Network tube radio receiver `` Minsk-55 ''.

Tube radios.DomesticSince 1955, the Minsk-55 vacuum tube radio receiver has been produced by the Minsk Radio Plant named after Molotov. Minsk-55 is a first-class eleven-lamp superheterodyne. It is designed to receive broadcasting stations in the LW, MW and 4 shortwave bands. A feature of the receiver is the use of a drum range switch in it and an automatic transition to work according to the direct amplification scheme when receiving powerful and local radio stations. The receiver uses radio tubes: 6K3, 6A7, 6B8S, 6G2, 6N9S, 6P6S, 6E5S, 5TS4S. Ranges DV, SV, KV-I 11.5 ... 12.1 MHz, KV-II 9.1 ... 9.8 MHz, KV-III 6.31 ... 10 MHz, KV-IV 3, 95 ... 6.26 MHz. IF = 465 kHz. Sensitivity 50 μV, all ranges. Selectivity on the adjacent channel 50 dB, on the mirror on the DV 60 dB, SV 50 dB, HF 26 dB. The rated output power of the LF amplifier is 4 W. The range of reproducible sound frequencies in the direct amplification mode is 60 ... 6500 Hz. The power consumed by the receiver from the electrical network is 127 or 220 volts 120 watts. Receiver dimensions 712х377х504 mm. Its weight is 45 kg.