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The portable radio receiver of the 4th class "Almaz" has been produced by the Leningrad plants "Novator and" Radiopribor "since 1964. Power supply - rechargeable battery 7D-0.1 or Krona. Rated output power 50 mW. Ranges CB, DV, where the sensitivity is 1.5 ,86e6f450b8cc469628ba70bf2947b049mV / m and 2.5 mV / m. Selectivity in the adjacent channel 16 and 20 dB, in the mirror 20 dB. The range of reproducible sound frequencies 450 ... 3000 Hz. The main parameters are retained when the supply voltage is reduced to 7.2 V. Dimensions ,86e6f450b8cc469628ba70bf2947b049models 134x83x34 mm Weight 380 g For carrying the receiver is placed in a leather case.The receiver was produced in different design options until 1972. The Radiopribor plant, after the model was finished, produced repair kits for workshops and radio amateurs, consisting of a housing with a loudspeaker ,86e6f450b8cc469628ba70bf2947b049, boards (assembled and configured or a board and components) from which a similar receiver could be assembled.The cost of such a receiver was 30% cheaper than the factory one.,86e6f450b8cc469628ba70bf2947b049,null,ru,null,null,null,null