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  1. spi

    My first tube amp build 5f2a

    Just wrapped this up. I took my time building it, also researched a lot both before and during. It has some mods, but nothing to change the tone much, mostly for safety: Added a RC filter stage of 22uf + 250R before my B+. This was to reduce noise and it also drops the B+ voltage by about...
  2. spi

    Automatic Wire Strippers

    Anyone have good recommendations for wire clippers strippers that are effective at 20-24 awg wire? (and that don't break the bank) For most, 22 or 24 awg seem to be the advertised limit, and from what I read they don't work well at the edge of their range. I just bought this inexpensive one...
  3. spi

    Simple tone generator for audio probe

    When using an audio probe it'd be nice to generate a signal (usually I use a looper pedal, but it requires some extra steps). I see this SMD based circuit in the shop here https://www.pedalpcb.com/product/pcb668/, but I'm more inclined to throw it on a stripboard. Anyone have a simple...
  4. spi

    Cigar Box Ruby Amps

    I built a cigar box amp based on the Runoffgroove Ruby circuit, and the other one was built by our neighbor. How these came to be: My neighbor's daughter took a class on guitar building at Purdue last year, so has an electric guitar but no amp. My neighbor knows I build pedals and kept...
  5. spi

    General Tso

    Built this one based on all the positive reviews it gets here (despite the fact that I rarely use or even need a compressor for my home doodling). I realized when testing it that I had no idea how to work this pedal, but found Thorpy's manual so now I'm squared away. I didn't see the LEDs...
  6. spi

    Pair: Cap'n Crunch Deluxe and Pipe Stretcher

    When somebody made a best of 2025 builds thread, I realized I had only built one pedal in 2025, and that was a fuzz face for a friend. About time I completed something new. I was able to wrap up two builds this week. It's been a while--my offboard wiring regressed being rusty, so it looks a...
  7. spi

    Anyone here use a dashcam

    Off topic for pedal forum, but (for some reason) I like y'alls opinions. Anyone here recommend an inexpensive dashboard camera? This weekend, my wife's car was hit by a car that ran a red light. Fortunately there were no injuries other than the cars. With no other witnesses, the other driver...
  8. spi

    Birthday Card Fuzz

    This is the Madbean BCFUZZ (stands for "business card", but in this case it's for birthday). The theme is birthday cake and sprinkles. This pcb was freebie that bean gave with some order a while ago. I never built it because I didn't need another Fuzz Face. But when I heard my friend is...
  9. spi

    Cattle Driver and Sugarbag

    Just finished up these 2 drives together. Although I keep telling myself I don't need any more overdrives I can't resist. Both of these made it to my wishlist because I was curious about them, but they made it to the shopping cart based on @MichaelW's write-ups. He is the great enabler. The...
  10. spi

    Search is broken

    FYI Anything I search for is giving me "A server error occurred. Please try again later."
  11. spi

    Build docs server can't find file

    https://docs.pedalpcb.com/project/BrownBetty-PedalPCB.pdf
  12. spi

    LFO Filter pedal

    I was playing with Amplitude5, and having a good time with one of the pedal simulation it offers. It occurred to me that I don't know which commercial pedal does this? (Especially if there's a DIY PCB available). Is this what the Chaos Machine does?
  13. spi

    Duocast

    A very hyped pedal. I haven't used it long enough to determine if it lives up to this hype for me. Sounded good to fatten up my Tele as a boost though. To set trims: I started with the gains full up, and the trim at the lowest, and increased until background noise was noticeably louder, then...
  14. spi

    Octarock

    Here's my Octarock. I wrote a bit about it in a troubleshooting thread. After watching some demos, I concluded that perhaps there was nothing wrong with my build other than expectations. I'd still like to get other's opinions on this if you have built it. Initially, I used a whopper of a...
  15. spi

    SOLVED Octarock lower octave volume

    I just put together an Octarock. When I turn up the lower octave all the way, it's like 33% of the clean volume. I can barely hear it. Also, the higher octave is significantly louder than the clean volume, and the upper octave is a bit distorted like a fuzz, whereas I've heard others claim it...
  16. spi

    Dead End Fx Eva

    This one was a long time coming. I wasn't expecting to build it, but around 2 years ago I asked @fig for one of his Fig Labs stickers, and he sent me stickers, picks, and this PCB. When fig gives you a pcb and says "go build something", you go build it. It took a while gather parts because it...
  17. spi

    Thumb Sucker

    This is only the second compressor pedal I've ever used. The other is an Orange Squeezer I built over a decade ago. That OS is easy--one knob, you turn it up if you want more compression. The Engineer's Thumb, with so many parameters to control, feels more refined. However, I've realized...
  18. spi

    Chop Shop

    Nice low-part-count overdrive. It's pretty transparent, and doesn't have much gain on tap. But it sounds good for adding some grit or boost, and I can see why this is a popular pedal--I was really enjoying the sounds I got when testing it, stacked with a prince of tone. I biased transistors...
  19. spi

    Pauper

    I repurposed an old Disarray pedal. The Disarray is from an early batch of pedals I built after discovering PedalPCB. At first, I liked it, but after building a bunch more drives, came to realize I'd never choose it over others that cover the same ground (and it was very dark sounding)...
  20. spi

    Changing Pro-10 blue side volume 5K to 100K

    The blue side of my Pro-10 is really loud, especially in contrast to green side. Unity volume comes on really early (like 8'oclock) and just gets super loud from there. It uses a 5K volume pot, and I'm wondering if swapping it with a 100K pot would bring the range into what I find on most...
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