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  1. VenomBallistics

    Overheating resistors in guitar amp

    Yours is an issue I've just come to accept about solid state guitar amps. I've killed and resurrected many before I started designing and building tube heads. I'm spitballing here as we do not have a schematic to confirm. such resistors are usually employed in the output stage of a class B amp...
  2. VenomBallistics

    The Coffee Sip Tip

    I've always dug in and ran a marathon solder session. It keeps my head directly in the game. It's when I break the groove that I run into errors due to the thought process becoming less than fresh and vivid.
  3. VenomBallistics

    Boxed In- why doesn't it work when in the box

    first guess, your jack polarity. If wired backwards, you'd be sending your signal to ground.
  4. VenomBallistics

    Op Amp Substitute?

    I was thinking more along the lines of why so many amps are still built with 1940's style "chicken head" knobs. In most live venues, light is at a premium. Chicken heads, most often can be glanced at to confirm settings. pedals are at the far end of the visibility spectrum where we are blessed...
  5. VenomBallistics

    Op Amp Substitute?

    be a bit open minded about color choice. Blue looks lovely, but it also has a lot of glare. This may prove annoying depending upon your lighting situation.
  6. VenomBallistics

    Op Amp Substitute?

    I think I remember that bundle from way back. You will need ghostscript to view many of the files in that archive ... but that tube overdrive looks like a potentially interesting springboard.
  7. VenomBallistics

    Op Amp Substitute?

    there are four such sub circuits in that chip, the sketchy part is in the grounding of the unused two.
  8. VenomBallistics

    Op Amp Substitute?

    sounds like you need a deeper parts mine and you may have a sketchy project too. Get a few different schematics so you have a plan B. Personally, I've been gathering parts for an exotic PT2399 delay ... Like yourself, I'm coming up a bit short on a few things. Power supply is interesting. 9V in...
  9. VenomBallistics

    Op Amp Substitute?

    given it's place in the circuit, it should be fairly lenient as the detection section is a CMOS NAND gate. I seem to recall others built around JFETs though ... The 4093 looks interesting
  10. VenomBallistics

    Stacking Transformers for Ultra High Voltage

    It's been said to occur with some of your more zealous tesla coils as well
  11. VenomBallistics

    Stacking Transformers for Ultra High Voltage

    Of important note is an unintended hazard of high voltage antics.... Production of X ray radiation is a possibility
  12. VenomBallistics

    Back to the Breadboard

    looks like it means "green". Not that it will make a difference to circuit function, but maintaining the color coordination can help keep your brain straight
  13. VenomBallistics

    Can’t find a 0.35 ohm 5% resistor anywhere

    Mother of Zeus child ... you might want to wipe the isotopes off that capacitor before you replace things too. Looks like a scene of Saving Private Ryan was filmed in there.
  14. VenomBallistics

    Which speakers are best for home?

    this isn't exactly the best place for such a question. This is more a place to ask how to build them. However, we are aware of many gallons of snake oil and marketing wank applied to goods in this field. Use your ears and tune out everything else.
  15. VenomBallistics

    Requesting Ideas for my Next Venture

    another idea, extend the utility of your distortion pedal with the addition of a tone stack.
  16. VenomBallistics

    Requesting Ideas for my Next Venture

    Compression pedal. Marry that to a distortion for sustain.
  17. VenomBallistics

    MP3 player hum

    Don't know about you, but the strict numeric file naming conventions would drive me nuts. I've pondered a similar project for automotive environments. Music and travel appropriate functions, tactile interface, and minimalist visual feedback. The whole idea revolved around the principal of your...
  18. VenomBallistics

    Passive equalizer

    https://www.duncanamps.com/tsc/index.html This resource might be useful toward your endeavors. But be aware that while tube amp tone stacks are passive, they are book ended by active stages. Nonetheless, you should be able to put something together from this
  19. VenomBallistics

    Power supplies

    in theory, an opamp, for example could be powered by a 10,020/10,010/10,000v supply as all it would see is a +/-10 supply ..... until you plugged anything else into it. Then the excitement begins
  20. VenomBallistics

    MP3 player hum

    That's about where I would be parked on the issue too. Also, I'm left with the question of what this module is really for. You don't really need a removable card for what it seems intended for. You could just load audio via USB to permanent flash memory. I guess it's smaller than an old...
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