Subscriber loudspeaker '' Nevsky-311 ''.
Subscriber loudspeakers.DomesticThe subscriber loudspeaker "Nevsky-311", presumably since 1982, has been produced by the Leningrad plant "Plastpribor". Since the beginning of 1988, the subscriber loudspeaker was referred to as "Nevsky AG-311". Conventional 30-volt subscriber loudspeaker without features.
