Subscriber loudspeaker "Cheremshina-310".

Subscriber loudspeakers.DomesticThe subscriber loudspeaker "Cheremshina-310", presumably since 1982, has been producing the Lviv Production Association named after the 50th Anniversary of October (previously it was the Lviv Telegraph Equipment Plant). The subscriber loudspeaker "Cheremshina-310" is designed to reproduce a low-frequency program transmitted over local wire networks with a voltage of 30 V. The model uses a 1GD-30 loudspeaker and a small-sized transitional transformer. Rated input power - 0.15 W. The average sound pressure is 0.25 Pa. The operating sound frequency range is 160 ... 5000 Hz. SOI - 8%. Input impedance 3.6 kOhm. Loudspeaker dimensions - 250x166x78 mm. Weight - 1.5 kg. Retail price - 5 rubles.