Acoustic systems '' 15 AS-1 '' and '' 25 AS-2 '' (25AS-302).

Acoustic systems, passive or active, as well as electro-acoustic units, hearing aids, electric megaphones, intercoms ...Passive speaker systemsSince 1976, the 15AS-1 and 25AS-2 acoustic systems have been produced by the Berdsk Radio Plant. The speakers are designed to work with high-class amplifying equipment. AC "15AS-1" is two-way, it has 2 LF loudspeakers 6GD-6 and HF ZGD-31. The frequency range is 63 ... 20,000 Hz. Rated power 15 W. The dimensions of the speaker are 400x240x170 mm. Weight 7.6 kg. The modernized AC "25AS-2" is three-lane, it contains the following heads: 25GD-26, SCh 10GD-33 and VCh ZGD-31. The frequency range is 40 ... 20,000 Hz. Rated power 25 W. The dimensions of the speaker are 485x285x244 mm. Weight 12 kg. The speakers are similar in design, except for the absence of frequency response switches in the first. AS "15AS-1" has been discontinued since 1977. Even the photo could not be found, in the photo it looks like an AU. Since 1977 the plant has been producing AC "25AS-2" with the name "25AS-302".