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String gauge change - tune issue

Posted: 25 Nov 2014 6:27 am
by Terry Srader
Just changed to LiveStrings and different gauges.

Tuned all open strings no problem. When tuning string 6 (pedal A) to A, the open string goes higher as well.

Can soeone provide a "how to" when changing string gauges on what mechcanical change is needed to bring all strings into correct tuning.

Much thanks.

Posted: 25 Nov 2014 6:41 am
by Lane Gray
That's a condition called "overtuning."
Did you go from a plain string to a wound one?
If so, you'll have to adjust the pedal to have more travel or move the pull rod farther out on the bellcrank, as wound strings need more finger movement to get the same amount of pitch change.

Posted: 25 Nov 2014 8:37 am
by Erv Niehaus
Have you ever noticed those little white things on the right end of your guitar? Try cranking on them. :D

Posted: 25 Nov 2014 9:01 am
by Terry Srader
Erv Niehaus wrote:Have you ever noticed those little white things on the right end of your guitar? Try cranking on them. :D
Thanks Erv :)

Yes, i've done that but that is what's making the open note to go sharp.

Posted: 25 Nov 2014 9:07 am
by Bill C. Buntin
What brand is the guitar Terry?

Posted: 25 Nov 2014 9:13 am
by Lane Gray
As to a guide for what happens when you change gauges, the following might help:
1: the core of a string (if wound. If plain, it's ALL core) is what matters.
2: if you make it smaller, you'll need to move the finger farther. If you go from plain to wound, you'll need to move it a BUNCH farther.
3: if you make it larger, the finger will need less travel.

2 and 3 can either be accomplished by re-rodding a change to use other holes in bellcranks and fingers or by adjusting pedal/lever stops.
Re-rodding makes more sense, because most changes work more than one string.

Posted: 25 Nov 2014 9:15 am
by Terry Srader
Bill C. Buntin wrote:What brand is the guitar Terry?
Carter SD-10 3&5