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Intonation Problem Need Help!!!

Discussion in 'Hardware, Setup & Repair [BG]' started by Doo Wop, Oct 1, 2008.


  1. Doo Wop

    Doo Wop

    Apr 26, 2007
    , Maryland
    I am having a problem with setting the intonation on my Jazzbass, and it is driving me crazy:help::confused:

    I have never had this problem before with changing strings on this bass.

    I have tried 3 sets of strings, 2 brand new sets and 1 barely used set. With each set I cannot get the E and G string intonation set at all, but the A and D strings are fine.

    I am about ready to throw my Peterson strobe tuner out the window :rollno:
     
  2. patman01

    patman01

    Oct 25, 2007
    strings too close to pickups maybe?
     
  3. scottbass

    scottbass Bass lines like a big, funky giant

    Jul 13, 2004
    Southern MN
    More description, please.

    Can you tune the open E and G to their respective notes?

    If so, what happens when you fret each string at the 12th fret and check it with the tuner:

    - always sharp and the saddles are already as far towards the strap button as they will go?

    - always flat and the saddles are already as far towards the neck as they will go?

    - can't get a consistent reading on the tuner - sometimes flat and sometimes sharp without even moving the saddles?
     
  4. Doo Wop

    Doo Wop

    Apr 26, 2007
    , Maryland
    All strings tune to their respective notes open.

    A and D string tune and intonate perfectly.

    E and G tune perfectly open but will not intonate at the 12th fret. Both are flat and both saddles are towards the neck as far as they can go without coming off of the screw, and are still flat.
     
  5. Zooberwerx

    Zooberwerx Gold Supporting Member

    Dec 21, 2002
    Virginia Beach, VA
    Are you setting your "witness points" at the individual bridge saddles?

    Riis
     
  6. Zooberwerx

    Zooberwerx Gold Supporting Member

    Dec 21, 2002
    Virginia Beach, VA
    Forgot to ask...are the 12th fret harmonics spot-on as well?

    Riis
     
  7. Removing the springs on the E and G might give you enough room.
     
  8. cabrego

    cabrego Supporting Member

    Jan 21, 2007
    I had trouble intonating my Stingray until I raised the action a little bit.
     
  9. Doo Wop

    Doo Wop

    Apr 26, 2007
    , Maryland

    Distance is 18 inches.
     
  10. Doo Wop

    Doo Wop

    Apr 26, 2007
    , Maryland
    OK, went back and checked everything again, just to double check my settings and to see if I missed something.

    String height / action has not been changed.

    Good break angle behind saddles.

    Distance from the 12th fret to the bridge mounting screws is correct.

    All 3 sets of strings are the same gauge as was originally on the bass, 45-105

    Even tried another tuner. Still the same problem. this one has definitely got my puzzled.
     
  11. scottbass

    scottbass Bass lines like a big, funky giant

    Jul 13, 2004
    Southern MN
    Hmm...tuners (on the headstock) slipping?

    Loose neck joint?
     
  12. Doo Wop

    Doo Wop

    Apr 26, 2007
    , Maryland

    Scott....I have checked every nut and bolt on this bass. :)

    This bass has gone through a few string changes before and I have never had a problem with the setup until now.
     
  13. Captain_Arrrg

    Captain_Arrrg

    Jan 23, 2008
    Mountains of Colorado
    Endorsing Artist: Spector Basses
    If you move the saddles back, does the intonation go way flat or stay somewhat the same?

    Pics of the bridge and the nut and headstock may also help.

    Edit: They're the same brand you use before, right? (Like Sunbeams, or Tru-Bass 88s etc.)
     
  14. Doo Wop

    Doo Wop

    Apr 26, 2007
    , Maryland

    Moving the saddles makes the intonation go flatter.

    I have used 2 sets of LaBella's and 1 set of Alleva Coppolo strings.
     
  15. patman01

    patman01

    Oct 25, 2007
    If it's a different brand of string, it will make a difference--Some brands run sharp on the e string of my Danelectro
     
  16. xshawnxearthx

    xshawnxearthx

    Aug 23, 2004
    new jersey
    how bout you try adjusting the other way? my p-bass's e string is the furthest away from the pup. just try it, you never know.
     
  17. hockey_head

    hockey_head

    Feb 25, 2008
    general rule, tune open string, fret string at fret twelve, move saddle in direction of tuner needle when fretted.
    if fretted note is flat, move saddle toward neck

    try also switching or combining pickups or use tuner mic in front of low-volume amp.

    if bass is active, try new battery?

    it seems as tho the nuance of intonation is not being transfered as a nuance of signal to the tuner, does that make sense?
     

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