°9+ Chord on Guitar

4-Voices on Fretboard in Standard Tuning:

Image of °9+ Chord on the Guitar.


There are over 84 voicings for the °9+ chord on guitar and the image above shows only 3 of them. For more voicings see: Fretboard Chord Charts for Guitar

The °9+ chord contains a minor third, diminished fifth, augmented fifth, diminished seventh, and a major ninth.

The intervallic relationships it contains are: minor third, diminished fifth, minor sixth, major sixth, major ninth, minor third, perfect fourth, diminished fifth, major seventh, major second, minor third, minor sixth, minor second, diminished fifth, perfect fourth.


  • Root
  • Minor Third
  • Diminished Fifth
  • Augmented Fifth
  • Diminished Seventh
  • Major Ninth


The °9+ chord has a dissonance rating of 201*

*Dissonance is very subjective. So, as a general guideline, this number is mathematically derived by measuring the intervallic dissonance this chord contains. (The higher the number the more dissonant the chord.)

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