Subscriber loudspeaker "Ether".

Subscriber loudspeakers.DomesticThe "Ether" subscriber loudspeaker, presumably since 1969, has been produced by the Karpinsky Electric Machine Building Plant. "Ether" is a standard subscriber loudspeaker of the 3rd class. Power input 0.15 W. Average sound pressure 0.25 Pa. The range of reproducible sound frequencies is 160 ... 5000 Hz. Input impedance 3.6 kOhm. Dimensions AG - 265x171x85 mm. Weight 1.1 kg.