References - Websites
Yes it's a shoe
 This is a list of websites related to massless speakers.  The tables is segmented into sub categories. Sort the table by clicking the column headings.
Websites
Website Notes
KEY INFO WEBSITES
https://plasmaspeaker.de/index.html A top, long standing site was ( http://www.plasmatweeter.de/ )
http://www.roger-russell.com/ionovac/ionovac.htm Full History and info on Ionovacs
http://hillplasmatronics.com/ Hill Plasmatronic
http://tmms.co.jp/EFD/ Plasmasonic and lots more info
https://web.archive.org/web/20130603070617/http://ionovac.com/ A very good but dead site, link to the wayback machine
https://web.archive.org/web/20030320083046/members.cox.net/jayphil/plasma.html A dead site with some nice old info
ARTICLES
https://www.psaudio.com/copper/article/the-once-and-future-tweeter/ A nice overview article
https://www.stereophile.com/content/hill-plasmatronics-type-1-loudspeaker Stereophile web version of 1980 article
http://www.nutshellhifi.com/library/speaker-design1.html Some info on plasma speakers at the bottom
http://edgarvillchur.com/a-new-speaker-principle/ Copy of 1952 magazine article
https://www.newscientist.com/article/mg15120483-200-technology-hot-throat-makes-a-safer-sound/?ignored=irrelevant Article on the Credo tweeter
http://www.nutshellhifi.com/library/speaker-design1.html Eventually talks about plasma tweeters, poor on accuracy
https://sudonull.com/post/20230-Plasma-Singing-Foggy-Perspectives-of-Ionophones A nice plasma article
MANUFACTURERS
http://www.acapella.de/ Acapella (ION TW-1)
https://www.dukane.com/about/history/ Dukane s history including Ionavac division
https://www.vaughnloudspeakers.com/products Vaughn Loudspeakers
https://www.lansche-audio.com/products/plasmatweeter/ Lansche Audio Corona Plasma Tweeter
VIDEOS
https://www.youtube.com/watch?v=0Pl5qBajPLk Excellent explanation of discharges from See the Pattern
https://www.youtube.com/channel/UCF3J4LVij0vRYp6Mgbx1QwQ/videos YouTube videos for plasmaspeaker.de (above) with great detail
https://www.youtube.com/watch?v=-L_039xLSzw What is a plasma tweeter
https://www.youtube.com/watch?v=msE14cWTwKI Nelson Pass Youtube interview
https://www.youtube.com/channel/UCLsUeooHSJlE_5xL4BPQIOQ A video channel which shows the non-hifi use of plasma well
https://www.youtube.com/watch?v=hy-XPgWaU8M Yvonne Sutton video from paper 2011
REVIEWS
https://www.audiogon.com/listings/full-range-vaughn-plasma-ii-new-plasma-tweeter-2016-04-15-speakers-94552-castro-valley-ca Vaughn Plasma II review
https://www.hifitest.de/test/lautsprecher-stereo/lansche-audio-cubus-5069 Lansche Audio Cubus Review 2011 Hifitest.de
https://www.stereophile.com/content/lansche-audio-51-loudspeaker Lansche Audio 5.1 Review
https://news.softpedia.com/news/Plasma-a-New-Tweeter-Technology-Lansche-Audio-No-8-82971.shtml It's new all over again (2008)
FORUMS
https://www.diyaudio.com/community/ A great forum site with various massless speaker discussions
https://forum.audiogon.com/discussions/the-hub-no-moving-parts-no-problem?sort_order=asc An article/forum focused on Klein
https://community.klipsch.com/index.php?/topic/72366-dukane-ionovac-information/ Forum with Ionovac details 2006
https://www.audiosciencereview.com/forum/index.php?threads/debunking-the-myth-that-a-lighter-diaphragm-enables-a-faster-speaker-driver.25910/ An in depth discussion about mass in speakers
https://www.hifisentralen.no/forumet/threads/plasmah%C3%B8yttaler.95851/ A forum with some bits of info in the thread
http://www.audiocircuit.com/DIY/Ionic-Speakers Some brief bits of info
https://forums.stevehoffman.tv/threads/corona-plasma-tweeter.386189/ On the Lansche Corona tweeter
https://www.audiokarma.org/forums/index.php?threads/unusual-speaker-designs.494299/ Various odd speakers
EARLY HISTORY
http://www.douglas-self.com/MUSEUM/COMMS/auxetophone/auxetoph.htm A site on the Auxetophone (not quite massless)
https://blog.sciencemuseum.org.uk/pyrophone1/ Good history of the pyrophone
https://120years.net/wordpress/the-singing-arcwilliam-duddeluk1899/ Site with early electronic music history
OTHER
https://www.diyaudio.dk/2012/09/ionplasmacorona-wind-loudspeaker.html Some nice pics
https://everything2.com/title/Massless+Speakers A brief general info page
https://en.wikipedia.org/wiki/Plasma_speaker Wikipedia s main section, varies in accuracy
http://magnat.tv/n4.shtml Old page on a diy Magnat clone
https://www.kickstarter.com/projects/excelphysics/the-arc-plasma-speaker ExcelPhysics Kickstarter (2014, main site now gone)
Tomorrows World arch 8 1984
 
 
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