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Stationary tuner-amplifier "Corvette-004-stereo" since 1982 produced Taganrog factory "Surf". `` Corvette-004 stereo '' consists of a high-quality AM-FM tuner and UKU. The device is designed to receive programs of broadcasting stations in the medium and ultrashort waves, as well as to amplify low-frequency signals from an electronic control unit and tape recorder. There is an AFC and BSN in the UKB range, an indication of the fine tuning of the direction indicators in the NE and VHF ranges, automatic switching to stereo reception with the simultaneous inclusion of a stereo transmission indicator. The UKU unit consists of a 6-band tone control and a high-quality pre-amplifier and power amplifier. The volume control is loud, with the ability to turn off loudness. Transmissions can be listened to stereo phones or external speakers 4 ... 8 0m and a power of at least 15 watts. Short characteristic: Ranges of the accepted frequencies: VHF - 65.7 ... 73 MHz. SV - 525 ... 1605 kHz. Sensitivity in the range: VHF - 2.5 μV. SV - 150 μV. Selectivity for the mirror channel in the range: VHF - 70 dB. SV - 36 dB. The maximum output power of the UKU with a load resistance of 4 0m - 2x50 watts. SOI tract: AM - 3%. World Cup - 1%. UKU - 0.1%. Nominal frequency range of the path: AM - 63 ... 3550 Hz. FM - 31.5 ... 15000 Hz. UKU - 20 ... 20,000 Hz. Transient attenuation between stereo channels at a frequency of 1000 Hz of paths: receiving 28 dB. amplifier 50 dB. Input sensitivity: 3 mV magnetic pickup, 250 mV universal pickup, 250 mV tape recorder. Dimensions 450x165x378 mm. Weight 17.5 kg.