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sean k
08-14-2008, 06:29 AM
I've just built a electronic percussion box, from an ol indian, as in India, book and the sounds are really bad but it's got me thinking about doing something fuller. I've got the schematics for something alot more involved.
http://www.introspectiv.eclipse.co.uk/download/9090_schems_10june02.pdf

and I've also seen the page from Paia about their kit.
http://www.paia.com/ProdArticles/syndrum.htm

And I'd kinda like making things like this
http://pianoandsynth.com/2008/01/30/fancy-a-vintage-quintron-drum-buddy-analog-synth-drum-machine

Well kinda like that and I'm now ruing the day I chucked out the junked, but complete, farfisa I had out in the garage. So what I'm looking for is schematics for ringing oscillators for building up a set of drum tones.
Actually the one I have made which I'll copy out and post here has a really neat kinda cymbal sound which is an avalanching transistor amplified by another transistor with a 100mH inductor accross it. It's cool!

sean k
08-14-2008, 07:19 AM
I just found this at experimentalists anonymous
http://www.experimentalistsanonymous.com/board/download.php?id=182&sid=ec3a75c7877f721ee3fecf055d25a314

Steve Conner
08-14-2008, 10:57 AM
Have you checked out the schematics for the Roland 808? Most of its drum sounds are analog, IIRC, including that famous kick drum.