Subscriber loudspeaker '' Donbass-307 ''.
Subscriber loudspeakers.DomesticSubscriber loudspeaker "Donbass-307" from the 1st quarter of 1985 produced the Makeevka plant of electrical household products "Impulse". AG Donbass-307 is a standard subscriber loudspeaker for radio lines with a voltage of 30 V, which replaced the AG Donbass-306. The range of reproduced sound frequencies is 160 ... 6300 Hz. Sound pressure in the frequency band - 315 ... 4000 Hz - 0.25 Pa. For more details, see the passport for the AG.
