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Removing powertubes and running

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  • Removing powertubes and running

    Will it hurt an amp if you pull the power tubes and leave the amp turned on for awhile?

    I do it for testing, a friend and i are just settling an argument

    Thank you

  • #2
    Originally posted by Anti-Hero View Post
    Will it hurt an amp if you pull the power tubes and leave the amp turned on for awhile?
    No.

    Voltages will be slightly higher though. Make sure the filter caps are rated high enough.

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    • #3
      its a fender bassman with 100uf 450v, and 20uf @ 500V

      think thats enough?

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      • #4
        Yes.

        To be 100% sure, you can pull the power tubes and measure the voltage across each cap. A couple of volts too many for a minute or two will not destroy them (say if you measure 505V on a 500V cap).

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