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intonation perfect at 12th fret but off in mid neck

Bluespower

Les Paul Forum Member
Joined
Feb 26, 2003
Messages
3,441
Removed a perfectly intonated Nashville bridge and replaced it with a Tonepros direct "drop in" AVR2.
After intonation is set with 12th fret, the middle notes on the fret board are a bit flat.
This wasn't the case with the Nashville bridge, so Im eliminating the nut as suspect?
What's going on and how to remedy?
 
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tjdjr1

Member
Joined
Mar 7, 2016
Messages
66
If the neck has too much relief, you would have to push strings further to the fret and may cause notes to be sharper, or action too high ? Kinda puzzling..
 

Bluespower

Les Paul Forum Member
Joined
Feb 26, 2003
Messages
3,441
My mistake on a major factor in the equation.
The fretted strings are FLAT in the middle while the 12th fret is right on.
So I guess that means add relief, which makes sense.
Ill try that
 

Enlarscom

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Joined
Jan 21, 2022
Messages
58
y mistake on a major factor in the equation.
The fretted strings are FLAT in the middle while the 12th fret is right on.
So I guess that means add relief, which makes sense. 😀
 

Wilko

All Access/Backstage Pass
Joined
Mar 11, 2002
Messages
20,129
If it's right at the twelfth and not in the middle, the bridge didn't change that. It was wrong with the other bridge too (unless the neck is now straighter). Check the nut for leading edge relation to fretboard end. It's possible that there is too much distance between nut and first fret.
 

Bluespower

Les Paul Forum Member
Joined
Feb 26, 2003
Messages
3,441
worth a try.
Also, I do believe it's neck relief + new bridge interacting.
 

NYCBURST

Active member
Joined
May 11, 2016
Messages
287
Removed a perfectly intonated Nashville bridge and replaced it with a Tonepros direct "drop in" AVR2.
After intonation is set with 12th fret, the middle notes on the fret board are a bit flat.
This wasn't the case with the Nashville bridge, so Im eliminating the nut as suspect?
What's going on and how to remedy?
On a short scale les Paul this sort of thing can drive you nuts, but here's some advice: get the relief you like before you start the intonation process. And most important, remember the guitar is an imperfect instrument. Sometimes its best to leave the notes a little flat in the higher register, leaving forgiveness for finger pressure which bends the notes sharp, also don't be afraid to try using your "ear" for intonation. that's a big factor too. Strobe tuners are great, but sometimes the precision is the problem and can drive you mad. It's an ear thing and absolutely a phycological thing.
 

TM1

Well-known member
Joined
Jun 27, 2003
Messages
8,178
Petersen recomends using the 5th fret & 17th fret to set intonation. Put a capo on the 5th fret, tune the guitar and then check the intonation at the 17th fret. If it's off then set the octave at the 17th. Take the capo off and see if it's intune now.
 

corpse

Well-known member
Joined
Jun 9, 2007
Messages
4,436
Where intonation issues get me is in open tunings- there is no forgiveness in open G. Throb-throb-throb...
 

ourmaninthenorth

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Joined
Mar 28, 2009
Messages
6,843
I’ve never tried this method but here’s an interesting vid on tuning
That's along the same lines as the sweetened tuning features on Peterson stuff, which are user programmable. I'm going to give Mr Taylor's sweeteners a go, thanks for the vid Gary.

As a small aside, I've been messing with alternative tunings for years, no idea at all what I'm doing but there are some lovely sounds to be had that can almost put me in a trance.

I tried some of Fripps New Standard Tunings a few years ago, I think the secret of that one is you need to be in a trance before you attempt it. Bloody baffling and hilarious in equal measure.
 

garywright

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Joined
Aug 17, 2002
Messages
14,444
please let me know how that works for you Paul …I would have loved to hear James do some playing once he had his guitar tuned as such …myself, I have a boss tu-2 which doesn’t offer that feature ( I think )
 

ourmaninthenorth

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Mar 28, 2009
Messages
6,843
please let me know how that works for you Paul …I would have loved to hear James do some playing once he had his guitar tuned as such …myself, I have a boss tu-2 which doesn’t offer that feature ( I think )
Yeah, I thought it strange that he didn't let us have a listen to the finished tuning. But that Olsen, man that sounded good to me out of tune.

My personal favourite tuning is Csus2, low E to high E - CGDGCD. If you've got an acoustic lying about, and feel like slowing things down for a bit, this melancholic thing puts me in a zone marked chilled.

 

garywright

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Aug 17, 2002
Messages
14,444
Thanks and yes it did sound good ..even out of tune haha , I will definitely check that vid out ..fwiw, at present my fav acoustic is a 2012 Martin d18 authentic ‘39
 

ourmaninthenorth

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Mar 28, 2009
Messages
6,843
Thanks and yes it did sound good ..even out of tune haha , I will definitely check that vid out ..fwiw, at present my fav acoustic is a 2012 Martin d18 authentic ‘39
Morning Gary.

Here's a very spooky thing.

It's my birthday today, Audrey surprised me with a copy of Burst Believers V, I randomly opened the book and there I was looking at your 'Burst.

Of all the gin joints.....
 
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ourmaninthenorth

Well-known member
Joined
Mar 28, 2009
Messages
6,843
Thanks Gary.

I of course meant Burst Believers V.

Knowing one's arse from one's elbow is apparently an upside of advancing years.

I think I've bucked the trend.

58 years around the sun, a lot of wine women and song, the rest of it I've wasted.
 
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