Selga-402 1970
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The portable transistor radio "Selga-402" (Selga-2) since the beginning of 1970 has been producing the Riga Radio Plant named after AS Popov. '' Selga-402 '' is the first domestic receiver in which silicon transistors are used. The receiver is designed to receive radio stations in the bands DV and CB. Reception is carried out on the internal magnetic antenna, there are sockets for connecting an external antenna and a miniature telephone. The receiver is housed in a leather case. The schematic diagram and design makes it possible in the future to use integrated circuits in it. The receiver sensitivity is about 1.5 mV / m. The adjacent channel selectivity is 20 dB. Rated output power 100, maximum 200 mW. Dimensions at the receiver 170x100x47 mm. Its weight is 500 grams. Power supply of the radio receiver "Selga-402" is made from a battery of the type "Krona VTs" or a battery "7D-0.1".
Information from collection of Valery Khartchenko