photograph of a headstock being strung
Edge guitar services

Eltham Jones, guitar repair and technical services :Bristol : Cardiff : Bridgend : Tel. 07971 240296

illustration of a guitar fingerboard showing arc relief

These two drawings show the difference between a straight neck and one set up with arc relief to allow room for the vibratiing string. The lower drawing is exaggerated slightly as in reality the relief measured at the middle of the neck should only be about 0.25mm

Straight neck - gap between frets and string continually increase by linear increment

With arc relief - gap between frets and string opens intitially but begins to level out towards the 12th fret then increases little, becoming almost parallel

© Eltham Jones, EDGE Guitar Services

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