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The carriage loudspeaker "GV-1" was produced presumably since 1971 by the Dnepropetrovsk Electrical Equipment Plant.
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The loudspeaker is intended for broadcasting radio broadcasts of the train node of wire broadcasting.
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Specifications: Rated voltage supplied to the speaker input - 30V;
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the nominal frequency range is not already 160 ... 5000 Hz;
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a range of volume control of at least 32 dB.
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The nominal voltage in the radio network is 30 V. The dimensions of the loudspeaker are 68x142x210 mm.
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Weight 860 g. The loudspeaker can be used as a regular subscriber loudspeaker.
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