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Radio and "Donets" radio since 1954 and 1955 were produced at the Berdsk and Kharkov radio plants. The receiver "Donets" was developed and began to be produced at the Berdsk radio factory since 1954. Since 1955, to expand the geography of promising devices produced, its production was launched in Kharkov, at the Kommunar plant. The Berd receiver had numerous flaws and an expert was asked to improve it. Specialist Octenko B.B, who eliminated the shortcomings and ensured the serial production of the receiver. In 1955, the "Donets" radio was also developed, which, apart from the universal electric power supply, did not differ from the receiver in addition to changes in the case and switching. The radio receiver is a class 2 seven-lamp apparatus, and the radio is supplemented with a universal EPU for playing ordinary and long-playing records. Frequency ranges: DV, SV standard, KV1 8.5 ... 12.1 MHz, KV2 3.92 ... 7.5 MHz, VHF 64.5 ... 73 MHz. The sensitivity of the receiver is 200 µV in the AM ranges, at VHF 20 µV. 30 dB selectivity, on VHF 20 dB. The output power of two loudspeakers type 1GD-5 (2GD-3) is at least 2 watts. The range of reproduced sound frequencies is 100 ... 4000 Hz on all bands, on VHF and when listening to recordings 100 ... 7000 Hz, (if 2GD-3 speakers are installed, then 80 ... 8000 Hz). Power consumption - 50/65 watts. The receiver dimensions are 510x354x295mm, its mass is 11.5 kg. Dimensions radiograhly 520h340h368 mm, weight 18 kg. The cost of a radio receiver is 87 rubles 95 kopecks, radio radios 104 rubles 20 kopecks. (1961).