Rodina-52M 1953
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Radio Motherland-52M battery since 1953 produced the Chelyabinsk Radio Works. In 1953, along with the release of the Motherland-52 radio receiver, production of the upgraded Motherland-52M model was launched. The radio received a different exterior design, small changes were in the electrical circuit. In all other respects, the model is similar in parameters, design and construction of an electrical circuit to a Rodina-52 receiver. In the new radio receiver, 1А1П, 1К1П, 1Б1П (2), 2П1П (2) lamps are used. Wave bands: LW 150 ... 415 kHz, CB 520 ... 1600 kHz, KV1 3.95 ... 8.33 MHz, KV2 8.33 ... 12.1 MHz. IF 465 kHz. Sensitivity in the ranges of DV, CB 200 µV, KV 300 µV. The adjacent channel selectivity is 26 dB, specular in DV, CB 30 dB, KV 10 dB. The range of reproduced sound frequencies is 150 ... 4000 Hz. Rated output power 150 mW. The dimensions of the radio receiver are 460x300x250 mm. Its weight is 12 kg. Since the fall of 1953, the Vladivostok plant Radiopribor has produced a radio receiver similar in design and design, but with the name "Homeland-53M".
Documentation:
Information from collection of Valery Khartchenko