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Thread: Newly carved Guitar shaped Octave Mandolin top Buzzing

  1. #1

    Default Newly carved Guitar shaped Octave Mandolin top Buzzing

    Hi
    I'm currently building an Guitar Shaped Octave Mandolin with a carved top. I used X-Bracing and whilst tuning the braces I noticed a buzz when tapping. I couldn't get rid of the buzz so decided to strip the braces and re do them. However, the unbraced top still buzzes when tapped.
    It seems to be coming from one of the f-holes which I have bound with black fibre veneer (although I'm not certain this is where the buzz is coming from).
    I wondered if reinforcing the f-hole with cloth tape would be a good idea?
    I'm a bit worried that the top will continue to buzz when I have completed the instrument which would be a disaster.
    Any ideas on what might be going on??
    Thanks in advance for your help.
    Matthew

  2. #2
    Registered User John Bertotti's Avatar
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    Default Re: Newly carved Guitar shaped Octave Mandolin top Buzzing

    A void in the wood? Maybe inspect it with a bright light behind it might find a small check or crack somewhere as well.
    My avatar is of my OldWave Oval A

    Creativity is just doing something wierd and finding out others like it.

  3. #3

    Default Re: Newly carved Guitar shaped Octave Mandolin top Buzzing

    Thanks John
    I'll have a good look tomorrow. On first inspection I can't see anything but I will get a stronger light and have a better go.

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  5. #4
    Registered User John Bertotti's Avatar
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    Default Re: Newly carved Guitar shaped Octave Mandolin top Buzzing

    I’m no instrument pro but it’s a place to start especially if you have already removed any bracing. I would be inclined to rig a jig with a set of strings attached so I could put the top under string pressure before even using it. It would be a shame if it failed when under pressure or even a few months after having a completed instrument.
    My avatar is of my OldWave Oval A

    Creativity is just doing something wierd and finding out others like it.

  6. #5
    Registered User Charles E.'s Avatar
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    Default Re: Newly carved Guitar shaped Octave Mandolin top Buzzing

    Could be a hidden sap pocket or a hairline crack. Hopefully you can locate it with a strong back light. It would be a shame to have to start over with a new top.
    Charley

    A bunch of stuff with four strings

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