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Subscriber loudspeakers "Cheremshina-306" and "Cheremshina-307" since 1979 produced the Lviv Telegraph Equipment Plant.
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Loudspeakers are designed to listen to programs transmitted over radio networks with a voltage of 30 V. AG can be placed on a table or suspended from a wall.
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The front grille of Cheremshiny-306 is made of impact-resistant polystyrene, and the Cheremshiny-307 of perforated aluminum sheet.
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The speakers of both loudspeakers consist of a dynamic head 0.5GD-42.
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Frequency range - 160 ... 6300 Hz;
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frequency response unevenness in sound pressure - 15 dB;
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average sound pressure - 0.23 Pa;
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the volume control range is 32 dB;
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the dimensions of the Cheremshina-306 loudspeaker are 190x194x78 mm, the Cheremshina-307 speaker is 166x238x86 mm;
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the mass of Cheremshina-306 AG - 1.26 kg, Cheremshina-307 - 1.1 kg;
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the price of any AG is 5 rubles.
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