Daugava 1954
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Since 1954, the Daugava tube network radio receiver has been produced by the Popov Riga Plant. The first releases of the receiver were called "Santa." Until 1956, the design of the radio was similar to the Daugava radio, with an opening scale (main and 4th photo). It was possible to supplement the receiver with an appropriate electronic control unit and a radiol was obtained. At the end of 1955, its own design of the radio was developed. "Daugava" - a 6-tube superheterodyne receiver of the second class, designed to receive radio stations in the DV, CB and two HF subbands: 23.95 ... 7.4 MHz and 9.4 ... 12.1 MHz. Adjacent Channel Selectivity 34 dB. Sensitivity 50 μV on all ranges. Rated power output 2 watts. Handles for control are located in niches on the side walls. The horizontal scale with a slope, where in addition to the divisions indicating the frequency, the names of the DV and CB radio stations are plotted. For a more complete picture of the model, see the Daugava radio page.
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Information from collection of Valery Khartchenko