Avalanche / SOV Overdrive

Untitled 113a8e87cafb

SOV Overdrive The SOV Overdrive is Tube screamer circuit based OD pedal, with charge pump and some variations. Its developed by the company Free the tone – from japan. Matt schofield is using his custom made version of this pedal The Avalanche project from rullywow is a take on the SOV. great pcb Very transparent, … Read more

EMMA ReezaFRATzitz

EMMA ReezaFRATzitz a40a51617333

The ReezaFRATzitz is a high gain overdrive/distortion circuit based around a CMOS chip, most likely a CD4069N or 74HCU04. This layout reflects a modded version by FreeStompboxes member thn.technik with added Bass and Mids controls. Here’s a link to his schematic and build pics. You might be able to squeeze it into 1590B, but you’d … Read more

WEM Pep Box

WEM Pep Box Germanium 0754ae531fcf

Here’s a cool vintage fuzz circuit from the mid 60s–the WEM Pep Box. It’s probably best known its use by John Lennon during the Revolver sessions. There are two versions of this effect, the first using germanium transistors and the later using silicon. I’ve drawn up layouts for both iterations of the circuit, as there … Read more

Emerson Customs EM-Drive

Emerson Customs E M Drive 1f3ef4353fc1

Here’s a really simple “transparent overdrive” circuit that was a must have a couple years ago. People compared it to the Klon and Timmy drives. Originals use paper in oil caps, which some claim sound better than modern film or ceramic caps. That’s a debate for another time though. I’ve drawn it up so you … Read more