mozartfan OP Worlds finest tweeter
Na, these are, diaphragm’s are lighter than air, therefore the best response time with least distortion, may not go as loud as some.
https://forum.audiogon.com/posts/2149743
https://www.ebay.com.au/itm/Magnat-Plasma-MP-02-ion-tweeter-massless-air-plasma-speaker-Plasmahochto...
Cheers George