Sorry, this page is not translated yet. Automatic translation used.
The subscriber loudspeaker "Mir" produced since 1953 the Leningrad Radio Products Plant. Mir is a standard subscriber loudspeaker designed to operate a 30 volt broadcast network. Input impedance 4800 Ohms. Power consumption 47 mW. The range of reproduced sound frequencies is 1-50 ... 5000 Hz. Uneven frequency response (frequency response) - 17 dB. The average sound pressure is 2.5 bar.