I am not updating this website any longer. I keep it online so old forum posts and whatnot won't 404. For current crap, go to my github repo, I track anything I'm working on via this blog instead of this site.

This site is where I wrote about the gear and music I was working on from about 2002 to 2017, if it's useful to you as well, well, there you go.

ABOUT THE CIRCUITS: Unless noted, audio circuits require +/- 15V DC and output something like -5 to 5V P/P.

THE USUAL "DON'T ZAP YOURSELF WARNING": This site assumes you are a competitent tech and are cautious when working on electronics. Seriously, the tube amp data here is extremely dangerous and should not be screwed around with unless you really know what you are doing.

About the gear pages: The schematics, board layouts, designs etc. are my own unless otherwise noted. I try to give credit where it's due; please do the same if you use some of my creations in what you post and/or sell. Some of the PCBs here are untested, I try to note that as well as we go. For untested PCBs, you may have to kludge things to get them to work (I have to...).

Projects and Updates

Added my take on Rene Schmitz "Fastest ADSR in the West"; the Eagle files and build PDFs are here. Yeh baby! Rene's designs are way cool.

Added an Arduino Section to the Gear pages. An analog mind in a digital world.

To track things I'm working on vs. finished stuff here, I started an Audio DIY blog.

Added a non-inverting mini op amp PCB to my growing list of gain circuits.

Added +/-10V Precision Voltage Reference

Updated and augmented the op amp gain page.

Vactrol VCF Rev3 New PCB layout and wiring diagram--tests working.

Clapton covers, Finally--some more MP3s. I play all the parts. Happy birthday Super D!