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

Short answer: A°9 is a A Diminished 9 chord with the notes A, C, E♭, G♭, B. In Custom tuning, there are 72 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

0,8,0,11,9,9 (.1.423)
9,11,0,8,0,9 (24.1.3)
0,11,9,8,0,9 (.421.3)
9,8,0,11,0,9 (21.4.3)
0,8,9,11,0,9 (.124.3)
0,11,0,8,9,9 (.4.123)
0,11,0,7,9,10 (.4.123)
9,11,0,7,0,10 (24.1.3)
0,11,9,7,0,10 (.421.3)
9,7,0,11,0,10 (21.4.3)
0,7,9,11,0,10 (.124.3)
0,7,0,11,9,10 (.1.423)
x,11,0,8,9,9 (x4.123)
x,8,0,11,9,9 (x1.423)
x,11,9,8,0,9 (x421.3)
x,8,9,11,0,9 (x124.3)
x,11,0,7,9,10 (x4.123)
x,7,9,11,0,10 (x124.3)
x,7,0,11,9,10 (x1.423)
x,11,9,7,0,10 (x421.3)
9,8,6,7,0,x (4312.x)
9,7,6,8,0,x (4213.x)
6,7,9,8,0,x (1243.x)
6,8,9,7,0,x (1342.x)
9,7,0,8,6,x (42.31x)
0,8,9,7,6,x (.3421x)
9,8,0,7,6,x (43.21x)
0,8,6,7,9,x (.3124x)
0,7,6,8,9,x (.2134x)
6,8,0,7,9,x (13.24x)
0,7,9,8,6,x (.2431x)
6,7,0,8,9,x (12.34x)
6,8,0,x,9,9 (12.x34)
0,8,6,x,9,9 (.21x34)
9,8,6,x,0,9 (321x.4)
6,x,0,8,9,9 (1x.234)
9,x,6,8,0,9 (3x12.4)
6,x,9,8,0,9 (1x32.4)
0,x,6,8,9,9 (.x1234)
9,8,0,x,6,9 (32.x14)
0,8,9,x,6,9 (.23x14)
9,x,0,8,6,9 (3x.214)
0,x,9,8,6,9 (.x3214)
6,8,9,x,0,9 (123x.4)
0,7,9,x,6,10 (.23x14)
9,7,0,x,6,10 (32.x14)
6,7,9,x,0,10 (123x.4)
9,x,6,7,0,10 (3x12.4)
6,x,9,7,0,10 (1x32.4)
0,x,6,7,9,10 (.x1234)
6,x,0,7,9,10 (1x.234)
0,7,6,x,9,10 (.21x34)
6,7,0,x,9,10 (12.x34)
0,x,9,7,6,10 (.x3214)
9,7,6,x,0,10 (321x.4)
9,x,0,7,6,10 (3x.214)
0,11,9,8,x,9 (.421x3)
9,8,x,11,0,9 (21x4.3)
9,11,0,8,x,9 (24.1x3)
0,11,x,8,9,9 (.4x123)
9,8,0,11,x,9 (21.4x3)
0,8,9,11,x,9 (.124x3)
0,8,x,11,9,9 (.1x423)
9,11,x,8,0,9 (24x1.3)
0,11,x,7,9,10 (.4x123)
9,7,x,11,0,10 (21x4.3)
9,11,x,7,0,10 (24x1.3)
9,11,0,7,x,10 (24.1x3)
0,11,9,7,x,10 (.421x3)
0,7,x,11,9,10 (.1x423)
0,7,9,11,x,10 (.124x3)
9,7,0,11,x,10 (21.4x3)

Quick Summary

  • The A°9 chord contains the notes: A, C, E♭, G♭, B
  • In Custom tuning, there are 72 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 Custom tuning, there are 72 ways to play this chord.

How do you play A°9 on Guitar?

To play A°9 on in Custom tuning, use one of the 72 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 Custom tuning, there are 72 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.