constructordeguitarras -> RE: Relief in fretboard (Sep. 26 2016 13:31:03)
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quote:
He or she might just want the neck angle up such that you can achieve the super low as possible bridge set up with minimal buzz. The string height required at the bridge (for a given left-hand action) can indeed be varied by varying the neck angle. However, this has nothing to do with minimizing buzz. When a string vibrates, it is no longer straight, so it tends to come closer to the fingerboard, especially in the middle, which can cause buzzing if the action is low. The cure for this is relief--whether carved into the frets or fingerboard, or achieved by bending the neck under string tension. I make my flamenco guitars so that, with a string height of about 2.7 mm at the 12th fret, the string height at the bridge is about 8 mm (about a sixteenth of an inch of bone showing above a quarter-inch high bridge wood). With so little margin for adjustment in such a setup, if a neck warped in the future it might become impossible to keep the action low. Therefore I use pultruded carbon-fiber neck reinforcement.
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