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Is it in yet? (The demo)

Drain source voltage rating higher than your power supply Vgss (max gate source voltage) above your power supply and use a zener to clamp gate source Lowest Idss-on rating you can find after narrowing the above. Good video here Specifics in the last couple minutes

Noractually trace, instead ripping schematics off other vendors, DIYSB, and the like. Some PCBs were made from old traces that the DIY community knew had issues.

Another option is a dual out isolated dc converter and run the opamp stage on +/-5v. Probably make up for the space with lower capacitor count. Runa separate ground plane and star ground all at 9v input.

Unless you want asym opamp Distortion, which is possibly the goal (or it's a typo). But, a 1/10 voltage divider seem really extreme.

R1/R2 values look off Sub a 20k for R2 and try again.

I think I requested one... It's a James Brown design. Real nice pedal if you can find one not eaten up with battery acid. Typical Peavey. Built like a tank but nothing between the battery and trace side of the PCB...

Pull the bbd chips and resolder those sockets, for sure. It sounds like you're getting your dry through, so issue is in the delayed audio path. Reflow, then probe.

Social media has a big part in this as well. Memeformation and echo chambers and the general thought that your voice and opinion matter because you got "likes" Not even touching on the misinformation out there... I really feel that social media has had and has extremely negative subconscious...

You could switch caps in parallel with C7, but it's already at 2.34khz Every doubling of the cap will shift it down an octave

You mean the JRC072?

That's how I view it. A lot more low end will pass through the 100n so the 10k is to level match, roughly. The 4n7 along with R3 68K make a ~500hz HPF as well(more overall level loss)

Sounds like either switch wiring is shorting or he cooked the switch.

Not as prescribed above. BYOC closed shop 1-1.5 years ago. Maybe someone has reproduced a PCB?

Check here https://forum.pedalpcb.com/threads/kicad-symbol-and-footprint-repo.19620/ Monkey riot pedals has a kicad repo as well

Man. I just lost 15 minutes following traces on the wiring PCB, scratching my head, before I realized that's not the actual PCB and the RefDes on that image is wrong as well.

I don't know how he knows all this stuff but has only ever posted one build report. just keep hanging around but I swear he builds nothing.

So, you don't have a vref but you have a PCB that is packed? Is your Z too high to use a jfet as a buffer? Or maybe put the opamp on the other side of the board?