If I play the 5th fret on the B string and an open E, I can tune that interval perfectly. However, when I play an open G string, and third fret on the high e (an octave), my E string is about 20-30 cents sharp. If I tune the G string to match the octave I just played, then when I play the 4th fret on my G and an open B (unison) the B string will be out of tune.

Does anyone know what's going on here? My intonation at the 12th fret is fine, for reference
Quote by sporkman7
so what wierd things can u guys do? no not like laser vision or meat vision or something, but like random stuff that usually comes in handy
The G is always kinda whack. Intonation will never be perfect on a guitar with a straight bridge and frets. I've even played some high end Martins where the G is terrible.

Yours might do with a little bit of adjustment but it's something most players learn to work around.
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