Subscriber loudspeaker "Voronezh".

Subscriber loudspeakers.DomesticSince 1954, the Voronezh subscriber loudspeaker has been produced by the Univertrud Voronezh artel. AG "Voronezh" (type 0.25GD-III-3 or 0.25GD-II-1) is designed to receive one radio program transmitted over a local wire radio broadcasting network with a voltage of 30 volts.