Subscriber loudspeakers Meschera, models 301 and 302.
Subscriber loudspeakers.DomesticSubscriber loudspeakers "Meschera", models 301 and 302, have been produced since 1990 by the Ryazan Radio Plant. AG "Meschera-301" is designed to operate in a wire radio network with a voltage of 30 V, and "Meschera-302" in a radio network with a voltage of 15 V. Structurally, the devices are made the same and differ in individual circuit elements. The range of reproducible frequencies is 160 ... 7000 Hz, with an uneven frequency response of 15 dB. Average sound pressure 0.25 Pa. Harmonic distortion 3%. Volume control range 35 dB.
