"Serge Stodolnik" wrote in message

??? Electret Condenser Capsule???

I have been experimenting with electret condenser
capsules placed inside on the acoustic guitar for
some time. Generic types.

Anybody knows where to get higher end capsules?

Higher end than what?

If you are saying higher end than Panasonic, please see:

http://dkc3.digikey.com/PDF/EU042/0767-0768.pdf

Under Knowles Acoustics.