Subscriber loudspeaker "Zarya".
Subscriber loudspeakers.DomesticSince 1953, the subscriber loudspeaker "Zarya" has been produced by the Moscow Radio Plant Krasny Oktyabr. The Zarya subscriber loudspeaker is designed to operate in the Moscow radio broadcasting network with a line voltage of 15 volts. Rated power consumption 0.2 W. The range of reproducible sound frequencies is 200 ... 4000 Hz. Input impedance 5600 ohms. Nominal sound pressure 2 bar.
