Acoustic system '' 3AS-503 '' (8AS-220, 3AS-3).
Acoustic systems, passive or active, as well as electro-acoustic units, hearing aids, electric megaphones, intercoms ...Passive speaker systemsThe acoustic system "3AS-503" has been produced since 1978 by the Vilnius PSZ "Vilma". The speakers were included in the set of the "Vilma-311-stereo" tape recorder, etc. Since 1985, the speaker system has been produced under the name "8AC-220". And before that, since 1976, AS "3AS-3" was produced, but in a different design. All these speakers are the same and differ in GOSTs and loudspeakers. Broadband speaker "8AC-220" (3AC-3, 3AC-503) with phase inverter is intended for joint work with household radio equipment of 3 and 4 classes. The speaker cabinet is made in the form of a rectangular plywood box, finished with veneer and varnished. The loudspeaker is located in the center, moved up and protected by a decorative cover. At the bottom there is a phase inverter. On the back of the speaker there is a mount for hanging the speaker on the wall (not all). Frequency range 100 ... 10000 Hz. Sensitivity 90 dB. Rated input power 3, continuous 6 W. Resistance 4 ohms. Dimensions of the speaker 370x260x190 mm. Weight 6 kg.
