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In Reply to: RE: Heil AMT speakers posted by TGR on June 29, 2020 at 09:52:07
ESS was granted an exclusive license originally - that patent must be long expired, I am guessing.
Audiovector
Burmeister
ESS (looks like they are still around)
Legacy
Martin-Login
Wharfedale
Follow Ups:
The MPD tweeter is their own implementation of the Heil technology.
See link.
Four models, from a little dinky one fit only as a supertweet above 5kHz, to the big "pro" one quite similar to the original Heil.
Well before the current proliferation of AMT designs, Aurum Cantus offered their "aero striction" model, and Eton offered a rather pricey dipole version. I'm sure there were a few others.
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