Acoustic system '' 8AS-4 ''.
Acoustic systems, passive or active, as well as electro-acoustic units, hearing aids, electric megaphones, intercoms ...Passive speaker systemsAcoustic systems "8AS-3" and "8AS-4" have been produced since 1978 and 1979. АС '' 8АС-3 '' (2 Ohms) was included in the set of the "Spring-201-stereo" tape recorder, and АС "8АС-4" (8 ohms) was included in the sets of electrophones "Nocturne-211" and "Rondo-204 -stereo. Both speakers in design and design are almost the same, except for the parallel or sequential switching on of the speakers and a slight difference in design. Each speaker has 2 broadband loudspeakers 4GD-35-05 (8GDSH-1-4). a rectangular box made of plywood with a removable back wall made of perforated cardboard. The front speaker is finished with fabric. The body is pasted over with a film imitating valuable species of wood. Plastic covers are glued to the lower and upper walls of each speaker. Frequency range 63 ... 12500 Hz. Frequency response 16 dB. Average sound pressure 0.25 Pa. SOI - 3 ... 6%. Passport power 8 W. Long-term power 15 W. Dimensions of the speaker - 470x270x170 mm. Weight - 4.5 kg. The speakers were produced by Zaporozhye EMZ Iskra, Grozny radio plant and Kazan Electrotechnical Plant.
