Since 1963, the subscriber loudspeaker "Cosmos" has been produced by the Leningrad Radio Products Plant.
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This is a standard subscriber loudspeaker designed to reproduce a local radio program transmitted over a broadcast line.
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Input voltage 30 (or 15) volts.
,86e6f450b8cc469628ba70bf2947b049
Type - 0.15GD-III-7.
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Power consumption 0.15 W.
,86e6f450b8cc469628ba70bf2947b049
The range of reproducible sound frequencies is 200 ... 4000 Hz.
,86e6f450b8cc469628ba70bf2947b049
Average sound pressure 0.2 N / m2.
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Input impedance 6 kOhm.
,86e6f450b8cc469628ba70bf2947b049
Subscriber loudspeaker dimensions - 200x100x65 mm.
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Weight - 750 gr.
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Retail price - 5 rubles.
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Since 1963, the Kiev Electromechanics Plant has been producing a subscriber loudspeaker "Kosmos", which, apart from the price (3 rubles 50 kopecks), did not differ from the one described (see the last photo).
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