thanks a lot--
It seems that I have to spend some time into this because I'm not really the circuit constructor, I'm more a circuit bendinger ;)
any cheap premade preamps out there?
cheers
mrz
this circuit gave me decent result:
http://probing.wikidot.com/electret-microphone-pre-amplifier
you can listen a recording i've made with it:
http://probing.wikidot.com/local--files/electret-microphone-pre-amplifier/emc_kalimba.wav
with a very cheap electret microphone (2$).
pat