I've been trying to fix it, but I never could. The end result should be a guitar that plays as in-tune as a guitar possibly can. ... On most guitars, intonation is adjustable at the bridge. The g, b and little e strings are almost a half tone sharp above the 12th fret. Adjusting this alters the actual length of the string. Adjusting Guitar Intonation . I am having a serious issue with my guitar and looking for some help. Symptoms of intonation problems. Funny how some guitars get problems with the "B" string and others the "G" string. Mind you - G strings have been a problem for a long time. Viewed 8k times 2. Hey guys, Im having intonation problems with my Epiphone SG. So, if you take your guitar in for intonation issues, don’t be surprised if your tech examines the frets. Knowing the cause is the first step to fixing the problem. Your guitar should be stored away from sunlight and heat, in an area with between 40 and 60 percent humidity. Active 4 months ago. Prevent intonation problems by storing your guitar properly. The saddles are all the way back on the bridge. Wenn dieser Test bei einem falsch abgelängten Griffbrett nämlich stimmt, bekommt man in den unteren Lagen nämlich mit Sicherheit massive Probleme mit der Intonation, da die komplette Bundreihe einfach nicht mit dem Oktavpunkt übereinstimmt. Guitar Intonation Problem, Always Sharp. Without going into the science, the guitar’s tempered scale is a compromise and doesn’t result in 100% precise tuning or intervals between notes. I've been playing guitar for 7 years already. When you're not playing your guitar, keep it in its case. Not because of my guitar, but because everybody’s guitar had intonation problems! The first step to correcting your instrument's intonation is to address any issues that can cause intonation problems. Guitars use what is known as an equally tempered scale, as do pianos and most western musical instruments. Throughout the years my ear developed and I started to notice intonation issues. I think wider bones should be standard and properly set-up, that's if the makers is getting paid enough. To set intonation, locate the screw that allows you to change the position of the saddle. Either job should be followed by a good setup. If you haven't done so already take a look at my list, most new intonation problems will be caused by one of these issues. Too much humidity can cause your guitar to warp, leading to intonation problems. Ask Question Asked 1 year, 10 months ago. The answer is some fret work — in many cases a fret-level and re-crowning but, sometimes, a refret. Its a relatively new guitar (about 3 months old.)