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Yeah the squealing is solved by rebiasing the JFETs. I think 6.5v is giving me more gain? I might be wrong here but at least the squealing is gone. I've managed to unsolder the 3pdt board, wired the footswitch directly and it still pops so it's not the board. I guess it's either a faulty...

I finally had time to do some testing, without the switch. The squealing was definitely affected by the J201s, when moving the trim pots around. I had biased them at around 6v, following advice on here, but that made them squeal. I adjusted the bias at around 6.5v and the squealing has stopped...

i had an original (sold it for $$$ during the height of the craze 😬) and unity volume was around 2/3 oclock depending on low gain, and at 12 on higher gain settings, if I remember correctly

I'll take a look when I'm home from work... Do you know what values they should be? I got them in a kit from Musikding... I remember reading another thread here where the pedal squealing was solved by using SMD JFETS, I might have to give it a go with daughter boards.

I soldered input and output directly on the PCB, but the squealing is still there... It only happens when either: SAG is maxed or nearly maxed, and GAIN is past 3, or GAIN is past 3 and SAG is past 12... So the culprit of the squealing is not the switch or his wiring...

It's a 2N2222A, I think I have put it down with the correct pinout as I remember reading on the forum about the different layouts for the two different transistors good idea, I'll try this to see if it solves the squealing, if it does I'll replace the switch Kleins are expensive here I'll...

Did it, no change unfortunately Going to try and swap it when I get the chance My shitty DMM doesn't have a continuity tester but tried it with resistor tester and looks like there is no continuity. I hope to solve the popping with a new 3pdt But the squealing isn't going away :(

Could very well be I should have a spare 3dpt

as in cooked the daughterboard or the whole pedal?

well the weekend at the end of may became the 31st of August because summer and scorching heat in Italy happened I opened it up, redid a bit of the footswitch wiring, resoldered the LED because the soldering was terrible It still pops so I'm gonna take off the board and check for cold solders In...

yes they are, pedal in fact sounds great

Thanks, I'll try reflowing it during the weekend

Hi @taita87 ! I am Italian as well, and quite new to this community I have always ordered everything from Musikding, you have to wait a bit for the delivery but the customer service is great. Their stock changes very often so sign up for a reminder on the kit, it will have everything you need...

Ah I understand I tried it straight into my solid state fender amp. It's the only DIY pedal that does it. Later today I'll try putting it in the chain with a buffered pedal It's a single pop, could be a cold solder yeah, I've had some trouble lately managing to fit wires in the board. I'll...

Tried two different power supplies, no difference. Unsoldered the LED, reflowed R1 and it still pops It works very well, sounds great, biased both J201s at 6v

Hi all First PPCB build, the lovely Chop Shop. Biased the J201 without problems thanks to the threads in here, sounds great, boxed it up and it pops quite loudly when pushing the 3pdt. Anything obvious that I'm missing? R1 should be the pull down resistor right? Looks fine to me

I bookmarked THIS post! :D

I am afraid I can't help you because my Julia clone does the same thing, I even tried to move the input and output wires but it still ticks. But if I put the pedal in the chain the ticking disappears

Damn, so easy with that solder sucker