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

Short answer: A°9 is a A Diminished 9 chord with the notes A, C, E♭, G♭, B. In a tuning, there are 12 voicings. See the fingering diagrams below.

Also known as: A dim9

Looking for A°9 (Standard Tuning)?

Piano ChordsInstrumentsTunings

How to Play A°9 on Guitar

A°9, Adim9

Notes: A, C, E♭, G♭, B

x,0,9,8,10,11 (x.2134)
x,0,9,11,10,8 (x.2431)
8,0,9,11,10,x (1.243x)
11,0,9,8,10,x (4.213x)
10,7,x,11,7,8 (31x412)
11,7,x,10,7,8 (41x312)
8,7,x,11,7,10 (21x413)
10,7,x,8,7,11 (31x214)
8,7,x,10,7,11 (21x314)
11,7,x,8,7,10 (41x213)
11,0,9,x,10,8 (4.2x31)
8,0,9,x,10,11 (1.2x34)

Quick Summary

  • The A°9 chord contains the notes: A, C, E♭, G♭, B
  • In a tuning, there are 12 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 a tuning, there are 12 ways to play this chord.

How do you play A°9 on Guitar?

To play A°9 on in a tuning, use one of the 12 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 a tuning, there are 12 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.

All A chords

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