plasma lamps / tweeter

http://en.wikipedia.org/wiki/Plasma_lamp Plasma lamp - Wikipedia, the free encyclopedia

http://www.youtube.com/watch?v=0z_MCIkhIvo&feature=autoplay&list=ULLoZzJgx1iok&index=5&playnext=2 YouTube - Sulphur Plasma 1st in Switzerland

http://membres.multimania.fr/plasmapropulsion/Basic%20course_&_models/Corona_Acoustic_theory.html Plasma acoustics

http://www.plasmatweeter.de/eng_plasma.htm Ulrich Haumann's DIY PLASMA TWEETER

http://www.hardcoreaudio.de/plasmatweeter.htm www.hardcoreaudio.de

http://hackedgadgets.com/2011/01/01/plasma-speaker/ Plasma speaker.

http://www.google.com/search?client=ubuntu&channel=fs&q=plasma-tweeter+without+audio+modulation&ie=utf-8&oe=utf-8 plasma-tweeter without audio modulation - Google Search

http://www.youtube.com/watch?v=zTqrZyQdj6c YouTube - diy sulfur lamp (RF-excited)

http://i-giant.net/sulphur-plasma-light.html I-GIANT INTELLIGENT LIGHTING SOLUTIONS