A°9 Guitar Chord — Chart and Tabs in Open E Tuning

Short answer: A°9 is a A Diminished 9 chord with the notes A, C, E♭, G♭, B. In Open E tuning, there are 24 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,4,5,4,7,7 (x12134)
x,4,7,4,7,5 (x13142)
x,7,7,4,4,5 (x34112)
x,7,5,4,4,7 (x32114)
x,7,5,7,0,8 (x213.4)
x,7,8,7,0,5 (x243.1)
x,0,8,7,7,5 (x.4231)
x,0,5,7,7,8 (x.1234)
5,4,7,4,7,x (21314x)
7,7,5,4,4,x (34211x)
7,4,5,4,7,x (31214x)
5,7,7,4,4,x (23411x)
5,7,8,7,0,x (1243.x)
8,7,5,7,0,x (4213.x)
7,7,x,4,4,5 (34x112)
5,7,x,4,4,7 (23x114)
5,4,x,4,7,7 (21x134)
7,4,x,4,7,5 (31x142)
5,0,8,7,7,x (1.423x)
8,0,5,7,7,x (4.123x)
8,0,x,7,7,5 (4.x231)
8,7,x,7,0,5 (42x3.1)
5,7,x,7,0,8 (12x3.4)
5,0,x,7,7,8 (1.x234)

Quick Summary

  • The A°9 chord contains the notes: A, C, E♭, G♭, B
  • In Open E tuning, there are 24 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 Open E tuning, there are 24 ways to play this chord.

How do you play A°9 on Guitar?

To play A°9 on in Open E tuning, use one of the 24 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 Open E tuning, there are 24 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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