A°9 Guitar Chord — Chart and Tabs in B Flat Tuning

Short answer: A°9 is a A Diminished 9 chord with the notes A, C, E♭, G♭, B. In B Flat tuning, there are 6 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

8,6,5,6,5,x (42131x)
5,6,8,6,5,x (12431x)
8,6,5,x,5,9 (321x14)
5,6,8,x,5,9 (123x14)
8,x,5,8,5,9 (2x1314)
5,x,8,8,5,9 (1x2314)

Quick Summary

  • The A°9 chord contains the notes: A, C, E♭, G♭, B
  • In B Flat tuning, there are 6 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 B Flat tuning, there are 6 ways to play this chord.

How do you play A°9 on Guitar?

To play A°9 on in B Flat tuning, use one of the 6 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 B Flat tuning, there are 6 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.