A°9 Guitar Chord — Chart and Tabs in STEP1 Tuning

Short answer: A°9 is a A Diminished 9 chord with the notes A, C, E♭, G♭, B. In STEP1 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,11,9,8,8,9 (x42113)
x,8,9,8,11,9 (x12143)
11,11,9,8,8,x (34211x)
9,11,11,8,8,x (23411x)
11,8,9,8,11,x (31214x)
9,8,11,8,11,x (21314x)
9,11,x,8,8,9 (24x113)
9,8,x,8,11,9 (21x143)

Quick Summary

  • The A°9 chord contains the notes: A, C, E♭, G♭, B
  • In STEP1 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 STEP1 tuning, there are 8 ways to play this chord.

How do you play A°9 on Guitar?

To play A°9 on in STEP1 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 STEP1 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.