Tube network radio receiver `` Belarus-53 ''.
Tube radios.DomesticSince 1953, the network tube radio receiver "Belarus-53" has been produced by the Minsk Radio Plant named after V.M. Molotov. The receiver is a first class 14 tube superheterodyne. The receiver has 6 ranges: LW, MW and 4 KV, of which 2 half-stretched 30 ... 47 m and 48 ... 76 m and 2 stretched 25 and 31 m.In addition to smooth tuning, there is a possibility of fixed tuning to 6 radio stations: 2 to DV and 4 on NE. The transition from one radio station to another is carried out using a push-button switch. The receiver allows for high quality reception of local radio stations. To do this, it switches from a superheterodyne circuit to a direct amplification circuit. The receiver has a silent tuning block. Tone control allows you to select the desired sound color. The receiver has two loudspeakers with a diffuser diameter of 220 mm, which, together with the large volume of the case, made it possible to obtain effective reproduction of low frequencies, starting from 50 Hz. Rated output power 4 W. Sensitivity at a smooth setting of 50 µV, at a fixed 200 µV. Adjacent channel selectivity 46 dB. The power consumed from the network is 135 W. The receiver uses a drum-type switch. The receiver is built according to a block scheme, its chassis is a steel frame on which 6 blocks are installed: HF, IF, LF path blocks, power block, push-button settings, tone controls, volume and silent settings. The case is finished with walnut veneer and polished. Large horizontal scale and massive handwheel on the axis of the knob make it easy to operate. Receiver weight 35 kg. The radio was produced until 1962 in several design options for the case and back wall.
