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Originally Posted by gpj1136
Quote:
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The string heights for this nut are slightly higher than the string heights for its 'twin dreadnaught' (I have two), and the twin plays less stiffly, so sanding the nut bottom on this one seems like a reasonable 'next step'...no?
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Yes most likely |
No.
If you're attempting to lower the action at the nut a relatively small amount, the safest procedure is do so by lowering each string carefully by filing its slot. If you try to lower the action accurately by sanding the bottom of the nut, the there's a good chance that you'll go a bit too far for at least one of the strings, and THEN you'll need to go back up.
Better to lower action in the slots. Then, if you find the slots are too deep for your liking, you can recontour the top of the nut for a more pleasing appearance, just as you would while making a new nut.
Nut slot height tolerances are on the order of a few thousandths, where saddle height tolerance is better measured in 32nds. We lower saddles by sanding the bottom, but we risk disaster by trying that with nuts.