The two or four pole filter?

[puretube]

`nother nice 1:
http://www.circuitsage.com/filter.html

[bioroids]

Hi, a lot of info on this thread,

thanks a lot!

Miguel

PS:  :idea: for the gurus, you should team together an open the "First Online Academy of Music Electronics", now that's a school I'd like to go to!

[puretube]

that school is over @ the Synth DIY groups/forums...
:wink:

[puretube]

for the advanced...

and interested

one more...