Network tube radio gramophone '' Jubilee-Stereo ''.
Electric players and tube electrophonesDomesticThe radio gramophones "Jubilee-Stereo" and "Jubilee-Stereo" (RG-4S) from 1957 and from 1959, respectively, were produced by the Leningrad plant No. 779. RG "Jubilee-Stereo" had 3 speeds of rotation of the disk: 33, 45 and 78 rpm. Each of the two speakers has 4 loudspeakers. The amplifiers are assembled on 7 tubes with push-pull output stages. The model has a tone control for bass and treble. Rated power 2x5 W, maximum 2x12 W. The frequency range of the path, including the AC - 70 ... 12000 Hz. THD at rated power 0.5%. The radio gramophone cost 1200 pre-reform rubles, with an average salary of 400 rubles, so due to low demand, about 900 devices were produced, then it was modernized and made cheaper. The new model has been produced since 1959 with the same name, but with the RG-4S index. This device began to be considered the first domestic stereophonic radio gramophone (electrophone). It had the following parameters: rated output power 2x2 W; frequency range 100 ... 10000 Hz; SOI - 3%. Power consumption 60 watts. The kit fits in three packages. The speakers are placed in two packages with dimensions 375x260x93 mm and weighing 3.6 kg each. The third package contains an electrophone, measuring 375x260x150 mm and weighing 6.4 kg.
