What speaker has the best tweeter?


I love the AMT tweeters in my speakers. They are definitely different from other tweeters I have heard. I enjoy their openness and air. But there are qualities of other tweeters that excel in other ways. Some v pricy speakers use beryllium or diamond or diamond coated beryllium. I see that the price of, Seas I think, diamond tweeter is like $6K a pair. Then ribbons offer used. Not to mention plasma, etc.
mglik
The LD50 of ozone for humans is around 50 ppm, so this is a real concern and this is why they are not made anymore.
Don’t know where you get that idea, these are the newest horn loaded ones, but are little colored sounding because, of the horn and don't have a 360 degree radiating pattern
https://www.lansche-audio.com/products/plasmatweeter/

Cheers George
George - looks like you need a 49 ppm quantum tunneling ozone fuse….
Yeah maybe I can reverse also it and then stick it where the sun don't shine.

Cheers George

Dynaudio.

And recently, if you like AMT ribbons, the HEDD Type 20 is marvelous. 
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Frequency does not equal competency. Give him some slack as he  was for awhile anyway thinking  a FET is an Opamp.