Sound unit (AU) to the radio `` Rigonda-stereo ''.
Acoustic systems, passive or active, as well as electro-acoustic units, hearing aids, electric megaphones, intercoms ...Passive speaker systemsThe sound unit (AS) for the radio "Rigonda-stereo" has been produced since 1963 by the Riga Radio Plant named after A.S. Popov. One speaker has two low-frequency loudspeakers of the 4GD-28 type and two high-frequency loudspeakers of the 1GD-19 type. The tweeters are mounted on the side walls of the speaker. The frequency range of reproduced speakers is 60 ... 12000 Hz. Resistance 8 ohms. Speaker dimensions - 430x320x805 mm. Weight 8 kg. Photos of the speaker below from the site http://retrotexnika.ru/
