Plasma speakers anyone with info?

I can find many sites for diy but cannot find any for sale . Help! Nick

happynick12-24-2001 9:20pm

alrau1 Details Discussions Posts This discussion Message User 56 posts 10-07-2008 at 02:22pm Copy Comment URL Report Comment Edit Delete Those green tanks for the Plasmatronics were filled with HELIUM, not argon, as I recall (and you and I heard the same ones at the same time, Bear!)
alrau1 Details Discussions Posts This discussion Message User 56 posts 10-09-2008 at 02:11pm Copy Comment URL Report Comment Edit Delete The Dayton-Wrights were electrostats, not plasma speakers. The diaphragms were enclosed in "bags" containing (as I recall) sodium hexafluoride gas, so I doubt they emitted any ozone (which results from breaking down AIR or other gas containing oxygen, not sodium hexafluoride)