On 22/03/2013 19:03, Dave Plowman (News) wrote:
In article ,
Eiron wrote:
Those electret microphone capsules are quite good but omnidirectional.
Is there any way to modify them to give a different pattern?
Modify the case, or some suitable shaped enclosure?

I'd say not. Producing a cardiod capsule requires precision engineering.
So cheaper to simply buy one.

You're right. They seem to be 50p each at Farnell.
It looks like they just have a few precision drilled holes in the back.
I wonder if that's the only difference.

--
Eiron.