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If a G is in tune then an A isn't!

  • 02-09-2013 4:06pm
    #1
    sponsoredwalk
    Registered Users, Registered Users 2 Posts: 3,038 ✭✭✭


    Any ideas as to why when I tune my guitar so that if, say, an open g chord sounds in tune then other chords sound out of tune? What are the causes of this, what do I read up on?


Comments

  • #2
    Alanstrainor
    Registered Users, Registered Users 2 Posts: 23,157 ✭✭✭✭Alanstrainor


    Intonation is probably out.

    What's the guitar?


  • #3
    sponsoredwalk
    Registered Users, Registered Users 2 Posts: 3,038 ✭✭✭sponsoredwalk


    Thanks a lot, after doing the first real bit of research on this topic in my life I think I've found that my truss rod is a bit off, the string height action is out & the intonation is out. I wont be able to fix them until tomorrow, but is there anything else that could potentially cause this to happen? It's a right-handed squire strat with the strings on upside down, but this has been a soul-destroying problem on tons of guitars through my life :(


  • #4
    Doc_Savage
    Registered Users, Registered Users 2 Posts: 677 ✭✭✭Doc_Savage


    if the guitar was just restrung without a setup then the intonations gonna be a good bit off... try playing a barre chord and see if the further you get up neck the further it gets out of tune.

    it won't be hard to set the intonation, and do that first before you start messing with the truss rod. if the neck is straight then leave it alone. string height can be set from the bridge too...


  • #5
    KeithTS
    Registered Users, Registered Users 2 Posts: 743 ✭✭✭KeithTS


    Look into fixing the intonation, it's simple a enough job as long as you have a tuner.

    Stringing a guitar upside will throw the guitar out a good bit, generally your low E will be set longer than all the other strings and then they'll be shortened as you move through from low E to high E, by stringing it upside down, your intonation is the opposite, short Low E and long high E.


  • #6
    nelly17
    Registered Users, Registered Users 2 Posts: 1,210 ✭✭✭nelly17


    The rule of thumb with intonation is dead centre of your string should be your 12th fret, you can check this by ear by playing the harmonic and then playing the 12th fret, they should sound the same. you can get it pretty close by ear but a decent tuner will wllow you to get it bang on.

    Also a good way to avoid this happening is to restring the guitar 1 string at a time as opposed to loosening all six, this will keep a pretty even tension against the truss rod and minimise flex.


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