Low E Intonation problem after switchen to flatwounds

Discussion in 'Tele-Technical' started by Fortuuna, Feb 17, 2021.

  1. Fortuuna

    Fortuuna TDPRI Member

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    Hello! I recently changed my strings to 10-48 Flatwounds after using 10-46 for years. The low E intonation is fine at the 12th fret harmonic, but when fretting all notes are about 12cents sharp. The rest of the strings are fine. Any suggestions?

    Edit: My guitar is a MIM Tele Thinline if that helps
     
    Last edited: Feb 17, 2021
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  2. Boreas

    Boreas Friend of Leo's Silver Supporter

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    Did they raise your action? The higher your action, the more you are going to go sharp up the neck.
     
  3. Allan Allan

    Allan Allan Tele-Afflicted

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    All notes? Or just some after the 12th fret?

    It's probably the nut since the string gauge changed.
     
  4. Fortuuna

    Fortuuna TDPRI Member

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    I was thinking that too actually...but if I file it so its wider, then in the future change back to 46 on the low e, will that be a problem?
     
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  5. Fortuuna

    Fortuuna TDPRI Member

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    nope action is the same, about medium height
     
  6. Allan Allan

    Allan Allan Tele-Afflicted

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    I hear you can fill the nut back up with superglue and baking soda. But I've never gone back.
     
  7. Boreas

    Boreas Friend of Leo's Silver Supporter

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    Possibly. They do make "nut powder" to rebuild the slot. Pack in powder, hit it with CA, then re-file.

    But I don't think the nut would only cause intonation problems beyond the 12th fret. Whereas if your neck relief or action changed, the string gap gradually gets higher further up the neck. Always check/set your relief and action before intonation.
     
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  8. Fortuuna

    Fortuuna TDPRI Member

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    Sorry didnt see the first question...its all notes on the low E string are sharp, from 1-21
     
  9. Fortuuna

    Fortuuna TDPRI Member

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    Ok thanks Ill try that
     
  10. LutherBurger

    LutherBurger Poster Extraordinaire

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    Does that include fret #12? If so, reset your intonation there.
     
  11. Fortuuna

    Fortuuna TDPRI Member

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    The harmonic at the 12th fret is right in tune, its only when fretting it goes out.
     
  12. Fortuuna

    Fortuuna TDPRI Member

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    But if the neck relief was off...wouldnt the other strings be out too? Its only the low E
     
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  13. jackal

    jackal Friend of Leo's Platinum Supporter

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  14. BryMelvin

    BryMelvin Friend of Leo's

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    If all notes are sharp on that string only and the nut is fine look at how that string is crossing the saddle If all are sharp but ok open string something is shortening the streng length at either the nut or bridge when fretting is done.
     
  15. BryMelvin

    BryMelvin Friend of Leo's

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    IOW check that the break saddle angle angle isn;t causing a different contact point on the saddle when fretting.
     
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  16. Fortuuna

    Fortuuna TDPRI Member

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    Ok thanks!
     
  17. Fortuuna

    Fortuuna TDPRI Member

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    Saddle point seems fine, but looks like theres a little bulge at the nut. What do you think?
     

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  18. BryMelvin

    BryMelvin Friend of Leo's

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    try to flatten that bulge and see
     
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  19. Boreas

    Boreas Friend of Leo's Silver Supporter

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    Not necessarily. A neck doesn't often pull up evenly and string tensions are different with flatwounds. I would:

    1. Minimize your relief to just about
    zero.

    2. Lower your saddles (adhering to your neck radius) until you just get buzzing, then back off just a tad.

    3. Measure the string height at the nut. It should be similar across all strings, or maybe a tad higher on the wound strings.

    4. Now check intonation after stretching strings.

    The order of these procedures are important. Make sure both your bridge and saddles are in the proper position and have not slipped or moved during the string change.
     
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  20. Fortuuna

    Fortuuna TDPRI Member

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    Thats logical :D Will try
     
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