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Stationary transistor radio "Avangard" was developed in 1965 in two versions by the Kozitsky Leningrad plant.
The first option is stereo.
The stereo radio of the third class `` Vanguard '' is assembled on 16 transistors.
It is designed to work in the ranges of long, medium and ultrashort waves, as well as playing phonograph records of all formats at speeds of 33 rpm and 78 rpm.
The radio receiver has a sensitivity in the AM ranges when operating with an external antenna of 30 ... 60 μV, in the VHF range of 5 ... 7 μV.
The rated output power of the low-frequency radio amplifier is 2x1 watts.
The range of sound frequencies reproduced by acoustic systems when playing phonograph records, as well as when receiving programs in the VHF-FM range is 100 ... 10000 Hz.
There is a tone control for treble.
The radiol is powered from a network of 127 or 220 V. Power consumption from the network is 16 watts.
The mass of the radio is 9 kg.
The stereo effect was present only when playing a record.