This is a library of perfboard and single-sided PCB effect layouts for guitar and bass. I'm not an electrical engineer by any stretch of the imagination, just a DIY'er who likes drawing layouts. It is meant for the hobbyist (so commercial use of any of these layout is not allowed without permission) and as a way to give back to the online DIY community.
Tuesday, June 25, 2019
1981 Inventions DRV
There's been a lot of hype about the DRV and it's a very cool pedal from a very cool builder too. At it's heart is a tweaked RAT surrounded by 2 opamp gain stages and buffered bypass, all running on 18 volts (schematic below). Originals have soft touch relay switching, which has been omitted here. It can be wired either for true bypass or buffered bypass like the original (see wiring diagram below). If you want to use a MAX1044 chip for the charge pump instead of the LT1054, I've added 2 additional pads on the PCB to connect pin 1 to 8. Should squeeze into a 1590B nicely.