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When did collet knobs first get used for vol/tone?

Discussion in 'Basses [BG]' started by CaseK, Apr 16, 2009.

  1. CaseK


    Apr 15, 2009
    Looks like Alembic's been offering collet knobs for a while. Wondering when that started and who came up with it. Seems like a good idea--not sure why collet knobs haven't been used more widely for vol & tone. Anyone know?:help:
  2. Jim Carr

    Jim Carr Dr. Jim Gold Supporting Member

    Jan 21, 2006
    Denton, TX or Kailua, HI
    fEARful Kool-Aid dispensing liberal academic card-carrying union member Musicians Local 72-147
    No pics, no clue of what you are asking...:D
  3. CaseK


    Apr 15, 2009
  4. bassman10096

    bassman10096 Supporting Member

    Jul 30, 2004
    Email the question to Mica at Alembic.com or better still, post it on the Alembic Club. I suspect somebody there will know the answer. As I understand it, collet-style knobs are part of Alembic's military spec approach to building everything. The only other place I've seen knobs that attach that way is on field-designed electronic testers and other tools. Alembics are overengineered, to be sure, but that's why a 30 year old Alembic bass will often need no work or "updating" to reach top playing condition. :smug:
  5. Keith Guitars

    Keith Guitars

    Aug 25, 2004
    Woodstock, NY
    Builder: Martin Keith Guitars, Veillette Guitars
    Not sure who first used them on guitars,
    but TC Electronic has used collet knobs for years
    on their FX pedals.

    The commonly known TC Chorus pedal has collet knobs.
    I think that goes back some time with TC.

    It's a nice idea, and one that makes a lot of sense
    since pot shafts can sometimes vary by a thousandth or two,
    which seems trivial but will make a knob slip easily or
    even turn visibly eccentric. The collet knob, as long as
    it adjusts with sufficient range, will always center on the

    They also grip like crazy. I learned this the hard way,
    trying to get in to a TC pedal way back when.
    Yanked the shaft right out of the pot!


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