Acoustic Guitar Truss Rod Adjustment Direction

When a quality guitar leaves the factory the truss rod is adjusted according to the maker s taste in setup specs.

Acoustic guitar truss rod adjustment direction.

Sight the neck to see what condition it s in. Tighten the truss rod adjusting nut to straighten a neck that has an up bow. The truss rod is a slim steel rod inside the neck of your guitar. The trick is knowing when you ve got the neck the way you want it.

Adjusting the truss rod of your guitar alters your guitar s neck relief the amount of bow in the neck measured by the distance between the strings and the frets. When tightened it counteracts the tension created by the strings the strings pull the neck forward. When adjusting a truss rod in either direction you are changing the force applied to the rod. Starting with a dead flat neck i increase neck relief slightly until the instrument plays without buzzing.

Different manufacturers put them in different places but they re usually at the headstock under a cap just behind the nut or where the neck joins the body just under. The types of forces that act on a truss rod are compression tension and torque. A truss rod is an interior metal bar running the entire length of a guitar s neck. The neck of most guitars has what s known as a truss rod which is a one or two piece adjustable metal rod that goes down the inside of the center of the neck.

Locate your guitar s truss rod. While the amount of relief is a matter. Loosen the nut if the neck is back bowed. You can adjust the truss rod with a nut located at one end.

Here s how to evaluate and adjust your electric or acoustic neck with a minimum of tools. How to adjust an acoustic guitar truss rod. An adjustable truss rod is either one way or two way also known as single action or double action. You can find the adjusting nut either at the peghead or through the sound hole depending on how your guitar is designed.

The truss rod pulls the neck backward. That is why truss rod adjustments are normally done in conjunction with a set up. Loosening a truss rod turning counter clockwise adds relief to decreases tension on the neck which results in increased higher string action height. S l november 16 2012.