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Looking for Bias Pot, Fender Bassman 10

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  • Looking for Bias Pot, Fender Bassman 10

    I am repairing a Fender Bassman 10 amp and having a bit of a time finding a new 10k Bias pot. Does anyone know where I can purchash one. I have tried Antique Electronic Supply but the one they have doesn't have the tap.
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  • #2
    If you cant find a tapped pot, consider wiring a 10k pot as a bias adjust - not the bias balance pot as original.
    "In theory, there is no difference between theory and practice. In practice there is."
    - Yogi Berra

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    • #3
      Originally posted by JoeM View Post
      If you cant find a tapped pot, consider wiring a 10k pot as a bias adjust - not the bias balance pot as original.
      Ditto. The Bias Balance pot was just a bad idea. It's easy to rewire an untapped 10K pot, as is standard now, as a bias adjust.
      John R. Frondelli
      dBm Pro Audio Services, New York, NY

      "Mediocre is the new 'Good' "

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      • #4
        Pardon my ignorance but I fairly new to this. Would I use 2 pots and just wire the 2 tubes as indentical but seperate circuits?

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        • #5
          If I may ask and I know it will sound dumb but how would I wire a 10k pot to replace the original. I have searched everywhere and to no avail for the original part. ( have checked Mouser, Digikey,Fender parts antique parts suppy etc...) I can't seem to get a straight answer for the wireing. I am new to this rewiring stuff and thinking of just chucking this thing.

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          • #6
            Sorry I just answered my own question

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            • #7
              This link may help:

              Bias conversions
              "In theory, there is no difference between theory and practice. In practice there is."
              - Yogi Berra

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              • #8
                Thanks for the link it confirmed what I was thinking.

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                • #9
                  Glad it helped. I dont know why Fender went to the balance arrangement for the bias rather than the BF era bias pot, but it's a common conversion for the SF models.
                  "In theory, there is no difference between theory and practice. In practice there is."
                  - Yogi Berra

                  Comment

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