plasma tweeter - ion tweeter - diyAudio
Go Back   Home > Forums > Loudspeakers > Planars & Exotics

Planars & Exotics ESL's, planars, and alternative technologies

Please consider donating to help us continue to serve you.

Ads on/off / Custom Title / More PMs / More album space / Advanced printing & mass image saving
Reply
 
Thread Tools Search this Thread
Old 15th April 2002, 03:18 AM   #1
diyAudio Member
 
Join Date: Jan 2002
Default plasma tweeter - ion tweeter

has anyone heard a plasma tweeter? Do they sound as good as I have been led to believe? Anyone built one? I hav found several DIY sites on the net, but before launching into this project, I hope to get some independant confirmation as to the sound quality these produce...Thanks.
  Reply With Quote
Old 15th April 2002, 02:55 PM   #2
diyAudio Member
 
mrfeedback's Avatar
 
Join Date: Feb 2002
Location: Perth, Australia.
Hello kuribo, you need to give us those links, so we all are discussing the same thing.
Plasma tweeter is an old idea - downsides are ozone and other gasses production.

Over to you,
Regards, Eric.
  Reply With Quote
Old 15th April 2002, 03:03 PM   #3
diyAudio Member
 
Join Date: Jan 2002
Default links for plasma tweeters

See below:

http://www.audiocircuit.com/9108-ion...t/9108IMAI.htm

http://www.ee.vill.edu/ion/
  Reply With Quote
Old 15th April 2002, 04:06 PM   #4
diyAudio Member
 
mrfeedback's Avatar
 
Join Date: Feb 2002
Location: Perth, Australia.
IMHO, expensive, RFI production ?, low SPL, ozone and nitrogen oxides etc, stink.

I never got a proper listen to magnats, and the concept never really caught on.

Good domes are much cheaper and easier.

Regards, Eric.
  Reply With Quote
Old 15th April 2002, 05:17 PM   #5
diyAudio Member
 
Join Date: Apr 2002
Thumbs up Try Acapella Violon speakers

I've heard Acapella Violon speakers and if I had the money, these are the speakers I'd buy (along with some heavy duty subwoofers to play the bottom end through bi or triamping).

http://www.acapella.de/german/violon2001.htm

To me these are closest to the holy grail I've heard, but I've not heard all great speakers in the world (naturally).

cheers,
Halcyon
  Reply With Quote
Old 16th April 2002, 10:32 PM   #6
diyAudio Member
 
Join Date: Feb 2002
Location: Belgium
Don't know if you would get a pair of those CE certified!

From what I remember reading in old JEAS copies, apart from the already mentioned problems, the intermodulation distortion is large compared to other type of speakers.
  Reply With Quote
Old 17th April 2002, 06:13 AM   #7
diyAudio Member
 
audioaficionado's Avatar
 
Join Date: Apr 2002
Location: Medford, Oregon, USA
I've heard that you can get around the O3 and NO2 problems by using argon gas feed into the plasma tweeters. Argon is totaly inert to any oxidation. Still would be an expensive expirement.

I think I'll just stick with ribbon tweeters such as Raven R2 or ESg3.
__________________

audioaficionado
  Reply With Quote
Old 17th April 2002, 09:24 AM   #8
diyAudio Member
 
Join Date: Jan 2002
There are spray-on catalysts available now that weren't around 30 or more years ago that can be applied to the wire mesh cover or horn interior to abate most of the ozone. A little ozone is seen as a good thing as it cleans the air-notice all the ozone air cleaners out there, many of which, by the way, use a corona discharge to produce the ozone, just like these tweeters...
  Reply With Quote
Old 17th April 2002, 01:16 PM   #9
diyAudio Member
 
mrfeedback's Avatar
 
Join Date: Feb 2002
Location: Perth, Australia.
Hello kuribo, I agree that a little ozone is good, however too much is not and also gives a nasty headache - not what is wanted.

Regards, Eric.
  Reply With Quote
Old 17th April 2002, 05:44 PM   #10
Bill F. is offline Bill F.  United States
diyAudio Member
 
Bill F.'s Avatar
 
Join Date: Nov 2001
Location: SW MI
Here's an idea I've been dreaming of for a while:

Load a corona discharge tweeter with a downward-pointing horn in conjunction with an upward-firing mid/bass like this. http://www.duevelloudspeaker.com/loudspeaker.htm

You'd end up with a full-range quasi-pointsource omnipole, which is a charming concept to my mind.

Since the treble horn points down, all the low-density hot air/ozone should mostly stay up in the horn throat. This would give the above-mentioned catalyst plenty of time to break down the ozone. For even less ozone/NO2, you could direct a tiny trickle of helium up into the horn. Helium flow could be very minimal.

This could be quite a speaker!

Bill
  Reply With Quote

Reply


Hide this!Advertise here!
Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
plasma tweeter Tekko Planars & Exotics 134 3rd July 2009 11:06 AM
Tweeter help for Miller & Kreisell Tweeter 17500 merajsalek Multi-Way 4 3rd September 2008 04:41 AM
Plasma Tweeter Questions - 813 possable? toshiba_nz Planars & Exotics 3 19th June 2008 05:38 PM
Plasma Tweeter angsuman Planars & Exotics 29 18th November 2007 09:53 PM


New To Site? Need Help?

All times are GMT. The time now is 10:10 PM.


vBulletin Optimisation provided by vB Optimise (Pro) - vBulletin Mods & Addons Copyright © 2014 DragonByte Technologies Ltd.
Copyright 1999-2014 diyAudio

Content Relevant URLs by vBSEO 3.3.2