MP-64 1967
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The small-sized radio receiver "MP-64" (Bluebird) since 1967 produced the Ryazan Radio Plant. Radio "MP-64" (Tit) is designed to work in the field. It is assembled on 13 transistors according to the superheterodyne scheme with automatic gain control and ensures reception of broadcasting stations with amplitude modulation in the long and medium wave bands at the internal magnetic antenna, as well as short waves at the telescopic antenna. It is possible to receive on all subranges to an external antenna. The receiver is powered by batteries or an external source. The receiver stores the parameters at temperatures from -10 to 40 ° C. Specifications: The frequency range of the receiver is divided into 6 subranges: long, medium and short waves with stretched subranges 49, 31, 25 and 19 meters. The sensitivity of the receiver in the HF subbands of 100 µV. With an internal magnetic antenna in the Far East - 2.5 mV / m, SW - 1.5 mV / m. The adjacent channel selectivity is 30 dB. The intermediate frequency is 465 kHz. Rated output power 100 mW. Frequency range 250 ... 3500 Hz. CED receiver 8%. Weight without cover about 2.25 kg. The radio MP-64 (Sinichka) was intended mainly for political instructors of all ranks in military schools and in the army to track news and events occurring in the world and for subsequent transmission of information on political studies.
Information from collection of Valery Khartchenko