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Old 02-14-2018, 12:22 AM
bausin bausin is offline
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Location: Bay Area, CA
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>> If you're trying to get the fretted note at the 12th fret to be exactly on octave above the open pitch, it would seem to me that you'd look at the distance between the 12th and 13th frets, since what you're trying to do is knock (in your example) 10 cents off the fretted note pitch. If that distance is about 16mm, then 1.6mm will be pretty close to ten cents worth, and that's how far you need to move the saddle. If it's sharp, move the saddle back.

Alan,

The problem with this reasoning is that while the fretted note will now match the original open string note, the new open string note will have gone flat by half as much as the fretted note.

That's why Frank's method of using the distance from the nut to the 1st fret works; it is twice the distance from the 12th to the 13th fret.

Steve
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