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Since 1957 and 1960, the Leningrad Plant named after M. Gorky has produced a radiogrammophone network lamp Yubileyniy RG-3 and Yubileiny RG-3M Zhdanov (not exactly). The radiogramfon '' RG-3 '' consists of a turntable and a woofer amplifier with a loudspeaker placed in a portable case. The WG reproduces a recording from ordinary and long-playing records at a speed of 78 and 33 rpm. There is hitchhiking, with the help of which the disc stops automatically at the end of the audio track of the disc. Piezo-ceramic pickup with universal head. Three-stage amplifier on 6H9C and 6P6S lamps. In the rectifier lamp is 6TS5S. The amplifier has a volume control and timbre on the treble. The band of operating frequencies is 150 ... 7000 Hz. Nominal output power of 1 W, with SOI 1.5%. The 1GD-9 loudspeaker is installed in the case cover. Power consumption 60 watts. The dimensions of the WG - 160x260x375 mm, weight 5.7 kg. In 1960, the WG modernized. Lamps of type 6N9S, 6P6S are replaced by 6N2P and 6P14P, transformers are reduced, the scheme is changed. The loudspeaker is replaced by 1GD-18 (1GD-28). Simplified EPU, entered speed 45 rpm. WG became known as RG-3M. Improved frequency response from 100 to 8000 Hz, reduced weight to 4.5 kg, power consumption up to 40 watts.