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  1. owlexifry

    Tubes 101 - Intro to Tube Preamp Design

    +1 e.g. C6 isn't seeing 250V. it's only seeing the relative voltage difference between each side of R11. (the 250V value is with respect to ground, i.e. the difference between the high voltage/B+ rail and ground is 250V, but the difference between B+ rail and V2B plate is a lot less than...
  2. owlexifry

    Muff clipping diodes & LEDs

    no solder required. the 'trace lines' are already there. that's the point. in this transparent board you'll see that the numbered rows / 'trace lines' have continuity. (a, b, c, d, e all have continuity), and each numbered row is isolated / insulated from each other. so on this board, there's...
  3. owlexifry

    Muff clipping diodes & LEDs

    it's like that when you're new to it. even though i had built a number of pedals before breadboarding, i had no idea what to do with one or how valuable it would be. so i started with an LPB-1. start small to make things easy and possible. then as you grow your confidence and understanding, you...
  4. owlexifry

    Muff clipping diodes & LEDs

    no, just follow the silkscreen indication.
  5. owlexifry

    Muff clipping diodes & LEDs

    not sure what you mean by up and down / across.... with a big muff, the clipping diode pairs always need to be in an opposing orientation with respect to diode polarities. notice how these diodes are in parallel, but the polarities are opposite. regardless of forward voltage or diode type...
  6. owlexifry

    Muff clipping diodes & LEDs

    you’re much better off talking to real people who have the experience and can offer practical suggestions/options, based on the human experience of actually using and tweaking these circuits. chatGPT is just going to sample the internet based on input keywords, shake the ever changing results...
  7. owlexifry

    DEMO Tape Delay mkII (with Envelope Controlled Modulation and Tails Time)

    thanks for sharing this! I have a Mk1 tape delay board I haven't built yet, and I'm curious about this segment... if one was not pleased with PT2399 output noise in bypass, and/or wanted to include that nifty controllable backing off with the tails, could this segment (perhaps on a piece of...
  8. owlexifry

    DEMO [perf/wood] Maxon ST-9 Super Tube Screamer

    cheers 🤘🏻 i just like using those bigger caps on non-pcb builds where the spacing allows it. the 1uF box caps are a bit out of place but they’ll have to do lol haha yep.
  9. owlexifry

    The Howling Overdrive (PPCB Lycan)

    ohhh hang on it's a PPCB x Highwind collab https://forum.pedalpcb.com/threads/lycan-overdrive-pcb-arriving-soon.14158/post-180871 2/3 ain't bad!
  10. owlexifry

    The Howling Overdrive (PPCB Lycan)

    that blackout commitment 🖤🖤 interesting... is this the 'direwolf overdrive' ? looks pretty nifty to me! what amps have you tried goosing with it so far?
  11. owlexifry

    DEMO [perf/wood] Maxon ST-9 Super Tube Screamer

    yeah a proper piece of grainy hardwood would be so much nicer (although difficult to acquire in ≤5mm thickness). here i've just cut a piece from a length of paulownia 'hobby wood', from the local hardware joint. it's pretty pale and dull so i tried to make use of a 'mahogany' stain this time...
  12. owlexifry

    DEMO [perf/wood] Maxon ST-9 Super Tube Screamer

    cheers legend 🤙🏻
  13. owlexifry

    Is it ok to store guitar pickups and vacuum tubes in the same drawer?

    think about how close tubes sit next to the power and output transformers in an amp. and those magnets are not small. you’re good 🤙🏻
  14. owlexifry

    DEMO [perf/wood] Maxon ST-9 Super Tube Screamer

    thanks! the knobs where a gift from my partner - got them from an etsy seller that makes them to order. if it looks stupid and it works… 😅
  15. owlexifry

    DEMO [perf/wood] Maxon ST-9 Super Tube Screamer

    i’ve built this circuit a few times now; vero, pcb, tagboard, and now ‘perf/wood’. inspired by the success of the perf/wood big muff, and after finding a perf layout for the ST-9 on effectlayouts, i decided i was going to attempt to do this board style again with my favorite overdrive...
  16. owlexifry

    1s1588 Test

    https://thomasbe86.github.io/plotly-plot/Diodes_Avg_Plotly.html
  17. owlexifry

    1s1588 Test

  18. owlexifry

    LDRs for Duo-Phase

    damn.... that's no good. well, apparently 9203s are suitable... I grabbed a handful a couple months ago for whenever i get around to doing my duophase, but it looks like they're currently out of stock @ mouser...
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