Subscriber loudspeaker Vostok.
Subscriber loudspeakers.DomesticThe subscriber loudspeaker "Vostok", presumably since 1956, has been producing the Krasnoselsky plant of plastic products and an unidentified plant at PO Box 275, Molotov, (Perm). "Vostok" is a standard 30-volt subscriber loudspeaker without features.
