Belarus'-53 1953
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Since 1953, the Belarus-53 network tube radio receiver has been produced by the Vladimir Molotov Minsk Radio Plant. The receiver is a first-class 14 tube superheterodyne. The receiver has 6 ranges: LW, CB and 4 HF, of which 2 are half-stretched 30 ... 47 m and 48 ... 76 m and 2 stretched 25 and 31 m. In addition to smooth tuning, there is the possibility of a fixed tuning for 6 radio stations: 2 on LW and 4 at 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, he switches from a superheterodyne circuit to a direct amplification circuit. The receiver has a silent tuning unit. Adjusting the tones allows you to select the desired color of the sound. Two loudspeakers are installed in the receiver, the diameter of the diffusers of which is 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 watts. Sensitivity with smooth tuning 50 μV, with a fixed 200 μV. Adjacent Channel Selectivity 46 dB. The power consumed from the network is 135 watts. The receiver uses a drum type switch. The receiver is built according to the block scheme, its chassis is a steel frame on which 6 blocks are installed: high-frequency, frequency inverter, low-frequency path blocks, power block, button settings, tone controls, volume controls and silent settings. The case is finished with walnut veneer and polished. A large horizontal scale and a massive flywheel on the axis of the control knob make operation convenient. The mass of the receiver is 35 kg. The radio receiver was produced until 1962 in several design options for the case and the back wall.
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Information from collection of Valery Khartchenko