Subscriber loudspeaker "GD-0.1".

Subscriber loudspeakers.DomesticSince 1940, the subscriber loudspeaker of the "GD-0.1" type has been produced by the Leningrad plant named after Kulakov. AG is designed to operate in a wire broadcasting network with a line voltage of 15 or 30 volts. Power consumption 0.1 W. The range of reproducible frequencies is 150 ... 6000 Hz.