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Topic: MSA U12 - lowest B string keeps popping off roller nut. |
Les Cargill
From:
Oklahoma City, Ok, USA
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Posted 10 Jan 2016 4:21 pm |
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This string just has a sharp break angle in the plane of the neck. Lotta tension so it doesn't stay put on the roller nut. This is annoying; last night I got three comments from band members; it was a distraction so I pulled it off the guitar.
I don't use the string much. Didn't really miss it. Its the same note ( open ) as the bass player's A string, second fret/stop so it doesn't leave him much room. I don't have a boo-wah pedal.
Some detail:
- I keep a minimum number of windings on the tuning post. Is this bad? The additional stretchiness of the windings might make a difference?
- This seems more pronounced with stainless-wind strings. I presume nickel strings are softer and "grip" better. I have an old nickel string or two...
- Is it possible the roller nuts are out of order?
- SFAIK, the roller nuts are completely original. Should I consider a replacement ( if they haven't been taken out of order ) .
- Why on Earth would anybody change the order? |
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Lane Gray
From:
Topeka, KS
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Posted 10 Jan 2016 5:37 pm
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I don't think the classic MSA used gauged nuts.
For the first and last strings, I find that the right number of turns on the post is the number that puts the string going straight down, instead of in or out.
_________________
2 pedal steels, a lapStrat, and an 8-string Dobro (and 3 ukes)
More amps than guitars, and not many effects |
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Les Cargill
From:
Oklahoma City, Ok, USA
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Posted 10 Jan 2016 7:09 pm
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| Lane Gray wrote: |
I don't think the classic MSA used gauged nuts.
For the first and last strings, I find that the right number of turns on the post is the number that puts the string going straight down, instead of in or out. |
I think I just reinvented that, just now.
There appear to be two gauges of roller - very thin and like made to accommodate a .30 or so. |
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Georg Sørtun
From:
Mandal, Agder, Norway
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Posted 10 Jan 2016 7:46 pm
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Are the top of the strings leveled across next to the rollers? ... no bar-buzzing between nut and first fret?
I usually apply a file to the rollers for (only) the thickest strings (.040 and thicker) to make them all well-leveled under the bar, which results in slightly deeper and wider grooves that keep the deep strings in place.
I only do it for about one/third of the nut-circle since there's almost no nut-roller rotation for the thickest strings. This way I can "tune" the exact depth, and also turn the roller back to original groove-depth if I make mistakes with the file - haven't happened yet.
Good thing is that a rounded groove has no negative effect on tone/sustain for the thicker strings, while it may ruin the way thin (plain) strings vibrate over the nut.
Lineing the outer strings up straight from the tuner-posts (as Lane describes) helps on keeping them in the roller-grooves. |
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