Topaz 1962
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In the fall of 1962, the transistor radio Topaz produced the Vladivostok plant Radiopribor. The radio receiver is created on the basis of the "Start" model, somewhat modernized and intended for receiving radio stations in the range of the Far and Continental. In the circuit, seven transistors. Sensitivity in the DV ranges - 3 mV / m, SV - 2 mV / m. The adjacent channel selectivity is 20 ... 24 dB. The receiver has AGC. Band of reproducible frequencies 450 ... 3000 Hz. Rated output power 100 mW. In the absence of a signal, the receiver consumes a current of 5 mA. Powered by a 7D-0.1 battery or Krona-1 or 2 batteries with which the receiver is supplied for sale. When picking the battery - included charger. Installation is made on the PCB. The body is made of unbreakable plastic, has a removable cover attached to the body with locks and screws. On the back cover there are pins for charging the battery. For carrying a leather case included. The dimensions of the receiver 152x90x39 mm, weight 480 g. The radio receiver is quite rare, since it was released in an amount of about 2 thousand copies.
Information from collection of Valery Khartchenko