Ceriatone Klein-ulator

Ceriatone Kleinulator 2526157eddba

Here is something a bit different and maybe useful! It’s an “effects loop buffer”. There isn’t a schematic for it but you can find the original layout on Ceriatone’s forum here. You can also find all infos on their original manual here. 12/03/17 Layout updated! Moved 220K resistor and link from S to G on … Read more

Durham Sex Drive

Durham Sex Drive 2af4fff9c551

Original info: “I designed the SEX DRIVE pedal to fulfill the very particular needs of good friend Charlie Sexton.  The goal was to build a “clean-boost” pedal that would supply additional bottom end and sustain when needed. The pedal would have to provide a boost that would not alter the original quality of the amplifiers … Read more

Electro Harmonix Frequency Analyzer

EH Freq e63660480059

Here are two layouts for a classic Ring Modulator. The first one is for a vintage version (schematic available here). The DIP version of 1496 had a different pinout. The second one is for the modern vesion and it could potentially fit in a 125B size box (there is no schematic but a PCB layout here). … Read more

Bartolini Tube-It

Bartolini Tube It 435e003dcd6a

Came across a schematic for this awhile ago as it seemed interesting. It’s supposed to be a fairly rare overdrive pedal fetching up to $500. Here’s some information I found about it: The rare 1980s Bartolini tube-it Distortion Overdrive pedal made in Livermore, California, USA. Makes any amp sound like a Marshall. This may be the … Read more