Subscriber loudspeaker "Cheremshina".
Subscriber loudspeakers.DomesticSince 1972, the subscriber loudspeaker "Cheremshina" has been producing the Lviv Telegraph Equipment Plant. The subscriber loudspeaker of the 3rd class "Cheremshina" is designed to reproduce broadcasting programs transmitted over broadcast lines with a voltage of 15 or 30 volts. The plant produced version "A" for 15 V lines and version "B" for 30 V. Rated power consumption 0.15 W. Sound frequency range 160 ... 5000 Hz. Uneven frequency response 15 dB. The input impedance from the line is 3.6 kOhm. Average sound pressure 0.25 Pa. Nonlinear distortion factor at a frequency of 400 Hz - 8%. Dimensions AG 250x166x78 mm. Weight is not more than 1.5 kg.
