Buy Build Tone Heaven! Welcome to Schematics, wiring diagrams and detailed instructions for the best DIY Stompbox effects Projects on the internet. Ready-to-Solder PCBs or Complete Stompbox Kits are available for many of the projects. Contact us if you have any questions. And don’t forget keep up with the News and to follow us on FaceBook. on SALE this month in the store ProCo Rat Replica Complete Kit On sale this February. ProCo Rat Distortion. 10% off this Great Distrtion Kit! MXR™ Phase 45 Replica Complete Kit On Sale this February, MXR Phase 45 Replica Kit. 10% off this great Phase Shifter stompbox!