Network tube radio receiver "Minsk S-4".

Tube radios.DomesticSince 1947, the Minsk S-4 radio receiver has been produced by the Minsk Radio Plant named after V.I. Molotov. "Minsk S-4" is a four-lamp, three-band DV, SV, KV, network desktop superheterodyne radio receiver, assembled in a polished wooden case. From the beginning of 1951, the radio was also produced by the Minsk Radio Plant. Bands: LW: 150 ... 410 kHz (2000 ... 732 m), MW: 520 ... 1600 kHz (577 ... 187 m), HF 5.5 ... 15.4 MHz (54, 7 ... 19.46 m). IF 465 kHz. Sensitivity in the ranges: DV, SV - 200 µV, KV - 300 µV. Selectivity on the adjacent channel in the ranges: DV, SV, KV - 26 dB. Rated output power 0.7 W. The band of reproducible frequencies is 150 ... 3000 Hz. Power consumption from the network is 50 watts.