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I’ve become a bit fixated on the idea of a tube OD/preamp pedal build, the ‘Son of Ben’ is my current OD of choice and having built and tweaked my own SE valve (sorry I’m British) amp, I’d like to tinker again! What I’d like to find is a schematic or PCB for a universal power supply to do the...

I'm trying to track down a v1.7 and or v1.4 OCD schematic. I'd like to breadboard it over the weekend to see if it's something I need! Did Pedal PCB do an older version of the ADHD? Funny I should be looking for this today, but it has nothing to do with the news from Fulltone, It was watching...

Having breadboarded the Golden Fleece over a year ago I eventually made my own board, it ended up as a test bed for a new etching rocker system!
 
 The original thread for the Golden Fleece is here: https://forum.pedalpcb.com/threads/mythos-golden-fleece-fuzz.4202/ I've used a 100pf for C6...

My pedal building has slowed down somewhat, a consequence of lack of parts, costs going up and playing more guitar! But a new Epiphone Les Paul was a good excuse for a treble booster in the form of ROG Omega, which is a FET based, so not traditional at all. I’m still finding my way with it, but...

I've just got 20 1T308B and they all display the diode symbol between the collector and emitter with a forward voltage around 4v on my component tester. I'm new to Ge transistors so it could well be normal for them, but if anyone can shed some light on what it means I would be grateful. My plan...

I have two bags of GL5516 LDRs bought from two different suppliers on ebay, using my multimeter and shoving the LDR in a dark drawer I'm getting a reading of about 4M ohms from one lot and 6M ohms from the other. KE-10720 LDRs seem to be beyond the measuring capability of my multimeter. Using...

I know it's not been released yet, but can this be easily modded to have a level control like the CE2B? I think it's just a variable resister between the effect and the input of the output half of the opamp. https://www.pedalpcb.com/product/pcb416/

I know there is some info in another thread, but it would be helpful if this and the other 'Boneyard' editions had a bit of info to help make the decision as to which version to build. First, are there any tonal differences? I can see the the output section is been fed off the opamp not the...

The Southern Belle is a variant of the the Mach 1 and as such they are very similar, and if my understanding is correct, compared to the Mach 1 the Southern Belle has a gain boost in the feedback loop of the first half opamp, hard clipping diodes and more gain in the feedback loop of the second...

Are there any harmonic tremolos plans in the pipeline? Preferable switchable between normal and harmonic modes and analogue in nature.

I’m looking at the various blues breaker inspired circuits, and I’m confused, the inverting I/P (pin 2) on the IC is sometimes, via a resistor and capacitor, referencing ground and other times Vref. Referenced to ground on: Parthenon Paragon Overdrive And the Vref on Blue Breaker Glory...

Hello, I'm beginning to get the itch to play some bass guitar and was wondering if anyone could recommend any pedal builds, I've only discovered the Obsidius Preamp so far. It would be great if there were a bass category on the left hand side.

Hello, has anyone built both the MOSFET Driver and the Cattle Driver and compared the two? Also, is the MOSFET Driver PedalPCB's own development of the Tube Driver? Not that I'm going through a Pink Floyd phase at the moment ;)

There are a number of projects here that require JFETS, my electronics knowledge is still in the painting by numbers phase with the odd glimmer of dawning realisation, that I'd hesitate to describe as understanding! So please humour me if I ask a few, probably, dumb questions about JFETS First...

I'm considering a Tweed Man Overdrive, or Covert OD, and I'm planing on using SMD FETs, but was pulled up short when I read in the reviews of the Tweedman OD that MMBF5457's don't work due to the pinouts being different from the 4394, now I was planning on using MMBF4394 anyway as I've just...

Hello, The build docs say R23 is 90k9 which is not a value I've come across and can't seem to locate either, can I just use a 100k? Thanks

Hello, I'm trying to decide on which fuzz to build next, I'm interested in the pyrocumulus fuzz but would like to see a schematic in case it's similar to one I've already built, but the schematic is missing from the build doc. Any help would be great.

Hello, I was wondering if the transistors in the Mesmeriser need to be matched? And also is the 'New Version' that has a waiting list at the moment different to the build docs that are currently up, I'm planning on getting the parts in stock, and will hold off if there has been some changes to...