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Δ9sus Chord on Guitar

4-Voices on Fretboard in Standard Tuning:

Image of Δ9sus Chord on the Guitar.


There are over 70 voicings for the Δ9sus chord on guitar and the image above shows only 3 of them. For more voicings see: Fretboard Chord Charts for Guitar

The Δ9sus chord contains a perfect fourth, perfect fifth, major seventh, and a major ninth.

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


  • Root
  • Perfect Fourth
  • Perfect Fifth
  • Major Seventh
  • Major Ninth


The Δ9sus chord has a dissonance rating of 110*

*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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