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  1. derevaun

    Lab Rat build!

    I wouldn't call it mojo, but I did get a few of these in the mail today. УД1408A, apparently the Soviet analog of the LM308. I haven't stuck it in a Rat yet, but it seems like a fun alternative.
  2. derevaun

    Lab rat expanding clipping options?

    This discussion shows up as a similar thread: https://forum.pedalpcb.com/threads/pack-rat-stock-turbo-%E2%80%9Cyou-dirty%E2%80%9D-rat-clipping-options.6202/
  3. derevaun

    Lab rat expanding clipping options?

    It certainly would be an appropriate mod for a pedal called lab rat. I don't fully understand that moonn board though--it looks like it just switches between single diodes instead of pairs? I guess you could stuff two opposed diodes in one space. Guitarpcb has the Rototone, which looks like it...
  4. derevaun

    Are 9v batteries worth it?

    Only with PNP Ge things, and with those I just dangle it off the back. 🤫
  5. derevaun

    FV-1 DEV BOARD ...Now what? (noob woes)

    "Sudo" is already built into the system, so you don't need to add anything for that. Getting Homebrew up and running is among the harder things I've done on Mac, as a Mac user since the 1980s. Last time I did it I gave up a couple times before finally getting it right. IME the most important...
  6. derevaun

    Knob quest: a smaller mini-chickenhead

    Sure, PM me your snailmail and I'll send them. It may be a few days, because my 15yo is totally fixated on the mini-amp, preferring it over the 1x10 and 1x12 amps in their room. It has an interesting crunch tone, and I'm gonna convert it to a head when I can get my hands on it. But I can swap...
  7. derevaun

    Schematic help something is not quite right

    I too am confused. But I would imagine that since it's working in reverse--full volume CCW, no volume CW--the taper wouldn't need to change in order for it to otherwise feel like an A taper? The "S" shape is backward, but it would still be most gradual at either end and faster change in the...
  8. derevaun

    Pedal size voltmeter?

    Nerf enthusiasts sometimes mod their blasters with these: https://www.nerfmodshop.com/shop/p/led-vm ---or are you looking for a more fully featured multimeter?
  9. derevaun

    Knob quest: a smaller mini-chickenhead

    Gonna try it! The onboard speaker is 8 ohms so it will be an easy thing to test. I took a look inside but haven't done the cutting of plastic needed to fully liberate the internals yet.
  10. derevaun

    Knob quest: a smaller mini-chickenhead

    Pardon the necropost, but I thrifted a Fender MD-20 mini amp the other day--it's got four 18mm chickenhead knobs (push-on 18-tooth, short shafts). I was reminded of this thread. It sounds like a carton of lousy and is barely worth the $7.95 I paid for it, if the case can potentially fit a...
  11. derevaun

    Knob quest: a smaller mini-chickenhead

    There's this mysterious knob: https://www.quilterlabs.com/index.php/product/micro-chicken-heads/
  12. derevaun

    Recommendations for thingy to make my guitar go into my computer

    Steinberg/Yamaha and Roland/Boss tend to update drivers for their legacy devices, much more reliably than say M-Audio or Avid/Mbox. My kid uses the cheap Behringer UM2 with a GLS 57-style mic and I can't hear the difference from high end stuff at work. The School of Rock kids at their HS have...
  13. derevaun

    Best way to desolder pots?

    I once attended a workshop where the presenter demonstrated his preferred desoldering method: move the iron around the relevant pads for a few seconds, then whack the board on the corner of a table to launch the part away.
  14. derevaun

    Which soldering iron do you like?

    I use the FX888d in my office. It works fine, but I really dislike the temp adjustment. I set it for my usual temp (330C, no offense to anyone 🙃) and a couple steps up for high-mass joints. I find it necessary to keep that part of the manual taped to the wall behind it. If I regularly switched...
  15. derevaun

    "Cicada" - 1W tube amp

    Where in the signal path did you put the tone stack?
  16. derevaun

    "Cicada" - 1W tube amp

    So cool! Getting away from the power transformer is a victory on its own. I built the Firefly on the last (I think) PCB revision and it definitely earns its reputation as a one trick pony. It also doesn't boost well into high gain (I don't like how that sounds anyway), probably due to the...
  17. derevaun

    Sourcing LM301AN

    I recently got some from Jameco for US$3.95. I haven't tested them in a circuit yet. Good luck!
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