A#o7b9 Guitar Chord — Chart and Tabs in Drop C# Fourths Tuning

Short answer: A#o7b9 is a A# Diminished 7♭9 chord with the notes A♯, C♯, E, G, B. In Drop C# Fourths tuning, there are 8 voicings. See the fingering diagrams below.

Also known as: A#°7b9

Looking for A#o7b9 (Standard Tuning)?

Piano ChordsInstrumentsTunings

How to Play A#o7b9 on Guitar

A#o7b9, A#°7b9

Notes: A♯, C♯, E, G, B

x,8,9,7,8,7 (x24131)
x,11,9,10,0,9 (x413.2)
9,8,x,7,8,7 (42x131)
10,8,9,x,8,9 (412x13)
9,8,10,x,8,9 (214x13)
10,11,9,10,x,9 (2413x1)
9,11,10,10,x,9 (1423x1)
9,11,x,10,0,9 (14x3.2)

Quick Summary

  • The A#o7b9 chord contains the notes: A♯, C♯, E, G, B
  • In Drop C# Fourths tuning, there are 8 voicings available
  • Also written as: A#°7b9
  • Each diagram shows finger positions on the Guitar fretboard

Frequently Asked Questions

What is the A#o7b9 chord on Guitar?

A#o7b9 is a A# Diminished 7♭9 chord. It contains the notes A♯, C♯, E, G, B. On Guitar in Drop C# Fourths tuning, there are 8 ways to play this chord.

How do you play A#o7b9 on Guitar?

To play A#o7b9 on in Drop C# Fourths 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#o7b9 chord?

The A#o7b9 chord contains the notes: A♯, C♯, E, G, B.

How many ways can you play A#o7b9 on Guitar?

In Drop C# Fourths tuning, there are 8 voicings for the A#o7b9 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#o7b9?

A#o7b9 is also known as A#°7b9. These are different notations for the same chord with the same notes: A♯, C♯, E, G, B.

All A# chords

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