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My witch hat knobs don't fit. Please help.

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  • My witch hat knobs don't fit. Please help.

    I have this new wiring harness that I like quite a bit that has CTS pots:

    https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1

    I thought I could just push on these witch hat knobs on cause they say they are good for CTS but they were too big. Just flop right off.

    https://reverb.com/item/6553526-new-...ts-split-shaft

    I'm guessing the type of CTS pots that come on that harness are a different size than standard but having a tough time figuring out what to do. Is there a different size witch hat? Can I get an adapter bushing or something else to make them stick?

    https://www.philadelphialuthiertools...leeves-5-pack/

    Thanks internet friends!
    Last edited by blakejcan; 12-30-2019, 11:26 AM.

  • #2
    Re: My witch hat knobs don't fit. Please help.

    Wrap tape on spline of knob
    EHD
    Just here surfing Guitar Pron
    RG2EX1 w/ SD hot-rodded pickups / RG4EXFM1 w/ Carvin S22j/b + FVN middle
    SR500 / Martin 000CE-1/Epiphone Hummingbird
    Epiphone Florentine with OEM Probuckers
    Ehdwuld branded Blue semi hollow custom with JB/Jazz
    Reptile Green Gibson Custom Studio / Aqua Dean Shire semi hollow with piezo
    Carvin Belair / Laney GC80A Acoustic Amp (a gift from Guitar Player Mag)
    GNX3000 (yea I'm a modeler)

    Comment


    • #3
      Re: My witch hat knobs don't fit. Please help.

      Beauty. Thanks

      Comment


      • #4
        Re: My witch hat knobs don't fit. Please help.

        Return the knobs and get traditional set screw witch hats. Then get those Allparts brass split-to-solid adapter sleeves.
        Originally posted by LesStrat
        Yogi Berra was correct.
        Originally posted by JOLLY
        I do a few chord things, some crappy lead stuff, and then some rhythm stuff.

        Comment


        • #5
          Re: My witch hat knobs don't fit. Please help.

          prob even better

          Comment


          • #6
            Re: My witch hat knobs don't fit. Please help.

            Plumber's teflon tape worked for me.

            Bill
            When you've had budget guitars for a number of years, you may find that your old instrument is holding you back. A quality guitar can inspire you to write great songs, improve your understanding of the Gdim chord while in the Lydian Mode, cure the heartbreak of cystic acne--and help you find true love in the process.

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            • #7
              Re: My witch hat knobs don't fit. Please help.

              Those pots are solid shaft.
              Originally Posted by IanBallard
              Rule of thumb... the more pot you have, the better your tone.

              Comment


              • #8
                Re: My witch hat knobs don't fit. Please help.

                The problem, as you are aware, is that you bought solid shaft pots and split shaft knobs. Those are incompatible. You can either replace the pots with CTS split shaft pots, or replace the knobs with ones designed for solid shafts (with a set screw). You probably won't need the bushings...those are used for putting solid shaft knobs on split shaft pots.
                Originally Posted by IanBallard
                Rule of thumb... the more pot you have, the better your tone.

                Comment


                • #9
                  Re: My witch hat knobs don't fit. Please help.

                  If this is true
                  One could drill and tap for a small set screw in each knob
                  EHD
                  Just here surfing Guitar Pron
                  RG2EX1 w/ SD hot-rodded pickups / RG4EXFM1 w/ Carvin S22j/b + FVN middle
                  SR500 / Martin 000CE-1/Epiphone Hummingbird
                  Epiphone Florentine with OEM Probuckers
                  Ehdwuld branded Blue semi hollow custom with JB/Jazz
                  Reptile Green Gibson Custom Studio / Aqua Dean Shire semi hollow with piezo
                  Carvin Belair / Laney GC80A Acoustic Amp (a gift from Guitar Player Mag)
                  GNX3000 (yea I'm a modeler)

                  Comment


                  • #10
                    Re: My witch hat knobs don't fit. Please help.

                    The photos of the harness show split shaft knobs, but the description states solid shaft knobs.
                    Originally posted by LesStrat
                    Yogi Berra was correct.
                    Originally posted by JOLLY
                    I do a few chord things, some crappy lead stuff, and then some rhythm stuff.

                    Comment


                    • #11
                      Re: My witch hat knobs don't fit. Please help.

                      Originally posted by ehdwuld View Post
                      If this is true
                      One could drill and tap for a small set screw in each knob
                      Yes, but...the knobs are plastic and wouldn't hold such a small screw. The threads in the knobs would strip with very small force.
                      Originally Posted by IanBallard
                      Rule of thumb... the more pot you have, the better your tone.

                      Comment


                      • #12
                        Re: My witch hat knobs don't fit. Please help.

                        Originally posted by GuitarDoc View Post
                        Yes, but...the knobs are plastic and wouldn't hold such a small screw. The threads in the knobs would strip with very small force.
                        Very small screw and many are made that way

                        I have several devices with threaded plastic with set screws

                        But new knobs would solve the problem for around $5
                        EHD
                        Just here surfing Guitar Pron
                        RG2EX1 w/ SD hot-rodded pickups / RG4EXFM1 w/ Carvin S22j/b + FVN middle
                        SR500 / Martin 000CE-1/Epiphone Hummingbird
                        Epiphone Florentine with OEM Probuckers
                        Ehdwuld branded Blue semi hollow custom with JB/Jazz
                        Reptile Green Gibson Custom Studio / Aqua Dean Shire semi hollow with piezo
                        Carvin Belair / Laney GC80A Acoustic Amp (a gift from Guitar Player Mag)
                        GNX3000 (yea I'm a modeler)

                        Comment


                        • #13
                          Re: My witch hat knobs don't fit. Please help.

                          hi gang! They are in fact split shaft knobs and the push on (no screw) witch hats don't fit. I am pretty sure that the issue is that CTS has a few different shaft sizes and these are slightly smaller than normal (just like your dad).

                          I got the bushings and set screw type now. Should be all good! Thanks for the help.

                          Comment

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