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

Short answer: A°9 is a A Diminished 9 chord with the notes A, C, E♭, G♭, B. In CA tuning, there are 8 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

x,9,11,8,9,8 (x24131)
x,9,9,8,11,8 (x23141)
7,9,9,8,x,7 (1342x1)
7,9,x,8,9,7 (13x241)
10,0,11,11,x,8 (2.34x1)
10,0,x,11,11,8 (2.x341)
7,0,11,11,x,11 (1.23x4)
7,0,x,11,11,11 (1.x234)

Quick Summary

  • The A°9 chord contains the notes: A, C, E♭, G♭, B
  • In CA tuning, there are 8 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 CA tuning, there are 8 ways to play this chord.

How do you play A°9 on Guitar?

To play A°9 on in CA tuning, use one of the 8 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 CA tuning, there are 8 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.