Subscriber loudspeaker DGS-0.25.

Subscriber loudspeakers.DomesticSince 1950, the subscriber loudspeaker "DGS-0.25" has been produced by the Tula plant "Oktava". "DGS-0.25" stands for Dynamic Network Loudspeaker, with a power consumption of 0.25 watts. Subscriber loudspeakers were produced in various designs and from the factory were designed for a radio broadcasting network with a voltage of 30 volts. If necessary, and with the help of taps at the transitional transformer, the loudspeaker could be switched to a voltage of 15 or 60 volts, and in some instances to 120 volts.