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This is a BYOC Crown Jewel that I finally got working and boxed up. My first issue was a faulty charge pump IC that created a high pitched whistle all the time, even in bypass. That was the easy fix. I ran into a really frustrating grounding issue that took a while to sort out. The entire...

Commissioned build for a buddy. He does not play guitar but makes all kind of synth-y , ambient music and wanted a way to work some analog pedal circuits into his "no input mixer" recordings. After he explained what he had in mind, I realized I had almost everything I needed in GPCB boards...

I want to pick the collective genius brain of these forums with a switching/routing question. Most of the stuff I make is for my brother, who plays electric cello, bass and mandocello professionally. He wants a box with an buffered FX loop (no problem there) and a single output. What I can't...

Bought 2 of these boards to build for some friends, they sound great and a very straightforward build. I thought about ordering another for myself but then looked at the stack of unpopulated OD/dirt/amp in a box boards on my bench and thought better of it.

Just wrapped this GPCB ParaMix up today. Built for my brother to use in his bass and electric cello pedalboard. He was looking for a way blend in his heavily effected sounds but retain the fundamental bass and transient. This circuit fits the bill and can do a few more cool signal routing...

Just wrapped up a Bellum Fuzz MK1 in a Tayda Copper Hammer enclosure. Very straight forward build, I went with the optional 27k resistor and 2 extra diodes. This thing sounds awesome so far. I've only played with my P90 equipped Tele through it, but it roars. Wide range of cool sounds...

Just wrapped up a Bellum Fuzz MK1 in a Tayda Copper Hammer enclosure. Very straight forward build, I went with the optional 27k resistor and 2 extra diodes. This thing sounds awesome so far. I've only played with my P90 equipped Tele through it, but it roars. Wide range of cool sounds...

Obsidius build for my professional bass playing brother. Really dig this one, might have to build another for myself. Also, apparently the build docs provide valuable information on which boards are spaced for 1/8 watt resistors vs. 1/4 watt. This was a fun project to learn that lesson with.

Just finished up a Mach 1 and I am a big fan of this circuit so far. Does something great to my clean channel and with some knob adjustments sounded huge pushing a kinda dirty channel. First time using the ribbon cable, that's a bit of a game changer. And yes, the gut shot has a green LED but...