Subscriber loudspeaker "Cosmos".
Subscriber loudspeakers.DomesticSince 1963, the subscriber loudspeaker "Cosmos" has been produced by the Leningrad Radio Products Plant. This is a standard subscriber loudspeaker designed to reproduce a local radio program transmitted over a broadcast line. Input voltage 30 (or 15) volts. Type - 0.15GD-III-7. Power consumption 0.15 W. The range of reproducible sound frequencies is 200 ... 4000 Hz. Average sound pressure 0.2 N / m2. Input impedance 6 kOhm. Subscriber loudspeaker dimensions - 200x100x65 mm. Weight - 750 gr. Retail price - 5 rubles. Since 1963, the Kiev Electromechanical Plant has also produced a subscriber loudspeaker "Cosmos", which, apart from the price (3 rubles 50 kopecks), did not differ from the one described (see the last photo).
