When tuning by ear using harmonics, beware. Only tune using unisons or octaves. Use harmonics at the 5th or 12th frets and compare to open strings or fretted notes. Don't use harmonics at the 7th fret, as they are slightly flat (almost 2 cents) of the perfect fifth intervals used in equal temperament tuning. Comparing 5th fret and 7th fret harmonics, a popular tuning method, causes out-of-tune-ness with the first pair of strings, and this is compounded as you move across the neck!

Use a reliable reference like an electronic keyboard, reference tones from an electronic tuner etc. and get the open strings in tune first.

There probably isn't such a thing as a perfectly in tune guitar, and chasing this dream may drive you crazy if you're a person with absolute pitch. Your tech can get things very close though, and hopefully explain what he's doing so you can perform basic guitar maintenance yourself in the future. Also, consider that compensating for poor intonation causes you to push and pull the strings, engraining bad habbits that are difficult to break later.

My guitar teacher in college recommended the following tuning method. IMPORTANT: It assumes that your guitar is properly intonated from the start, so that fretted notes all across the fretboard are perfectly in tune, or as close as possible!

1. Tune your A string using an accurate reference pitch from a tuning fork, keyboard, electronic tuner, tone generator, etc.

2. Fret your 4th string at the 7th fret (A) and adjust the tuning of the 4th string until there are no beats with the open 5th string.

3. Fret your 3rd string at the 2nd fret (A) and adjust the tuning of the 3rd string until there are no beats with the open 5th string.

4. Fret your 2nd string at the 10th fret (A) and adjust the tuning of the 2nd string until there are no beats with the open 5th string.


5. Fret your 1st string at the 5th fret (A) and adjust the tuning of the 1st string until there are no beats with the open 5th string.

6. Tune your low E string to the high E string so that there are no beats.

You will notice that this method gets one string in tune with a reliable reference, and tunes the other strings to it, using only octaves. If some of those pairs are too hard to hear, you can always use the 5th or 12th fret A string harmonics, since these are still octave multiples.

Here's a great article explaining the basic tasks in setting up a guitar.
http://www.guitarnotes.com/notes/noteget.cgi?basic_guitar_setup

Chris

At 05:41 PM 1/1/2016, you wrote:
Hey Chris. it can make some difference, and it will probably help a bit, But as you have multiple notes going on, it’s not going to fix the problem really well. Have you tried playing around with the harmonics on the guitar itself. That may get you out of trouble until you can get it looked at properly. I think you said it’s an electric guitar is that right. I’ve set the internasion on guitars before when in trouble, and i’ve got the job done.
Steve

On 2 Jan 2016, at 7:52 am, Christopher-Mark Gilland <<mailto:[email protected]>[email protected]> wrote:

I have a lead guitar part I need to record on a song I'm tracking. We have a little problem though.

For some reason, my 3rd G string and also on some occasions my 2nd B string keeps going out of tune. It's not a matter of retune it though. If I do, then certain chords, like E, or G sound fine, or A, even, but if I play a D chord, then, ewwww! Gross! the G string, and the B string are totally flat. More so my G string. No, these are not wound strings.

Anyway, my suspicion is that I probably have an intonation problem going on here. I plan to take the guitar into a shop and have 'em look at it, but in the mingtime, my question is, if I was to pop auto-tune on that guitar track, would that make it sound worse, or could I effectively use that and maybe get the thing more in tune? I mean, I know it theoretically would work, but do you think it would sound unnatural, or is it hard to say?

Is there maybe a better way until I can get this thing looked at that I maybe could tackle this?

Chris.

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