Acoustic system '' 3AS-509 ''.
Acoustic systems, passive or active, as well as electro-acoustic units, hearing aids, electric megaphones, intercoms ...Passive speaker systemsThe acoustic system "3AS-509" has been produced since the beginning of 1978 by the Izhevsk Radio Plant. The speakers were equipped with the Sirius-315-panoo radios. A loudspeaker of the 3GD-85 type is placed in the speaker. Frequency range 100 ... 10000 Hz. Resistance 4 Ohm. Speaker dimensions - 200x185x380 mm. Weight 3.8 kg.
