Sorry, this page is not translated yet. Automatic translation used.
Acoustic system "4ÐС-3" has been produced since 1979. It is intended for the sound of educational institutions, such as school classes and corridors. A toroidal transformer and a 4GD-35 broadband loudspeaker, later 8GDSh-1, are installed inside the speaker. The effective working frequency range is 63 ... 12500 Hz. Irregularity of the frequency response - 16 dB. Resistance 4 Ohm. The power rating of 4 (8), short-term 8 (15) watts. Speaker sizes - 200x290x80 mm. Weight 1.8 kg. Since 1982, the AS "4AS-3" was produced in a plastic case and with a loudspeaker 8ГДШ-1, instead of 4ГД-35. Parameters for this speaker are given in brackets.