Envelope
Smallsound / Bigsound F*ck Overdrive
This one has been on many peoples list for years… Traced by Deadend Fx and the schematic is avaiable HERE. A “Sag Depth” pot is the only mod but if you want to build it as the original, just replace the pot with a 1,5k resistor. Verified by Tom.
Electro Harmonix Doctor Q – Vintage
Layout based on the old version from the 70s. Note that this one is really picky about op amp selection so be prepared for some socketing…
Madbean Headtrip 2
Once again, a guest appearance. Chris at CDC was brave enough to dabbling with some Spin FV-1 processors. Yes, these are SMD parts there is several vendors online that sell adapter boards. This one is VERIFIED. Since I started building effects in 2020, there has been a “level up” step I’ve been avoiding. As … Read more
Electro Harmonix Bassballs / PedalPCB Lowballer Twin Envelepoe Filter
It s time for a guest appearance! Chris Stelloh of Capitalist Death Cult requested a layout for this one a while ago but I couldn’t do it at the time so he went off and did his own. The layout is verified and good to go. It is basically a EHX Bassbals with quite a … Read more
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.
Bluff Chill Devices Shagpile V1
Here is a very interesting and not overly complicated PT2399 based circuit from Bluff Chill Devices. It is an “envelope modulated delay” which sort of emulates a worn out tape delay. This layout is for V1 only but there is two layouts; one for stock 2 knob version and one modified 4 knob version. See … Read more