Air Speaker
A website devoted to massless loudspeakers  

plasma speaker chain



Web Links

Here's a list of links to sites related to air speakers, although it is hard to keep up to date as some of the sites can vanish without trace at no notice. They may help you to get started, there are of course many more and I would encourage you to do your own searches.

Address Notes European Patent Office Excellent list with detail of some ionics A top, long standing site Full History and info on Ionovacs Plasmasonic again Acapella (ION TW-1) Forum plasma chat, Nelson Pass Site with early electronic music history
DIY Websites that give a nice flavour of the work that's been going on.
Address Pics from Mc.Graw Hill 1929