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beryllium vs diamond

Hi guys, today's technology has brought us a new type of tweeter made of diamond or beryllium. Do you know what are the strengths and weaknesses of diamond vs beryllium? Which one is the more expensive? Has today's dome tweeter better resolving power than the venerable electrostat? Jim Thiel once said that dynamic designs will be getting better all the time and will probably surpass electrostatic designs.
dazzdax

Showing 2 responses by cleeds

cleeds
6,231 posts
 
verdantaudio
The EMIT R is a ribbon super tweeter rather than an electrostat. 
No, I'm pretty sure the Infinity EMITs weren't ribbons, either.
cleeds
6,231 posts
 
verdantaudio
... my old Infinity Kappa 8.1s which had an electrostatic tweeter sounded great ...
That didn't come from the factory with an electrostatic tweeter. Did you modify the speaker and add one to the system?
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