8AS-3 1978
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Acoustic systems "8АС-3" and "8АС-4" have been produced since 1978 and 1979. The AC "8AC-3" (2 Ohms) was included in the set of the "Spring-201-stereo" tape recorder, and the AC "8AS-4" (8 ohm) in the Nocturn-211 and Rondo-204 sets -Stereo. Both speakers are almost the same in design and construction, except for parallel or sequential switching on the speakers and a slight difference in design. Each speaker has 2 wideband 4ГД-35-05 loudspeakers (8ГДШ-1-4). a rectangular plywood box with a removable perforated cardboard back wall. The front of the speaker is lined with a fabric. tree species. Plastic plates were glued to the lower and upper walls of each speaker. Frequency range 63 ... 12500 Hz. Irregularity of the response 16 dB. Average sound pressure 0.25 Pa. UNFR - 3 ... 6%. The long-term power is 15 W. AC dimensions - 470x270x170 mm. Mass - 4.5 kg. The AU was produced by the Zaporozhsky EMZ Iskra, the Grozny Radio Works and the Kazan Electrotechnical Plant.
Information from collection of Valery Khartchenko