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tone & volume knobs/pots spin too easily

Discussion in 'Luthier's Guitar & Bass Technical Discussion' started by tone4days, Mar 11, 2005.

  1. tone4days

    tone4days Member

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    folks,

    the volume and tone knobs on my new (to me) PRS McCarty BLE spin VERY easily .. in fact, too easily to my preference ... is this a function of the knobs? or of the underlying pot shafts themselves? or the combination of them both?

    if i wanted to have the knobs offer more 'resistance' to turning, what would i need to do? replace the knobs only? the pots only? both? something else entirely?

    any help would be appreciated

    thanks
    t4d
     
  2. TAVD

    TAVD Guitar Player Gold Supporting Member

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    Depends on how the pot is constructed. If it's a CTS or other where the bottom has 4 tabs bent around to hold it together, you can pinch those tabs down with pliers and it will tighen the pot. Otherwise, you need to replace them.
     
  3. Ron Thorn

    Ron Thorn Gold Supporting Member

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    Replacing the knob will not help.
    I've seen a few guys cut out pieces of felt shaped like a washer and sandwich this between the knob and the top of the body. This adds a little friction to the underside of the knob.
    Even the right diameter o-ring in there would work too.
    Saves you having to do any wiring and replacing parts.

    Ron
     
  4. tone4days

    tone4days Member

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    thanks guys ... will give these ideas a try

    cheers
    t4d
     
  5. 908SSP

    908SSP Supporting Member

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    I use the O-ring trick on the volume pot of my Parker works like a charm.
     
  6. John Hurtt

    John Hurtt Supporting Member

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    I've heard of winding a small rubber band around to add friction.
     
  7. fyler

    fyler Member

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    i used a very thin rubber washer under the volume knob on my steinberger. it would gradually turn itself down.
     
  8. TAVD

    TAVD Guitar Player Gold Supporting Member

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    I forgot all about that felt washer trick. If you want to give that one try, the felt replacement pads for trumpet valves work well (no cutting required).
     

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