RIS-35 1935
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The radio receiver network lamp "RIS-35" since 1935 produced the Leningrad plant "Radioman". "RIS-35" is the Radio Individual Network 35 (1935) of the development, is a four-lamp direct amplification radio receiver operating in the range of 200 ... 1900 meters. The range is divided into two sub-ranges 710 ... 1900 meters - long waves and 200 ... 710 meters - medium waves, without dips in reception. The model is powered from 110, 127 or 220 volt AC mains. Power consumption 60 watts. Output power of at least 1.5 watts. There is an adapter input for playing records from external EPU with a pickup.
Documentation:
Information from collection of Valery Khartchenko