Fret buzz
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Fret buzz is one of the many undesirable phenomena that can occur on a guitar or similar stringed instrument. Fret buzz occurs when the vibrating part of one of more strings physically strikes the frets that are higher than the fretted note (or open note). This causes a "buzzing" sound on the guitar that can range from a small annoyance, to severe enough to dampen the note and greatly reduce sustain. Sometimes, fret buzz can be so minute that there is only a small change in the tone (timbre) of the note, without any noticeable buzzing. Fret buzz can be caused by different things:
- Low action
- Improperly installed frets (frets are too high)
- Strings too loose
- Improper relief of guitar neck
To counter fret buzz, one would have to eliminate the condition which is causing it. Referencing to the above list, one might have to raise the action, have the frets shaved (should be done by a professional), tighten the strings, get a higher gauge of strings, or adjust the curvature of the neck with the truss rod.
