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Subscriber loudspeaker "Bakelitas" (0.25 GD-III-I), presumably since 1954, was produced by the artel "Bakelitas", Vilnius.
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AG is intended for reproduction of broadcasting programs transmitted over wired radio broadcasting networks.
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It is designed for a line voltage of 30 V and an input power of 50 ... 250 mW.
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The input impedance of the matching transformer is 3.6 kOhm.
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The range of effectively reproducible sound frequencies is 150 ... 5000 Hz.
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The average sound pressure is 3 bar.
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The unevenness of the frequency response is 18 dB.
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Volume control rheostat type.
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The cord with a plug for connecting to a radio socket is 1 meter long.
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AG weight - 1 kg.
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