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Thank you Benny, I will check this in the next few days and post another update. I have to say that out of all the DIY electronics I've built (including hand soldering an STM32 for a MI Clouds clone) this has been the one board that has given me the most trouble!

I think I got the order of the switches wrong, I have highlighted the switch that is the problem on my pedal and the PCB attached.

Quick update on the build, I replaced the DC jack with a plastic one at the shorting issue has been resolved. The resistors for Q1 and Q2 have been replaced by linear 50k trim pots and will most likely stay that way. As it stands the pedal is now semi functional. The Crush and Gain switches...

I think I have the bias correct, although I have had a lot of trouble selecting resistors for the drain on Q1 and Q2. I've opted to switch to trim pots so I can easily dial in the bias rather than trying to daisy chain resistors and making a mess of the board. I probably won't get much chance to...

Also, I have noticed that the volume has dropped considerably since putting the board in the enclosure. Any advice for what to try? And thank you everyone for your help and support so far, it's very much appreciated!

I've just ordered one which should hopefully show up in a couple of days so I'm shelving the pedal until then. I've got to say that I was not expecting the build to be nearly as difficult as it has been, between the J201 problems, biasing the new JFETs and now the grouding problem this pedal has...

Update as promised, the main problem was indeed the "j201"s or whatever they actually are, swapped out for the SMT board versions and now I'm getting some response from the board. I'm still having a problem getting the pedal to perform though, when I put it in the enclosure I started getting a...

I tend to stay away from eBay for precisely this reason, but my local supplier (Farnells in the UK) didn't have stock of the J201s and I had to improvise. I know that Mouser stocks the SMT version and in future I will make sure I order from them.

My first thought was a bad solder joint somewhere, I have reflowed all the solder joints and cleaned the board but the problem is still much the same. Supply voltage is around 9.1v, I'm using an old multi pedal power supply for testing. I have measured the power supply at the point it enters...

I sourced them from eBay so I have no idea how legitimate they are. I have ordered some replacement SMT J201s from a different website. I'll try them out and report back

Hi everyone, first post here so please forgive me if I get anything wrong! I have been building the Calamity Fuzz PCB over the last few days and ran into an issue other people seem to have had in the past. Essentially the problem is that in bypass I'm getting a signal but when I engage the foot...