Subscriber loudspeaker '' 0.25GD-III-2 ''.
Subscriber loudspeakers.DomesticThe subscriber loudspeaker "0.25GD-III-2" has been produced since 1952 by the Leningrad Radio Products Plant No. 3. The subscriber loudspeaker was produced in two versions, differing in the type of loudspeaker and volume control used. Photos belong to "Young Technician", St. Petersburg (nickname on forums).
