The Hybrid EQ is based on the the EQ section of the Revolution III and IV. It combines a Baxandall section for the bass and treble frequencies with an active mid control section.
This kit contains the PCB and all necessary parts.
Here is the bill of material: bill of material
There are no knobs included in this kit, please select them yourself. The pots have round 6,3mm shafts!
This project is by PCB Guitar Mania, in collaboration with Musikding. If you have any problems with the contents of the kit, please contact Das Musikding (Klaus). For technical problems please contact PCB Guitar Mania: PCB Guitar Mania support.
Here is the direct link to the manual with layout and schematic: