Tools, Tones and Toys for Guitarists
I’m a big fan of Brian’s, aka Aleph Null’s, circuit designs he’s been kind enough to share over on the MadBean forum. Here’s one of his latest offerings, the Special Sauce. In his own words, “It’s a short delay with envelop control pitch bending. This makes for unique chorus, doubling, slap back, and vibrato effects.” … Read more
The blog needs more modulation, so here’s the classic EHX Small Clone chorus. Made famous by Kurt Cobain, the Small Clone has a wide range of chorus tones. I’ve laid it out two ways, one stock, and one with the Depth switch replaced with a pot. You can probably squeeze this into a 1590B, but … Read more
Schematic, trace and info avaiable at FSB. Note that there is a cap value missing across pin 11 and 12 at the PT2399. There is a 10nF cap across pin 9 and 10 so a close value to that should work. Also, lug pot numberings isn’t marked on iether of the schematics so lug numbering … Read more
Had a request for this one and didn’t feel like laying out another overdrive. So here you go. It’s a chorus using a pair of PT2399 design to emulate the Boss Dimension C designed by Distorque. Original design thread here, schematic here for reference. I’ve laid it out for board mounted pots and will fit … Read more
The originals used a now nearly unobtainable SAD512D chip, but the wizards on FSB converted it to work with an MN3007. Now that those are also hard to get a hold of, I’ve laid this out for an MN 3207–which is almost the same as the 3007, just with a slightly different pinout for power … Read more
Here’s a weird chorus from Valve Wizard based around a PT2399. In Merlin’s own words… Chorus is created by passing the signal through a very short delay line, somewhere between about 8ms and 25ms. The delay time is modulated and the delayed signal is mixed back with the original un-delayed signal. Some feedback (‘repeats’) is … Read more
Here’s the Pitch Pirate with board mounted pots. Like the Deluxe version, the LFO is designed to be grounded when the effect is turned on (hence the pad at the top of the board). Just use the true-bypass wiring diagram in the General Layout Notes and leave out the LED wiring. Then just connect the … Read more
Got a request for this one. This was originally designed by John Hollis and has since been modified by various folks in the DIY community. Like the latest version of the Little Angel chorus, it has a switch to do either vibrato or chorus tones. And the Mode switch allows for different speeds (Leslie, Normal, … Read more
