Adjusting the Intonation

First of all, I would like to say that most acoustic guitars do not have adjustable saddles, the solid bridge is fixed and therefore, if the intonation is out, you may just have to live with it.

The intonation refers to the guitar being in tune with itself. The frets of the guitar have been placed at a specific place depending on the guitar’s scale. A guitar’s scale length  (or any fretted instrument) is the distance between the nut (or the open string) and the bridge’s saddle. In order to accurately determine an instrument’s scale length, measure from the front edge of the nut to the center of the 12th fret and double the result. This measurement not only determines where the frets are placed for proper intonation, but also has a profound effect on string tension and tone. I will give you an example:

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Checking the Neck

I am in hopes that your frets are in fair shape. If they are badly worn, you may want to have them replaced. If you have been experiencing fret buzz and your frets are badly worn, this may be the reason for it and not the action of your guitar.

A quick reference for checking the neck’s alignment with the bridge is to place a carpenter’s square on the frets of the neck and see if it lines up with the bridge (as seen below).

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