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  1. Chuck D. Bones

    Boutique Pedal Manufacturers Are Feeling the Tariff Pinch

    As if any of them are capable of thinking that far ahead.
  2. Chuck D. Bones

    This Week on the Breadboard: The Tush OD

    You know NE5534 is a single opamp, right?
  3. Chuck D. Bones

    Random pix

    See if they have any Mojitos.
  4. Chuck D. Bones

    This Week on the Breadboard: The FireDrake

    Or when the COMP pot is turned down.
  5. Chuck D. Bones

    Boutique Pedal Manufacturers Are Feeling the Tariff Pinch

    Trump would like to run this country the way Putin runs Russia.
  6. Chuck D. Bones

    This Week on the Breadboard: The Tush OD

    Kinda surprised me too. I have yet to try other opamps.
  7. Chuck D. Bones

    Random Comments

    One of my favorite episodes is season 5 episode 4 where Cartman goes a little too far seeking vengeance against 8th-grader Scott Tenorman. Another good one is season 6 episode 16. Aw Hell, they're all good!
  8. Chuck D. Bones

    Random Comments

    How come I'm just finding out about this now?
  9. Chuck D. Bones

    This Week on the Breadboard: The Quicklime Girl

    I made a couple of mods, adding a FAT switch and a CLIP switch. At this point, I'm calling it done. Q1 can be any medium-gain Si NPN tranny.
  10. Chuck D. Bones

    This Week on the Breadboard: The Quicklime Girl

    This was inspired by Music6000. He sent me pix of a pedal he bought called the Canaglia and a link to a schematic on FSB. A simple circuit, 3 knobs, basically an Electra driving a SHO. I made a couple of improvements to how the GAIN & DRIVE pots are connected and here it is. This is a...
  11. Chuck D. Bones

    Boutique Pedal Manufacturers Are Feeling the Tariff Pinch

    Maybe we should transfer this fork of the discussion to the Random Comments thread. :LOL:
  12. Chuck D. Bones

    Boutique Pedal Manufacturers Are Feeling the Tariff Pinch

    By the same token that owning a Strat doesn't mean you can play like Eric Clapton, having access to advanced EDA tools won't make you a good designer. I have seen some beautiful boards on these forums and the occasional POS. Somewhere I saw a board where the "designer" placed all of the parts...
  13. Chuck D. Bones

    This Week on the Breadboard: The FireDrake

    TLC2272 is one of them. TLV2372 is another. When driven to saturation, the TL072's output can get closer to the +rail then to the -rail (GND). Setting Vref slightly above 1/2 Vcc will compensate for this and provide nearly symmetric clipping. We may not always want symmetric clipping, so...
  14. Chuck D. Bones

    Circuit explanation help

    Pretty much. On both counts. :LOL:
  15. Chuck D. Bones

    This Week on the Breadboard: The FireDrake

    I wanted a rail-to-rail opamp for the clipping stage. CA3130 was the best choice I had at the time. I've since found another potential candidate and it comes in a dual. As for clipping tone, the TL072 is pretty good if biased correctly. But it has a lot less headroom compared to the CA3130.
  16. Chuck D. Bones

    This Week on the Breadboard: The FireDrake

    Sure you could do that and it would work. I had a spare opamp so I put it to work. As for why Peter Rutter put an output buffer on the Dragon, you'd have to ask him.
  17. Chuck D. Bones

    Circuit explanation help

    It's nothing like a Fuzz Face or Big Muff. It's a rather unique circuit. Q2 bootstraps Q1's collector via R4, except when GAIN is dimed. Boostrapping effectively raises the impedance of R4 which increases Q1's gain. Q3 loads Q2's emitter. At low to medium GAIN settings, Q3's input...
  18. Chuck D. Bones

    Muffinator Fuzz Question

    Given how many BMP variants there are, I'm not sure there is a "usually." All B-taper is pretty common, especially among the early Muffs. Before you pull those pots off, try it as-is and see if you like it. You may only need to change the VOLUME pot.
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