[sdiy] Kick Drum schematics

[Colin Fraser]

> -----Original Message-----
> From: owner-synth-diy at dropmix.xs4all.nl 
> [mailto:owner-synth-diy at dropmix.xs4all.nl] On Behalf Of 
> ElmacacoX at aol.com
> Sent: 31 March 2002 6:08
> To: harrybissell at prodigy.net; synth-diy at dropmix.xs4all.nl
> Subject: Re: [sdiy] Kick Drum schematics
> 
> of course, you could just hook up that modular with a self 
> oscillating filter 
> and an envelope, and add other elements to taste ;)

There's one flaw with using a self-oscillating filter for a kick drum -
you really need the wave reset to zero when it's triggered to avoid
getting an inconsistent click at the start of your bass drum.
The 909 oscillator has a transistor across the cap to do that.

Colin f