Subscriber loudspeaker "Beshtau".
Subscriber loudspeakers.DomesticSince 1986, the subscriber loudspeaker "Beshtau" has been produced by the Lermontovsky plant "Microom", Stavropol Territory. Souvenir AG is designed to reproduce the first low-frequency program of local wire radio broadcasting with a voltage in the radio line of 30 volts.
