Category Archives: Modifications

Always use the right power supply…

Surprisingly this pedal was still function despite the significant damage done to the circuit board and part of the power supply circuit.

Posted in Modifications | Tagged | Leave a comment

Surface Mount ICs

Upgrading opamps for better sound quality is very common request. The commonly used (and dirt cheap) JRC4558 may be popular for Tubescreamers but is not be ideal for circuits when you want the most transparent sound. Burr-Brown and other companies … Continue reading

Posted in Modifications | Tagged | Leave a comment

Roland Jet Phaser AP-7

This has been an on going project which I think finally came to an end. It was a distortion/phase pedal but you couldn’t select the effects separately. I added the center switch to control the phaser separate from the distortion. … Continue reading

Posted in Favorites, Modifications | Tagged | 3 Comments