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  • Cap Voltage

    Is it OK to use high voltage caps like a 250V. for Wha pedal Will it add distortion or make a 9V.battery or power supply work harder? Thanks

  • #2
    Originally posted by dumbassbob View Post
    Is it OK to use high voltage caps like a 250V. for Wha pedal Will it add distortion or make a 9V.battery or power supply work harder?
    Yes it's fine and no they won't.
    "Take two placebos, works twice as well." Enzo

    "Now get off my lawn with your silicooties and boom-chucka speakers and computers masquerading as amplifiers" Justin Thomas

    "If you're not interested in opinions and the experience of others, why even start a thread?
    You can't just expect consent." Helmholtz

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    • #3
      The voltage rating often corresponds to the size of the cap. Cap sizes are not as standardized as the differences between 1/8, 1/4, and 1/2w resistors, but a 35v 10uf cap will be a bit bigger than a 16v from the same manufacturer for the same 10uf value, and smaller than a 50 or 63v rating.

      In general, cap sizes have shrunk considerably over the last 30 years. It is dead easy for manufacturers these days to make a 47uf/35v cap in a package smaller than what they were using for a 1uf/10v cap in the 70's. If it was 1978 you may well have to resort to the lowest safe value just to fit the cap into the allotted space. But these days, if you're repairing or cloning a pedal, higher-rated caps can easily fit the space.

      Some cap types can provide assurance of very high voltage rating in a very small package, so you don't have the obligation to go for the lowest possible safe rating in order to fit the cap in there.

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