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ruby amp incompatible with piezo pickups?

Posted by rich gallagher on February 17, 2010 at 10:52am in Building Secrets, Tips, Advice, Discussion
i already posted this in "it goes to 11", but thought i might get more response here - i just finished a ruby amp and it works just fine with my strat, but when i plug in my cbg w/2 piezos in series all i get is an obnoxious loud sound like an overloaded hum - help!

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  • rich gallagher February 17, 2010 at 10:52pm
    no, it works fine on my store bought amps

    Wes Yates said:
    Hmmmmm did you ground everything correctly then? There is a picture here on the Nation that has two piezo's in series, Maybe your wiring is off.

    -WY
  • Wes "I'm Baaaaack" Yates February 17, 2010 at 10:35pm
    Hmmmmm did you ground everything correctly then? There is a picture here on the Nation that has two piezo's in series, Maybe your wiring is off.

    -WY
  • rich gallagher February 17, 2010 at 3:51pm
    thanks, but i have a separate gain pot and i encase all my piezos in hot glue

    Wes Yates said:
    Nope. Used one myself. Make a hellova racket tho. I think you can use a capacitor somewhere (pins 7/8?) on the LM386. Somewhere where the gain/tone would be. Also sandwich the piezo in wood/silicone (search online here for pics).

    -WY
  • Wes "I'm Baaaaack" Yates February 17, 2010 at 11:07am
    Nope. Used one myself. Make a hellova racket tho. I think you can use a capacitor somewhere (pins 7/8?) on the LM386. Somewhere where the gain/tone would be. Also sandwich the piezo in wood/silicone (search online here for pics).

    -WY
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