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Kenwood KR-9940 Queadraphonic 4 channel AM / FM Stereo Receiver
This classic piece is in exceptional condition. It is working perfectly. During testing, I could not find any issues with it whatsoever - all lights are working; all switches and controls are functioning with no distortion or scratchiness. One exception to this - there is no lamp behind the "Radar" indicator... this indicator is rarely if ever used - I'm actually not sure what it's for. All inputs good and all speaker outputs working at equal volume levels.
Cosmetic condition is excellent. The face is very clean and free of any notable blemishes. There is a very small set of scratches along the top rail. The wood panels are in nice shape overall. There are some small nicks on the bottom of each panel at the corners - out of sight. From 3-4 feet away, this receiver looks brand new. See photos for details.
| PRE / MAIN section | |
| Power output : | 2x 50W (8 Ohm, 20Hz...20Khz, 0,5% THD) |
| Inputs & S/N ratio : | phono 1: 2,0mV / 100kOhm / 70dB |
| phono 2: 2,0mV / 100kOhm / 70dB | |
| aux.: 200mV / 50kOhm / 80dB | |
| tape: 200mV / 50kOhm / 80dB | |
| Outputs : | 200mV / 100 Ohm (tape, pin) |
| 40mV / 50 Ohm (tape, DIN) | |
| ±1dB (RIAA) | |
| Frequency response : | 20Hz...20Khz (aux/tape, ±1dB) |
| Bass control : | ±10dB at 100Hz |
| Treble control : | ±10dB at 10Khz |
| Loudness switch : | +8dB at 100Hz |
| +6dB at 10Khz | |
| Low filter : | -9dB at 100Hz |
| High filter : | -9dB at 5Khz |
| | 4-channel section |
| 4-channel separation : | 25dB (front / rear) |
| 50dB (left / right) | |
| Low-pass filter slope : | 18dB/oct. |
| Phase-shifting networks : | 8-pole |
| Center to Back/Front variable blending : | up to 20dB improvement |
| | TUNER section |
| Usable sensitivity : | 1,8dBf (IHF) |
| S/N ratio at 1mV input : | 63dB |
| THD at 65dBf : | 0,5% (400Hz, mono) |
| 0,8% (400Hz, stereo) | |
| Frequency response : | 20Hz...15Khz (+0/-1,5dB) |
| Capture ratio : | |
| Image rejection ratio : | 60dB |
| IF rejection ratio : | 90dB |
| AM suppression ratio : | 60dB |
| Stereo separation : | 40dB (1Khz) |
| 20dB (10Khz) | |
| Sub-carrier suppression : | 45dB |
| Antenna impedance : | 300 Ohm unbalanced |
| 75 Ohm balanced | |
| | General |
| Dimensions : | |
| Weight : | 46.3 lbs. |
| Included : | KCD-2 CD-4 demodulator |