Kenwood KR 2200

Repair modification

Japan early 1970s

Audio
Power 4 x 10 W 8 Ohms
Power 4 x 11 W 4 Ohms
Total harmonic distortion 0.8%
Intermodulation distortion 0.8%
Frequency response ± 2 dB 25 Hz - 35 kHz
Power bandwidth 30 Hz - 20 kHz
Phono input sensitivity 3 mV 50 kOhms
Micro 4.5 mV input sensitivity
Sensitivity of line inputs 120 mV 30 kOhms
damping factor 45 to 8 Ohms
Phono input signal noise ratio 60 dB
Mic input signal noise ratio 60 dB
Signal to noise ratio of line inputs 70 dB
Load Impedance 4 - 16 Ohms
Bass toi control ± 8 dB at 100 Hz
Treble control ± 8 dB at 10 kHz
Loudness +8 dB a 100 Hz

FM
Antenna impedance 300 Ohms bal
Sensitivity 2.5 µV
Total harmonic distortion mono 0.8%
Stereo total harmonic distortion 1%
Signal to noise ratio 60 dB
4 dB capture ratio
Selectivity 40 dB
Image rejection ratio 50 dB
IF rejection 95 dB
Rejection of spurious signals 80 dB
AM suppression 30 dB 1 kHz
Stereo separation 30 dB

AM
Antenna in ferrite
Sensitivity 25 µV
45 dB signal to noise ratio
Selectivity 25 dB
Image rejection ratio 45 dB
Rejezione IF 35 dB