naturerecordists
[Top] [All Lists]

Re: Frogs and Insects

Subject: Re: Frogs and Insects
From: "pga7602" pga7602
Date: Mon Oct 1, 2007 11:40 am ((PDT))
Walt,
Thank you for your detail instructions on how to modified the SASS.
Your intructions have really helped me in getting my ideas
together.
After going through your sample recordings, I noticed that there was
a big difference in the background sound coming from the MKH and the
AT3032.  The MKH had a more realistic sound, and the background was
much quieter.  I apologize for this crude describtion and not
knowing enough about sound engineering to explain myself any
better.

--Tri

--- In  Walter Knapp <>
wrote:
>
> Posted by: "pga7602"
>
> > This is a strange one.  I spent all night looking through your
plans
> > for the modified SASS and here you are answering my thread.  I
am very
> > interested in building the modified SASS and since it does coast
ann
> > extra couple of hundred dollars for the housing, I am leaning
more
> > toward getting the 3032 and possibly upgrading the setup to MKH
at a a
> > later time.  Thank you for your response by the way.
>
> Pretty much any straight sided end pickup omni can be worked into
a SASS
> if it's not too large. As long as the diaphragm is exposed enough.
The
> diaphragm must be on the same plane as the boundary and be able to
> acoustically couple with the boundary to produce a more or less
> continuous surface.
>
> The other thing is it should be a high quality, low noise mic. The
> original SASS is about 22dBA self noise so if your mic is not
quieter
> than that just get a original SASS. I don't recommend the original
SASS
> for quiet ambiance due to it's higher self noise.
>
> I did the 3032 test with a borrowed pair into my regular SASS by
> machining some shim tubes. I have built a complete SASS for these
for
> another nature recordist.
>
> The making pages pretty much show all the detail of how I do the
mod for
> the MKH-20. The hard part was working out how to do it on the
first one.
> I've built over 3 dozen of them since. I know several people have
also
> built their own after going through how I do it.
>
> As far as starting with a pair of 3032's in a mod SASS and then
later
> upgrading to MKH-20's that will work. The 3032's are about 3/4"
diameter
> and the MKH is 1". So you build it up for the 3032's with a
smaller hole
> in the housing and using smaller diameter delrin support tubes but
the
> positioning for MKH-20's. Then when you want to move to MKH you
make new
> larger diameter delrin support tubes and bore out the housing for
the
> larger mic. Of course it's much harder to go back, so if you still
want
> a 3032 SASS around start from a new housing.
>
> Walt
>






<Prev in Thread] Current Thread [Next in Thread>
Admin

The University of NSW School of Computer and Engineering takes no responsibility for the contents of this archive. It is purely a compilation of material sent by many people to the naturerecordists mailing list. It has not been checked for accuracy nor its content verified in any way. If you wish to get material removed from the archive or have other queries about the archive e-mail Andrew Taylor at this address: andrewt@cse.unsw.EDU.AU