Bill Evans has directions for assembling a mono DIY
microphone (Radio shack capsule or Knowles hearing aid
electret) on his nocturnal flight call monitoring web site
(http://www.oldbird.org).
Bill Rainey
--- In "Rich Peet"
<> wrote:
> Yes I designed one for full year round outside use. I put it out
on
> the internet about 16 months ago. It was called the "hemi".
Build
> cost was about $8-$15 total US $.
>
> There was not a lot of interest. I built about 15 and still have
> some around for capture of migration of birds by call notes. I
had a
> mono and stereo version. I will look for the photos and
diagrams and
> e-mail them about wednesday if they still exsist. I am going to
bed
> now and heading out recording in a few hours.
>
> Rich
>
________________________________________________________________________
________________________________________________________________________
"Microphones are not ears,
Loudspeakers are not birds,
A listening room is not nature."
Klas Strandberg
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