Sorry, this page is not translated yet. Automatic translation used.
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
mV / m and 2.5 mV / m. Selectivity on the adjacent channel 16 and 20 dB, on the mirror 20 dB. IF - 465 kHz. The range of reproducible sound frequencies 450 ... 3000 Hz. The main parameters remain when the supply voltage is reduced to 7
, 2 V, and the operation of the receiver up to 5.6 V. Dimensions of the model 134x83x34 mm Weight 380 g For carrying the receiver is placed in a leather case.The receiver was produced in different design options until July 1972. The Radiopribor plant also produced repair kits for
workshops and radio amateurs consisting of a housing with a loudspeaker, a board (assembled and tuned or a board and components) from which it was possible to assemble a receiver similar to the factory one.The cost of such a receiver was 30% cheaper than the factory one.