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Since 1985, the Kvarts-309 and Kvarts-309-1 portable radios produced the Kyshtym radio plant. Radio sets '' Quartz-309 '' and '' Quartz-309-1 '' are assembled according to the general scheme and design. The Kvarts-309 radio receiver operates in the MW and KV 5.95 ... 12.2 MHz bands, and in the Kvarts-309-1 radio receiver, the mid-wave range is replaced by the long-wavelength one. Since 1987, the RP prefix has been added to the name of the receiver "Quartz-309". Power of any of the receivers is carried out from 4 elements of A-316. The sensitivity of the receivers in the ranges of SV 1.5 mV / m, DV 2.5 mV / m, KV 0.75 mV / m. Selectivity in the bands of 20 dB, DV 26 dB, KV 14 dB. Rated output power 100 mW, maximum 150 mW. The operating frequency range is 450 ... 3150 Hz. Dimensions of any receiver 176x112x48 mm. Weight 540 grams. Radios Kvarts-309 "were produced mainly in black, although green, brown and blue colors were seen. In the Kvarts-309 radio sets, the CB-KV scale often changed places. The Quartz -309-1 radio sets were released in a rather limited series Radio sets "Quartz-309" were also produced in export versions.
Based on information from collection of Valery Khartchenko