Nothing is sturdier than a ring radiator


Among high end tweets the ring radiator is as sturdy as they come.  The only other tweets I know of as sturdy are the high end AMTs.

Be?  Diamond? Ceramic? Forget about it.  Ring's' reign supreme.
erik_squires
You poke it with your finger. :D 

Be and Diamond tweeters are notorious for breaking apart, so don't do that.
Had that in my JBL 99s many year ago in the mid seventies,Did you know about that then?Also had ESS AMT 3s speakers in the eighties.Got you covered.