DOD Envelope Filter 440 Reissue
Per request. This is supposed to a great envelope filter with both up and down sweeps. Schematic is avaiable HERE.
Tools, Tones and Toys for Guitarists
Per request. This is supposed to a great envelope filter with both up and down sweeps. Schematic is avaiable HERE.
Turns out the Southland is pretty much the same circuit as the Lightspeed, but with some hard clipping diodes thrown in the middle (and a couple value tweaks). Figured I’d make a new layout with space for the diodes. This layout uses the same drill template as the Lightspeed. I ended up building a 2-in-1 … Read more
A fairly simple to build auto wah that is supposed to sound really good. Schematic is avaiable HERE.
So I just worked out why I purchased some Motorola MC1748CG tin can op amps – it was to make one of these. I’ve had them in my parts draw for a while, trying to remember what they were supposed to be for. I thought maybe the Hudson Sidecar, but no, I need a dual for that. Anyways, here … Read more
OK, so this one is wide even by my standards – but it will still fit in a 150BB in landscape format. I could have made it a bit smaller, but once you get past a certain width, why hold back is my theory. The Gretsch Play Boy Harmon Booster was one of my early … Read more
The layout is based on Brian Kepharts modernized version of this weird, fun and old device. HERE is a link to a very detalied description of this circuit, schematic, bias setup and explenations of the small but useful modifications.