Mad Professor Forest Green Compressor

Mad Prof Forest Green Comp SGD d42c5121d653

Got a request for this one. It’s very similar to Bjorn’s Pale Green Compressor in his BearFoot Fx line, but with an extra stage for the Sustain mode. Here’s the schematic for reference. From the product description: FOREST GREEN COMPRESSOR (FGC) is designed to meet the highest standards of guitar and bass compression.  There is … Read more

Parasit Studio Stepping Stone Overdrive

Freppo Stepping Stone OD 4d5e57f00316

Here’s an early design from Freppo from Parasit Studio. It’s a punky overdrive/distortion transistor-based circuit. Here’s the schematic for reference. This was my first attempt at making my own overdrive from what I had learnt by building and modding other circuits. I had done a few heavily modded ones before, but nothing really original. I … Read more

Earthquaker Devices Tone Reaper

EQD Tone Reaper schem c4a108f9b6e8

Happy Fuzz Friday, everyone! This week I give you the Earthquaker Devices Tone Reaper. This got traced over the Tagboard Effects forum, so thanks to Galapagos for doing the leg work. It’s based on the 3-knob Tone Bender, with the darlington pair of germanium transistors simplified into a single high gain silicon transistor. In some … Read more

All-Star Reverb

All Star Reverb d2791957b396

Found this one over on FSB. It was designed by Induction and takes elements from the GGG D-Verb, BYOC 2-Knob, and CultureJam’s Box of Hall. Like those designs it uses a Belton BTDR-2 reverb brick, which can be mounted directly to the board from the solder-side. If you want a wetter sound, replace the marked … Read more