Not the same guy.  Look up "Bob Heil" and "air motion transformer" on
Wikipedia and you find that Oscar Heil invented that tweeter design.  Both
articles are interesting, though.
73,
Lloyd Rasmussen, W3IUU, Wheaton, Maryland
Home:  http://lras.home.sprynet.com
Work:  http://www.loc.gov/nls
 
> -----Original Message-----
> From: For blind ham radio operators [mailto:[log in to unmask]]
> On Behalf Of Howard, W A 9 Y B W
> Sent: Monday, April 30, 2012 8:21 AM
> To: [log in to unmask]
> Subject: Bob Heil
> 
> Hi all,
> 
> I have heard many of you talk about the Heil microphones, headphones =
> etc.
> 
> I have never used any of these to date.
> 
> Is Bob Heil indeed the inventor of the Air Motion Transformer tweeter =
> marketed by E S S Laboratories starting back in the early 1970's?
> 
> I have a pair of the original A M T 1's that I think has the best =
> sounding mid range and highs I have ever heard.  The A M T 1 is lacking =
> in the low end, however, if you add a subwoofer as I did you will not =
> find a better sounding speaker in my opinion.  That is why I still have =
> this system after 38 years.
> 
> The Air Motion Transformer is amazing!!  If you haven't heard it, your =
> in for a treat if you ever do.
> 
> Is Bob Heil visually impaired or did he just happen to stop by the net?
> 
> 73's
> 
> Howard #3
>