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Radio network lamp "Ural-47" since 1947 was produced at the Sarapul Radio Plant them. Ordzhonikidze, and since the autumn of 1948, and at Plant No. 626 of the NKV (Sverdlovsk Plant of Automatics). Radiol '' Ural-47 '' is a six-lamp receiver, combined with an electroplay device. The frequency ranges are: DV 150 ... 420 kHz, CB 520 ... 1500 kHz, HF 4.4 ... 15.5 MHz. The sensitivity of the receiver is 100 µV. Selectivity - 26 dB. Maximum output power - 4 watts. The range of sound frequencies when receiving - 100 ... 4000 Hz, while listening to records - 100 ... 6000 Hz. Power is supplied from the mains. The power consumption is 80 W when receiving broadcast radio stations and 100 W when playing records.