'' -306 '' '' -307 '' Subscriber loudspeakers '' Cheremshina-306 '' and '' Cheremshina-307 ''.

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