Frustrating intonation issue

Discussion in 'Luthiery, Modifications & Customizations' started by viifox, Dec 4, 2020.

  1. viifox

    viifox SS.org Regular

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    Just got a new 7 string. All the strings intonate just fine, except for low E.

    Every time i get the 12th fret in tune, the open note becomes sharp.

    If i tune down the open note, then the 12th fret becomes flat.

    It's just a vicious cycle. How does one remedy this?

    Thanks!
     
  2. CM_X5

    CM_X5 SS.org Regular

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    You need to move the saddle away from the neck, depending on your bridge it might be easier said than done. Also check the string height. If it's too high you'll make the note sharp just from fretting normally
     
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  3. viifox

    viifox SS.org Regular

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  4. viifox

    viifox SS.org Regular

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    Btw, i am adjusting the saddle. This is what i meant when i get the 12th fret in tune.
     
  5. CM_X5

    CM_X5 SS.org Regular

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    I don't know if I do things different but usually I tune, check string height, then intonate against the open note. So if it's in tune and the fretted note becomes flat you move the saddle toward the neck. Brand new strings fully stretched before any of that. String height will throw things off too so you want as low as you can without buzz and make sure the neck relief is adjusted accordingly
     
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  6. viifox

    viifox SS.org Regular

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    Turns out it was the strings. I should have known better than to trust the factory strings, lol!
     
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