Subscriber loudspeaker `` Ala-Tau ''.

Subscriber loudspeakers.DomesticThe subscriber loudspeaker "Ala-Tau" has been produced since 1971 by the Alma-Ata Production Association "Kyzyl Tu". This is a standard Class 3 subscriber loudspeaker. Input voltage 30 V. Power consumption 0.15 W. Average sound pressure 0.25 Pa. Sound pressure frequency range 160 ... 5000 Hz. Uneven frequency response - 15 dB. Input impedance is 3600 ohms. THD at a frequency of 400 Hz - 8%. Dimensions AG 200x198x75 mm. Weight 900 gr. The price is 5 rubles. The first issues came with a cardboard back wall, then presumably since 1974 with a plastic one. The AG volume knob in the first three photos is not standard.