The Nut and Frets Are Worn or Damaged. Note : For ease in retuning, it is recommended that one string at a time be changed and tuned. (No matter how I adjust the saddle, even though they’re brand new strings) Setting the intonation of a guitar is the process of adjusting the length of the string so that the 12th fret is perfectly equidistant from … Notice that the pitch line for low E and plain G is more horizontal than on diagram 1 - that's a good thing. Re: low E string intonation problem Got the guitar back from my tech, and they did the trick you're talking about with removing the spring on the low E saddle screw because, while the string holes were drilled at the correct distance, the bridge itself was mounted a millimeter or two too close towards the neck. If the fretted note were flat (never is) I'd make the saddle so that the low E string crossed the saddle on the side facing the sound hole so the string is a little shorter. Low String : Acoustic 2.8-3.2mm 2.0-2.4mm Bass ... *Intonation adjustment is usually necessary when new strings are fitted (it can also be affected by the angle of the tremolo unit). One of the main objectives of every good guitar player and luthier is to have an instrument in tune throughout the entire scale. ... 5 Cheap Acoustic Guitars That Do the Job. A non-compensated excludes any grooves and is flat across the surface. However, when I play a G chord it sounds out of tune. On my acoustic, I can tune my low E string to be in tune. Action is approx 1.8 mm in high E, and approx 1.9-2.0 at low E; Neck adjusted, truss rod set up. Now imagine tuning the low E and unwound G strings downward - the sharp pitch line would drop down, making the E and plain G less sharp, compromising with the open string… The strings rest on the intonation pieces that form part of the bridge. If you fret the strings too hard, it gets a higher pitch sound. Now one possibility to consider when it comes to your guitar’s tuning, is that it might not be the tuning of the open strings that’s the problem. Improperly positioned intonation pieces can cause poor intonation. Intonation Problems. And it changes as the strings get older. Much of my own understanding of intonation has evolved from long … 8. Some … I can play an E chord and it sounds great. LOW TRSII TREMOLO. (We’ll assume your 12-string has the standard octave-string configuration, i.e., the octaves in each pair are closer to you than their wound partners. PROBLEM: My strings won’t intonate properly! Very minimal relief, pressing the 1st and 16th fret (neck/body junction) high E string has only a business card paper can slide and the string actually keeps the business card from falling down. A compensated saddle includes ‘grooves’ or ‘notches’ where the high E, B and G strings rest. Verifying with my chromatic tuner I find that the E string fretted at the third fret brings a slightly sharp G note. ... As with poorly positioned frets, the only solution to this problem is to re-fret the board. Compensating to correct the intonation: Part I This page is dedicated to working with intonation on acoustic guitars, but the information here is applicable to other fretted string instruments. At it’s most basic, intonation involves ensuring that every single fret on the guitar is giving you the true, in-tune note. It’s actually the intonation of the guitar. Some variables that can affect your intonation are different string gauges, scales lengths, set-ups, and playing techniques. This adjusts the length of the string ‘compensating’ for accurate ‘intonation’ so the guitar sounds in tune with notes played higher up the fretboard. If your tuning the E string perfectly, and its high pitched, than your fretting the strings too hard. REPLACING THE STRINGS. Take this measurement for both the 1st and 11th strings—the first of the doubled high Es and the low E string. Usually all I can do is make the intonation better - but not perfect.