Intonation on Gibson 339 guitar varies by pressure?

Asked by: Jared Wall

How do you fix a guitar intonation problem?

As strings age, intonation “drifts” and you’ll naturally start to hear some out-of-tuneness across the fretboard. If this is the case, don’t adjust your intonation, just change your dang strings. Once you’ve installed and thoroughly stretched your new set of strings, then set your intonation.

What causes intonation problems?

A worn down or improperly positioned nut can cause bad intonation. A worn-down nut will need replacement, and a nut set too high should be filed down in order to lower the string action.

Does adjusting action affect intonation?

Your guitar’s action height directly affects intonation. If the action is too high, it will throw your intonation out. Check your guitar’s action height and make adjustments to action before you work on intonation.

How do you adjust the intonation on a Gibson guitar?


  1. Pick the open string and verify it’s in tune.
  2. Fret at the 12th fret and pick this note. …
  3. If the 12th fret note is flat, move the saddle forward a little by turning the adjustment screw. …
  4. If the 12th fret note is sharp, move the saddle back a little by turning the screw.

Does nut height affect intonation?

High strings at the nut can cause sharp intonation and make playing in first position difficult, while low or worn slots can result in open-string fret buzz. Generally, the bottoms of the nut slots should be a few thousandths of an inch higher than the tops of the frets when the neck is straight.

How do you reset intonation?

No matter what you're doing the concept is the same we're changing the length of the string by moving the saddles. Forward or backward. Making these adjustments we'll pull the string out of tune.

What affects guitar intonation?

Often intonation issues are associated with playing higher up the fretboard (closer to the guitar body). Something else to keep in mind is that the closer a string is to the frets, the less it needs to stretch since it doesn’t have as far to go. This means that low action tends to produce more accurate intonation.

How do you know if intonation is off?

When an instrument is properly intonated, all the open strings and every note on the fretboard sound at their correct pitches. If your guitar still sounds noticeably out of tune even after you’ve tuned the open strings, the intonation is off—that is, the instrument is out of tune with itself.

Does adjusting truss rod affect intonation?

Low action can create better intonation. The key point to remember with intonation is that any adjustments you make to your truss rod can affect intonation. So if you do adjust your truss rod, check your intonation and make further adjustments from your bridge if you need to.

Can guitars have perfect intonation?

Intonation is the “accuracy of pitch in playing or singing, or on a stringed instrument such as a guitar”. The guitar being fretted, while having several very distinct advantages over non-fretted instruments, has one fairly big flaw. It cannot be intonated perfectly over the entire fretboard.

Which way do I move my saddle for intonation?

If the fretted note is sharp compared to the harmonic, the bridge saddle will need to be moved back, away from the head stock. If the fretted note is flat compared to the harmonic, the saddle will need to move forward, toward the headstock.

How do you Intonate a Gibson Les Paul?

The way that we do that is we want the open. Note of any given string to match the 12th fret. And the best way to do that is with a strobe tuner or an electronic tuner.

How do I know if my nut slot is too low?

A rule of thumb for assessing slot height: Fret a string at the third fret and look for some clearance between the string and the top of the first fret. If it’s touching or has a very small clearance, it’s a good indicator your slot is too low.

How do I know if my guitar nut is too high?

If the nut is too low, the string will bump into the first fret when it is played and it will “buzz,” even if the rest of the instrument is properly set up and working well. If the nut is too high, playing at the first fret will be seriously impaired.

How high should nut be above fretboard?

The top of the nut is shaped to follow the radius of the fretboard, and the string slots also follow this curve. To allow the strings to clear the top of the first fret, the bottoms of the slots should be . 030″ higher than the fret height.

How far should strings sit in a nut?

Nut Slots: Depth

Big deep slots and a quarter-inch of nut above the strings just looks a bit rubbish. Ideally, your wound strings should have about half to two-thirds of their diameter in their slots and the unwound strings should sit just below the surface.

How high should the action be on the first fret?

String Height at the 1st Fret

Low Action “Normal” Action
Low E: 0.51mm (0.020”) High E: 0.30mm (0.012”) Low E: 0.76mm (0.030”) High E: 0.41mm (0.016”)

How high should the action be at the 12th fret?

Measuring at the 12th fret (as in the photo), the action height should be 2.6 mm for Steel String Acoustic guitar, 1.8 for electric, 2.0mm for bass and 3mm for a Classical.

Does higher action give better tone?

The “action” of your guitar — meaning the height of the strings off the fretboard — definitely affects your guitar tone. The higher the action, the more open your instrument sounds. High action can often increase sustain and give your notes a nicer resonance than a lower action.

Does tightening truss rod lower action?

Turn the truss rod nut clockwise to counteract this condition. TRUSS ROD TOO TIGHT: When the truss rod is too tight, the neck bows backward. This lowers the string height and increases string buzz. Turn the truss rod nut counter-clockwise to counteract this condition.