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RE: Controlled resonance loudspeakers

Posted by BigguyinATL (M) on June 7, 2017 at 13:19:19

In Reply to: BES (Bertangi SM255), Discovery and Questions posted by walkstoslow on June 3, 2017 at 10:39:19:

The Bertagni speakers ( first saw in a Federated Store in Orange County in the late 1970's) basically are panels with overlapping damped resonant panels the work quite well. The Styrofoam is the panel material and the shape controls the masses and the damping. Actually perform quite well, though Time alignment is not possible as each section is 180 degrees out from the adjacent "Ring". Still, lots of other good sounding loudspeakers are not time aligned and sound pretty good!

Actually I wonder why with modern modal analysis and Finite element Analysis a more Modern version of the loudspeaker technique has not appeared.






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