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The subscriber loudspeaker '' 60 years of the USSR '' has been produced since 1981. The souvenir loudspeaker is designed to reproduce the low-frequency channel transmissions in a broadcasting network of wired radio. The loudspeaker was produced for a 15 or 30 V radio network, with a cord and plug or pins for plugging into a socket mounted in the housing. The audio frequency range is 250 ... 5000 Hz. AG dimensions - 120Ñ…65Ñ…50 mm. Weight 400 grams.