Path: utzoo!attcan!uunet!ogicse!uwm.edu!b11.ingr.com
From: allen@b11.ingr.com (John Allen)
Newsgroups: rec.audio.high-end
Subject: Re: Unconventional Speakers
Message-ID: <2763@uwm.edu>
Date: 5 Mar 90 17:17:54 GMT
Sender: news@uwm.edu
Lines: 53
Approved: tjk@csd4.csd.uwm.edu


in article <2649@uwm.edu>, ST801804@brownvm.brown.edu (steve liebling) says:
> Approved: tjk@csd4.csd.uwm.edu
> 
> I was wondering if someone could possible go into the fundamentals of 
> the structure of electrostatic speakers and also electromagnetic speakers 
> that are not the conventional cone type.
> 
> [I second this... I haven't the time to do it myself. Mail me first so we
> don't have a duplication of efforts.   - tjk]
 
I am curious too, but if we could go a step further:

Speaker Builder		Technology type		

1) Magniplaners 	(dipole?/electromagnetic?)

2) Quads 		(?) [Electrostatic -tjk]

3) Apogies		(ribbon?)

4) Accustats		(electrostatics)

5) Magnet		(plasma flame)

6) ??			(asetolene flame )

I would like to know (understand) the technology used by these various
displines.  I threw in the asetolene flame because one of my
co-workers mentioned that he built one in colledge.  I have not
questioned him on the technology, but maybe now is the time.  The
magnat (SP-?) was a speaker that I read about that used a plasma flame
speaker for its tweater ,I not certain about the source of the flame
just  but remember that it was ecologically dangerous and was only being
sold in europe.

Well this is high-end audio, which means (I Suppose) that we are all
into the stupid-end (extreme) of things.  I am serious about the
above posting and will try to follow-up with notes on the asetolene
flame speaker,  assuming my co-worker will talk. 

[Then there's the Hill Plasmatronics, that used ionised helium jets for the
tweeters. Sounded great, but they were huge and expensive... not to mention
you had to buy two full-size tanks of helium!    -tjk]

Speaking of flames..
Maybe this discussion will go relatively unscortched, since this is
recreational high-end.audio  [No flames allowed. -tjk]
-- 
        *        /-       _______    ingr.b23b!allen!jallen@uunet.uu.net *
        *      */     |   V      |   John E. Allen                       *
        *  |^^^^^^^^^^^^^^^^^^^^^|   (205) 730-8627                      *
        *  |---------------------|                                       *