Robert

Filtering at the opamp is generally considered a best practice. But, it's a pedal not a medical device/aviation equipment etc. Added...

What kind of forum do you think this is? ....

WTH?.. Are you guys actually turning into mature adults and there literally no jokes about the "Beads".... I'm concerned.... Everyone ok...

Told you that was going to happen if you didn't stop.....

Filtering depends on the expected power supply, and requirements of the circuit. A DC powered, low current, purely analog circuit...

(I realize you're focusing more on filtering than polarity protection, but I had this ready to post in another section) The three most...

Looking at this pic, I can clearly see the red band on R11, so you're probably good on those. I'm confused about R10 though. If I'm...