Subscriber loudspeaker `` Ufa ''.
Subscriber loudspeakers.DomesticSince 1951, the subscriber loudspeaker "Ufa" has been producing mailbox plant No. 31 in the city of Ufa (a defense plant). The subscriber loudspeaker "Ufa" is similar to the loudspeakers of the "Chaika" type and is intended for listening to a wire broadcasting program with a voltage in the radio network of 30 volts. The AG has a rheostat-type volume control and a transitional transformer. The operating sound frequency range is 150 ... 5000 Hz. Rated input power 0.2 W. AG weight 1.1 kg. The first loudspeakers had a main body made of wood, and a front cover made of plastic (Bakelite), and later the cabinet was made of Bakelite.
