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Thread: Machine Head Buzz

  1. #1
    Member
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    Jun 2021
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    Sydney, Australia
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    Machine Head Buzz

    Hi Everyone,

    My build is going exceptionally well thus far (touch wood), and I'm finally attaching the neck and setting strings up. However, while I had the high and low e strings on to check my neck alignment, I noticed a slight buzz that sounds like its coming from one of the machine heads. Any ideas what this might be? I thought it might be the nut angle and I will check this out further when the guitar is fully assembled, but I fear I may need a replacement head.

    Just thought I would throw the issue on here as I would love to hear if anyone has encountered this issue on PB builds before.

    Thanks !
    Matt

  2. #2
    GAStronomist Simon Barden's Avatar
    Join Date
    Oct 2016
    Location
    Reading, UK
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    9,186
    If you only fitted the machine heads loosely, and didn't then tighten up the clamping nuts fully, the washer can still vibrate.

    If you fitted all the tuners but only two strings, then the posts can rattle against the clamping nuts.

    If this is the ST kit, then the top E won't have its string tree fitted yet, so the string can buzz in the nut slot due to lack of downward pressure.

    And any string can buzz in its nut slot if the slot is cut/angled badly so the string is not resting firmly at the fingerboard end but at the headstock end of the nut so the string can vibrate against the nut.

    You should also check the truss rod. The kit have double action rods, which have a dead spot in the middle between adding tension or compression to the rod. The truss rod nut is loose in this mid-point, so can sometimes rattle. Just turn it enough so it starts to bite (either way), and see if that stops any rattle.

  3. #3
    Member
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    Jun 2021
    Location
    Sydney, Australia
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    Awesome, thanks for the advice once again Simon

    I'll get back to you after I've set everything up and checked the things you mention.

    I'm sure its nothing special but I'll attach a photo of the finish I went for, its my first build and I have no experience with anything like this so I'm very proud of what I've got as the result.

    Thanks again for your help.

    Click image for larger version. 

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