Mir subscriber loudspeaker.
Subscriber loudspeakers.DomesticThe subscriber loudspeaker "Mir" has been produced since 1953 by the Leningrad Radio Products Plant. Mir is a standard subscriber loudspeaker designed to operate a 30-volt radio broadcasting network. Input impedance 4800 ohms. Power consumption 47 mW. The range of reproducible sound frequencies is 1- 50 ... 5000 Hz. Frequency response unevenness (AFC) - 17 dB. The average sound pressure is 2.5 bar.
