Mir subscriber loudspeaker.
Subscriber loudspeakers.DomesticThe "Mir" subscriber loudspeaker, presumably since 1965, has been produced by the Leningrad Radio Products Plant No. 3. "Mir" is a standard subscriber loudspeaker designed to operate in a 30-volt broadcast radio network. Type 0.15GD-III-6. The frequency range is 160 ... 5000 Hz.
