A°9 Guitar Chord — Chart and Tabs in Duality Tuning

Short answer: A°9 is a A Diminished 9 chord with the notes A, C, E♭, G♭, B. In Duality tuning, there are 17 voicings. See the fingering diagrams below.

Also known as: A dim9

Looking for A°9 (Standard Tuning)?

How to Play A°9 on Guitar

A°9, Adim9

Notes: A, C, E♭, G♭, B

8,10,8,0,9,0 (142.3.)
x,7,5,7,6,0 (x3142.)
x,4,5,7,5,4 (x12431)
x,4,5,4,5,7 (x12134)
x,7,5,0,6,7 (x31.24)
8,7,8,7,x,0 (3142x.)
8,7,x,7,6,0 (42x31.)
8,4,7,7,x,4 (4123x1)
8,7,8,0,x,7 (314.x2)
8,4,7,4,x,7 (4121x3)
8,4,x,4,5,7 (41x123)
8,x,8,7,9,0 (2x314.)
8,4,x,7,5,4 (41x321)
8,7,x,0,6,7 (42x.13)
8,10,8,x,9,0 (142x3.)
8,10,8,0,9,x (142.3x)
8,x,8,0,9,7 (2x3.41)

Quick Summary

  • The A°9 chord contains the notes: A, C, E♭, G♭, B
  • In Duality tuning, there are 17 voicings available
  • Also written as: A dim9
  • Each diagram shows finger positions on the Guitar fretboard

Frequently Asked Questions

What is the A°9 chord on Guitar?

A°9 is a A Diminished 9 chord. It contains the notes A, C, E♭, G♭, B. On Guitar in Duality tuning, there are 17 ways to play this chord.

How do you play A°9 on Guitar?

To play A°9 on in Duality tuning, use one of the 17 voicings shown above. Each diagram shows finger positions on the fretboard, with numbers indicating which fingers to use.

What notes are in the A°9 chord?

The A°9 chord contains the notes: A, C, E♭, G♭, B.

How many ways can you play A°9 on Guitar?

In Duality tuning, there are 17 voicings for the A°9 chord. Each voicing uses a different position on the fretboard while playing the same notes: A, C, E♭, G♭, B.

What are other names for A°9?

A°9 is also known as A dim9. These are different notations for the same chord with the same notes: A, C, E♭, G♭, B.