Re: Making a 'cheap' figure of 8 microphone?

["Mike Feldman" gidney_n_cloyd]

Rob Danielson wrote:

>> I remember seeing fig-8 project photos ...

> http://www.mp3forkidz.com/mic/
> Dave Latchaw's work, right? Rob D.

Yep, that's the ones!  I'd recommend this as a
good starting point for "cheap" fig-8.

My gut feel says that to get close to a mathematically
correct cardiod pattern from a WM-55, you need to have
some acoustic path to adjust the signal arriving at the
back ports.  Can anyone confirm or refute my guts?

If so, a vertical tube (eg. square brass) could provide
the extended acoustical back-path, and would provide an
interesting mechanical design challange to get the diaphragms
aligned vertically with putting too much junk in front
of the two capsules.

-- Mike