Subscriber loudspeaker '' 0.25-GD-III-3 ''.

Subscriber loudspeakers.DomesticSince 1953, the subscriber loudspeaker "0.25-GD-III-3" has been producing the Leningrad Plant No. 3 of Radio Products. '' 0.25-GD-III-3 '' is the most common subscriber electrodynamic loudspeaker, except for an unusual case design and the location of the volume control on its back wall. This AG was not sold in stores, but was intended specifically for enterprises and institutions. There were several options for the design of this AG, with different loudspeakers and the location of the volume control, the execution of a case made of laminated cardboard impregnated with glue. There is indirect information that the plant did not produce these subscriber loudspeakers, but bought it, possibly from some cooperative.