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  1. spi

    Stuff you wanted to know but were afraid to ask

    This might be more info than what you were looking for, but if you read the following 3 articles, you'll have a good understanding. And you'll find the formulas. This one explains how a capacitor behaves: https://www.electronics-tutorials.ws/filter/filter_1.html This one explains how to use a...
  2. spi

    Cap value

    What pedal are you working on?
  3. spi

    Cap value

    I think it means 0u1, or 0.1 uF.
  4. spi

    SOLVED Cattle Driver Volume pot operating issue

    I was going to say translation software. An AI wouldn't have attached a hand drawn diagram or photos of their ppcb build. Could it be a malfunctioning volume pot?
  5. spi

    This Week on the Breadboard: MOSFET Driver Redux

    Mosfet driver is an IC gain stage pushing 2 SHO boosts. A Cattle driver is a soft-clipping IC arrangement. I would characterize them as different takes as you did.
  6. spi

    Low ESR Capacitors

    Yes, low ESR is usually a good thing
  7. spi

    Marshall Guv'nor & Alexander Jubilee: same thing?

    Same with Crunch Box, Angry Charlie, AT, all seem to be variants of the Guvnor.
  8. spi

    2n5089 Alternative PCB082?

    I built one a long time ago using 2n5088s. You can use BC549 too. (neither of those are on your list--you can probably use whatever though assume you socket it)
  9. spi

    Truefire course recommendations?

    Eric Haugan gives off a bit of Bob Ross (paint instructor) vibe to me. Which is neither good or bad, just an observation. If you like blues rock, the Jeff McErlain courses are good. I like his style and teaching over many of the others--his licks seem to come from a classic rock influence...
  10. spi

    Small delay PCBs

    I don't know what counts as small here, but deep blue delay isn't a complicated one, and there's several options including https://effdubaudio.com/pt2399-project-tweak-tone/, https://www.pedalpcb.com/product/pcb026/, and https://aionfx.com/project/vector-legacy/
  11. spi

    Vox in a box (aka The Gent)

    Lovepedal sure gets a lot of milage from electras.
  12. spi

    Cattle Driver and Sugarbag

    Off-brand Posca pens.
  13. spi

    Cattle Driver and Sugarbag

    Oh, and these are the first two builds where I actually made the effort to arrange all the resistors and box caps in the same orientations. The verdict isn't out if it's worth the effort (although the effort wasn't much).
  14. 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...
  15. spi

    Beginner looking for advice

    Which book is it?
  16. spi

    Vero Thermionic with "magic" diodes

    Very nice. Once a pedal has more than 3 knobs I don't like using vero, so I'm impressed by the people who have the patience and skill for the offboard wiring.
  17. spi

    PedalPCB Brown Betty with voicing switch (Brown Betty/Dirty Sanchez/Thermionic)

    That's a great idea, but I'm curious if there's any noticeable differences between them that a slight twist of a knob doesn't make?
  18. spi

    Pedal storage

    I look at the wall and can't help to notice the lack of a marshall stack. Need bigger amp.
  19. spi

    1590B Top Jack Template

    Thanks, can you repost it to the https://forum.pedalpcb.com/forums/drilltemplates/ forum for posterity?
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