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  1. Stickman393

    Wah Inductors. No hype. Just measurements.

    *Deletes account*
  2. Stickman393

    Wah Inductors. No hype. Just measurements.

    Great question. I just kinda imagined myself putting a pair of sunglasses on after I said that and riding off into the horizon. I'll say this: flattery will get you *everywhere*. Unless the flattery is too intense. In which case my imposter syndrome will flare up and somebody might nerd to...
  3. Stickman393

    Wah Inductors. No hype. Just measurements.

    Ooooh, and here's the output when you change the circuit to reflect that of a Maestro Boomerang!
  4. Stickman393

    Wah Inductors. No hype. Just measurements.

    I've read that the originals, like the vox greys, utilized a 250mH inductor. This is the standard crybaby sweep with an idealized 250mH inductor And with a 500mH Inductor Pretty significant shift towards higher frequencies with the lower value inductor. Now with a 250mH inductor and a...
  5. Stickman393

    Wah Inductors. No hype. Just measurements.

    Always down for more data! I've got a new goal for my inductor project: I want to build SPICE models of these inductors. Basically: build a component or sub circuit model that we can pop into SPICE and visually observe how each impacts the circuit. Its gonna require a bit of work on my part...
  6. Stickman393

    Wah Inductors. No hype. Just measurements.

    Stickwife says we're all a bunch of fuckin nerds.
  7. Stickman393

    Wah Inductors. No hype. Just measurements.

    More of my builds in progress. Purpose built for tossing through the windows of oppression with politely worded threatening letters attached via rubber bands. Also good for simulating the effect of a pan-galactic gargle blaster if you omit the letter and instead use a slice of lemon.
  8. Stickman393

    The heck is going on inside Jam Pedals Eureka?

    https://forum.pedalpcb.com/threads/wah-inductors-no-hype-just-measurements.24076/post-394997 Gotcha covered. Three years later.
  9. Stickman393

    Wah Inductors. No hype. Just measurements.

    And the Wahcko trace. Differences with the standard wah circuit: - Most obvious off the bat is the 6 way selector switch. Same way Dunlop used to do it. - Variable Q1 gain. Metal film 100 ohm resistor from Q1 emitter into a 500 ohm trimmer, to ground. -Split the PSU capacitor into two: one...
  10. Stickman393

    Wah Inductors. No hype. Just measurements.

    So, first thing right off the bat that I noticed while looking at the JAM WHACKO. Huh.
  11. Stickman393

    SOLVED positive ground - batteries only - LED's

    Anode to positive ground, cathode to -9Vdc. Current limiting resistor in series on either end. Make and break one leg to turn it on and off. Same idea, ground is just positive instead of negative.
  12. Stickman393

    SWITCH-CRAFT (got any creative uses of switches?)

    Soooo, I'm OK to use this as a "choose-your-own-ground reference adventure switch". Is what you're saying. Don't worry, don't worry. I'll only be using it in low voltage boxes. As strictly defined by the IEC.
  13. Stickman393

    Wah Inductors. No hype. Just measurements.

    Almost forgot: This is a tweak I picked up from the EVH wah. It replaces the 220nf cap that connects to the "output" pin on the potentiometer. Aint gonna make a load of difference. But it's there.
  14. Stickman393

    Wah Inductors. No hype. Just measurements.

    Another! I'm redesigning the turret board to make it slightly smaller and to move the inductor away from the right hand side. Tends to crowd the 9v Inlet a touch. So, this is my last of my V1 boards that I made. This guy gets a 47k input resistor, adjustable Q1 gain, an input cap I pulled...
  15. Stickman393

    Wah Inductors. No hype. Just measurements.

    My little mosfet reverse/over voltage protection and power filtration board. Got a dip switch in there to remove the series resistor should someone have a good quality PSU to power the thing with. So, ya know, your 100 ohm resistor isn't artificially lowering the voltage the circuit sees. By...
  16. Stickman393

    SWITCH-CRAFT (got any creative uses of switches?)

    My dudes... https://www.taydaelectronics.com/electromechanical/switches-key-pad/rotary-switch/rotary-switch-2-pole-21-position-shorting.html This thing calls for a challenge.
  17. Stickman393

    Wah Inductors. No hype. Just measurements.

    Doing a little bit of an experimental build here. Mostly stock, except for the added adjustable gain on Q1 and the range cap. Its not as clean as I want it to be, just a prototype. The range switch on the wah is gonna start from a 8.2nF baseline and. Five positions for parallel caps: empty...
  18. Stickman393

    Vintage Cry-Baby

    Can confirm: this is one from one of my 1970s-era JEN crybabies. 14mm diameter by 8mm height. Measure approx 35-40 ohms DCR with inductance values between 600-800mH as far as I've seen. New production are toroids, both the red and yellow varieties. 15-20 ohms, roughly 600-800 mH...
  19. Stickman393

    Vintage Cry-Baby

    Dunlop sure has made a meal off the Fasel name since they reintroduced it. I'm still not quite convinced that they didn't just keep everything the same from their previous black plastic housing for the red variant. Same size toroid, similar DCR. Measured inductance and Q are really similar...
  20. Stickman393

    Wah Inductors. No hype. Just measurements.

    Yeahhhh. Fuckin, I can't make heads or tails of it. The difference is *extremely* minute. Tested driving both a 1meg load and a 5k load. The load makes a big difference, but this partial AC bypass barely registers on the graph. Huh. I'm flummoxed.
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