KENWOOD KT-V990
¥ 59,800 (around 1987)
Commentary
FM/AM/TV tuner tv tuner equipped with a TV tuner with a pentacle circuit.
It is equipped with Kenwood's original 4D system.
The front end is composed of a direct linear reception circuit, the IF amplifier is composed of a distortion collecting circuit, the detector is composed of a direct linear loop detector, and the stereo demodulation circuit is composed of a direct pure decoder to improve basic performance.
The pentacle circuit directly connects the power supply and each stage at the shortest distance, eliminating interference between the stages via the power supply and greatly improving low-level regenerative capability.
To improve the signal-to-noise ratio in the UHF band, we use Hi-Q silver-plated copper wire coils with silver-plated copper wires to prevent noise.
In addition, it is equipped with a TV sound control circuit that can be switched between MUSIC and NEWS and is designed to be able to enjoy the sound of TV freely.
It is equipped with 20-station random memory function and auto-tuning mechanism.
When the Active Reception Circuit is ON, the Distance/Direct of the R. F selector and Narrow/Wide of the IF selector are automatically set, and the best position is always selected.
Equipped with an auto Chinese arrowhead function that can receive a long-distance station at a high SN ratio.
In addition to RF selector and IF band switching function, Rec calibration function and 3-station program function are equipped.
Rotary encoder method is used for tuning.
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Model Rating
| Type | FM/AM/TV Tuner | ||||
| <FM tuner> | |||||
| Receiving frequency range | 76 MHz to 90 MHz | ||||
| Antenna impedance | 75 Ω unbalance | ||||
| Sensitivity (75 Ω) | Distance : 0.95 μ V/10.8 dBf Direct : 10 μ V/31.2 dBf |
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| SN ratio 50 dB sensitivity |
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| Harmonic distortion factor (1 kHz) |
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| SN ratio (100% modulation, 85 dBf input) | mono:100dB stereo:92dB |
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| Capture ratio | wide:1.0dB narrow:2.5dB |
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| Effective selectivity (IHF) | wide:60dB narrow:75dB |
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| Stereo separation | wide:65dB(1kHz) | ||||
| Frequency characteristic | 20 Hz to 15 kHz ± 0.5 dB | ||||
| Image interference ratio (84 MHz) | 90dB | ||||
| IF Interference Ratio (84 MHz) | 120dB | ||||
| Spurious interference ratio (84 MHz) | 110dB | ||||
| AM suppression ratio (65.2 dBf) | 72dB | ||||
| Subcarrier suppression ratio | 70dB | ||||
| Output Level / Impedance | 0.6V/3.3k Ω (1 kHz, 100% modulation) | ||||
| <AM Tuner> | |||||
| Receiving frequency range | 531 kHz to 1602 kHz | ||||
| Sensitivity | 10 μ V / 250 μ V/m | ||||
| Harmonic distortion factor (1000 kHz) | 0.25% | ||||
| Image interference ratio (1000 kHz) | 40dB | ||||
| IF Disturbance Ratio (1000 kHz) | 55dB | ||||
| Selectivity (IHF) | 30dB | ||||
| Output Level / Impedance | 0.18V/3.3k Ω | ||||
| Signal-to-noise ratio | 55 dB (30% modulation, 1 mV input) | ||||
| TV Tuner | |||||
| Receiving channel | VHF : 1-12ch UHF : 13 ch to 62 ch |
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| Antenna impedance | VHF : 75 Ω unbalanced UHF : 300 Ω balanced |
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| Sensitivity | VHF : 3.0 μ V UHF : 20 μ V |
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| Signal-to-noise ratio | VHF:68dB | ||||
| Harmonic distortion factor | 0.04% | ||||
| Channel separation | 45dB | ||||
| Output Level / Impedance | 0.45V/3.3k Ω (FM, 1 kHz, 100% modulation) | ||||
| <General> | |||||
| Pwer | 100 VAC, 50Hz/60Hz | ||||
| Rated power consumption (Electrical Appliance and Material Control Law) | 19W | ||||
| Maximum external dimensions | Width 440x Height 78x Depth 331 mm | ||||
| Weight | 4.1kg | ||||