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this should be one for the ages. I was asked to take a look at this bad stone for repair. I made no promises, but said I'd take a look. shewwwww boy does this thing smell bad. and the work in here might be worse. it would seem there was an attempt to remove the manual phase option. Can't say I...

working from this layout, which i know is unverified and has no support in the comments. built it, checked it a hundred times, i'm confident that my build is solid, but the layout might be an issue. used 5532 op amps. got no output signal. with an audio probe i was getting signal at pin 3 and...

ground loop stops when i hold both cables for the key/thru. is there supposed to be a ground between them? because it isn't shown on the wiring guide. very little signal is getting through. LED stays blue no matter what. guitar into key > key out to dist pedal in > dist pedal out to gate input...

hoping to get a bass rolloff knob to the delay'd signal. it's just so murky, and i'd like to be able to dial that out a bit. other schematics have a passive filter either before or after the mix control. the cataclysm delay has a BMP style tone stack, and that's too much. electric canary's...

the chorus is chorusing, the bias is carefully set, everything sounds good except when the pedal is engaged i'm loosing about 6dB from 500hz up (reamp box, pink noise, RTA, i'm not a cyborg). as soon as it's bypassed, the high end comes back. checked connections, checked components, nothing is...

full disclosure, this is regarding a pcbguitarmania PCB, however, in all possible places I have changed the values of components to match the pedalpcb schematic. with the small exception of C3, which is currently a film cap. the PCBGM schematic had a 470n film there. i've already changed the...

trying to figure out the EQ points on the 1212, and I'm coming up short trying to find a calculator for this. it almost works in a baxandall calculator, but they all use an op-amp so the configuration is different. can anyone point me in the direction of a resource for this? or if you've got the...

it's a great circuit. borderline good enough to not need any boost, but sometimes you just need that low end shaved off. where in this circuit could I sneak a HPF to clean up the low end a bit? any chance I could use C2 and just run a 100k (or close value) resistor to ground and put that on a...

I’m looking to make a tweak so that at minimum “more” it’s even cleaner. The highest range of it isn’t super usable for me, but the lowest setting isn’t quite subtle enough. My first thought was the bias, but the “more” knob IS the bias. Any idea what I could change to clean it up a little more?

I've got a SPDT on/on switch, on the outer legs are pairs of diodes, the stock germanium and LED's. both sets of diodes are feeding off the negative end of the diode pad, and returning from the middle lug of the switch to the positive side on the diode pad. the other diode pads are jumpered...

hi folks, i'm relatively new here, so if there's already a thread on this that comes mind, i'd appreciate a link. i'm looking into building a klon, but making some tweaks with popular mods. a toggle for clipping diodes, a toggle for a fat switch, and the one i need help with, a switch to change...

Hey all, first post, first build. i've done some much simpler circuits and mods, but this is the first big one. i have good bypass, but as soon as i turn on the pedal, it mutes. LED comes on. volume is up. cables are good. i have reflowed every connection, checked the orientation of every...