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Since 1951, the networked tube radio "Riga-6" has produced the Popov Radio Station of Riga. The network radio of the 2nd class "Riga-6" in its parameters fully complied with the standards of those years for the radio receivers of the 2nd class, and exceeded them in sensitivity and selectivity. The power of the receiver is carried out from the el. network. The sound pressure developed by a loudspeaker at an output power of about 1.5 W in a reproduced frequency band of 100 ... 5000 Hz is 15 bar. The power consumed from the mains 55 watts. The radio receiver allows reception on the ranges: DV 723-2000 m (I), CB 187.5-576.9 m. (II), two KV 40.5-75.9 m (III) and 24.7-32 m (IV), and can also be used to play records from external EPU. The radio has a jack for an additional speaker. FC = 464 kHz The box is stamped from sheets of steel, covered with dark-colored nitroenamel. The front wall is carbolic. The dimensions of the receiver are 429x325x230 mm. Its weight is 15 kg. In 1953, the frame of the receiver scale and the scale itself were improved.