Subscriber loudspeaker "Harp".
Subscriber loudspeakers.DomesticThe subscriber loudspeaker "Arfa" has been produced since 1952 by the Voronezh plant "Electrosignal". AG "Arfa" was created on the basis of AG model "Voronezh" 1952, Voronezh plastics plant. Since 1954, the loudspeaker "Arfa" has also been produced at the Ryazan Radio Plant. The release of the loudspeakers "Arfa" in Voronezh was short-lived, the main release fell on Ryazan, where AGs were produced until 1965. Loudspeakers 1GD-5 (round) in 1958 were replaced by 1GD-9 (oval), and in the early sixties by 1GD-28 (oval).
