Belarus'-57 1957
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The radio receiver and the Belarus-57 radio since 1957 has been produced by the Minsk Radio Works. "Belarus-57" has become another model of the series "Belarus", created and produced at the Minsk Radio Factory. This is a new development on 9 finger-type radio tubes with VHF-FM and high sound quality. DV and SV ranges are standard. HF range is divided into three subranges. The sensitivity in the range of VHF-FM is about 20 µV, on the remaining 50 µV. The selectivity of the neighboring channels is 46 dB, in VHF-FM 26 dB. The band of reproduced frequencies in the FM range is 80 ... 12000 Hz, in the other 60 ... 6500 Hz. Output power 5 watts. Loudspeakers in the speaker system of the receiver 5; LF front 2GDM-3 (2pcs) and HF VGD-1 (3pcs), front and two rear. The dimensions of the radio receiver are 620x300x440 mm. Its weight is about 17 kg. The price of a radio receiver since 1961 is 123 rubles 50 kopecks. Together with the receiver (for a fee), a table with an electric player was produced, with which the receiver turned into a radiolaire.
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Information from collection of Valery Khartchenko