Search results

  1. Chuck D. Bones

    Solodallas & the depths

    What do want them to do differently?
  2. Chuck D. Bones

    baking spray painted enclosures

    Ha ha ha Chas, you must be single! My wife has let me bake motorcycle engine cylinders in her oven so I could press the sleeves in. But she is one in a million to put up with the likes of me. But seriously folks... run the hood fan, open windows, etc. Otherwise: brain damage from noxious fumes.
  3. Chuck D. Bones

    A Request

    Please do not quote my articles in their entirety when responding. You don't have to click the button to respond. You can just type a response at the bottom. If there is something specific you want to quote, just quote that part and delete the rest. Thanks!
  4. Chuck D. Bones

    What's All This Matching Stuff About? - part 1

    You have to analyze the circuit. I have tested a few, mounted on the little adapter boards. So far, none have been eaten by the carpet. I feed it a steady diet of trimmed leads and bits of wire insulation.
  5. Chuck D. Bones

    What's All This Matching Stuff About? - part 1

    Thanks, Man. J201s, whether they are SMD or TO-92, are the same die, tested to the same specs at the factory. Like all JFETs, the Vp and Idss limits are pretty loose. What happens to them after they leave the factory depends on the vendor. Even an in-spec J201 will not work in every pedal...
  6. Chuck D. Bones

    How to set the Bias on the Quarantine Fuzz: Viral Mutation

    Wow. You could put in a trimmer for R11. 50K trimmer in series with 22K. I don't think it needs to be multi-turn. I should temp test one of mine to see how much Q3 drifts with temp.
  7. Chuck D. Bones

    How to set the Bias on the Quarantine Fuzz: Viral Mutation

    Cooder asked for specific instructions on setting the bias on this pedal, so I'm posting them here for all to see. Here's the schematic for reference. Bear in mind that this is built on the Quarantine board, but with some jumpers, parts mounted "sideways" and different part numbers and values...
  8. Chuck D. Bones

    Design Challenge #1

    Interesting! I should have something presentable in the next day or two. I've found that when using a B-taper pot for a gain control, I need series a resistor that is at least 5% of the pot value.
  9. Chuck D. Bones

    What happened to DHL?

    My Tayda shipments via DHL from Bangkok to L.A. are amazingly inexpensive and fast.
  10. Chuck D. Bones

    Squidward pedal - my second build

    It will fit in a Handy Box!
  11. Chuck D. Bones

    The Pinche Cabron - an AS3046D Superfuzz

    If you've got opamps, why go to the trouble of building a Cornish buffer? Have you played a pedal that uses a differential pair for octave generation? I played around a bit with that configuration when I was building & modding the Apple Fritter. You can bias it so both transistors are off or...
  12. Chuck D. Bones

    The Pinche Cabron - an AS3046D Superfuzz

    Is it me, or is that the world's tiniest schematic?
  13. Chuck D. Bones

    MODIFICATION Teaser: I've got a Circulator mod in the works

    I should add that my RANGE switch is ON-ON. I'll try the LFO kill on my breadboard to see what happens.
  14. Chuck D. Bones

    MODIFICATION Teaser: I've got a Circulator mod in the works

    Mod 8: Yes, as long as you put 3.3M between pin 3 of the RATE pot (or pin 1 of IC3) and Vref, you're good. Mod 9: Yes, as long as you put 22K between IC3 pin 8 and GND, you're good. I installed R108 outboard, but put it wherever you like. Conform to the schematic and it will work as...
  15. Chuck D. Bones

    What's All This Matching Stuff About? - part 1

    I was saving that for Part 2. I'm sure there will be plenty of discussion on the topic of biasing a Fuzz Face because it is very subjective. The trivial answer is you build a Fuzz Factory and turn knobs until you get the sound you like.
  16. Chuck D. Bones

    SOLVED Circulator cuts off with switches

    Sure enough, I stand corrected. I finally went and read EQD's Grand Orbiter manual. They imply it will do the Phase 90 sound, which I believe. Wish I still had my old Phase 90 to compare. My mod has the SWEEP pot wired to go all the way down to zero, so no need for the LFO kill switch.
  17. Chuck D. Bones

    Brown Betty

    Sounds like the right move at this point. Inspect as you go. Take your time.
  18. Chuck D. Bones

    What's All This Matching Stuff About? - part 1

    Seen that method before. Steve Daniels describes the same method on his Small Bear how-to pages. It makes a proper measurement of leakage (Iceo) and DC gain (HFE). I expect the Chinese tester does something similar.
  19. Chuck D. Bones

    What's All This Matching Stuff About? - part 1

    I have measured Ge transistors on my Chinese tester and a curve tracer and they agree, so do not be too quick to discount the Chinese tester's accuracy. Do you have a link to Keen's method?
Top