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Since 1979, the Sphere-301 subscriber loudspeaker has been producing the Moscow Electromechanism Plant.
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Spherical subscriber loudspeaker `` Sphere-301 '' with Olympic (or other) symbols is designed to receive radio programs transmitted over local wired radio broadcast networks.
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The applied voltage is 30 (15) volts.
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The brought power - 150 mW.
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The range of reproduced frequencies of sound is 160 ... 6200 Hz.
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AG mass - 1 kg.
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