Voltage Doubler Circuit

  
If you want to try a higher voltage with your pedals, try this simple and easy voltage doubler circuit which uses an ICL7660 CMOS Voltage Converter Chip I have found that JFETs such as the J201 sound much better at 18V than they do at 9V with more clean to distorted headroom. Op amps should have more room to `breathe` before distorting and you may just find that an old circuit has new life.
Voltage Doubler Circuit - schematic




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