C#o7b9 Guitar Chord — Chart and Tabs in Open A 2 Tuning

Short answer: C#o7b9 is a C# Diminished 7♭9 chord with the notes C♯, E, G, B♭, D. In Open A 2 tuning, there are 42 voicings. See the fingering diagrams below.

Also known as: C#°7b9

Looking for C#o7b9 (Standard Tuning)?

Piano ChordsInstrumentsTunings

How to Play C#o7b9 on Guitar

C#o7b9, C#°7b9

Notes: C♯, E, G, B♭, D

x,5,0,3,1,0 (x3.21.)
x,4,1,3,1,0 (x4132.)
x,4,1,0,1,3 (x41.23)
x,4,6,6,5,0 (x1342.)
x,5,0,0,1,3 (x3..12)
x,4,3,3,5,6 (x21134)
x,4,3,6,5,3 (x21431)
10,10,0,6,10,0 (23.14.)
10,10,0,6,7,0 (34.12.)
10,7,0,6,10,0 (32.14.)
x,4,6,0,5,6 (x13.24)
10,10,0,0,10,6 (23..41)
10,10,0,0,7,6 (34..21)
10,7,0,0,10,6 (32..41)
x,5,0,6,7,3 (x2.341)
x,5,0,3,7,6 (x2.143)
x,7,0,3,5,6 (x4.123)
x,7,0,6,5,3 (x4.321)
x,10,0,10,7,6 (x3.421)
x,7,0,6,10,10 (x2.134)
x,10,0,6,7,10 (x3.124)
x,7,0,10,10,6 (x2.341)
10,10,0,6,x,0 (23.1x.)
9,10,9,10,x,0 (1324x.)
9,5,6,6,x,0 (4123x.)
9,x,9,10,10,0 (1x234.)
10,x,0,6,10,0 (2x.13.)
9,x,6,6,5,0 (4x231.)
10,10,0,6,7,x (34.12x)
10,10,0,0,x,6 (23..x1)
9,x,6,10,7,6 (3x1421)
9,7,6,6,x,10 (3211x4)
10,x,0,0,10,6 (2x..31)
9,x,9,0,10,10 (1x2.34)
10,7,0,6,10,x (32.14x)
9,x,6,6,7,10 (3x1124)
9,10,9,0,x,10 (132.x4)
9,7,6,10,x,6 (3214x1)
9,x,6,0,5,6 (4x2.13)
9,5,6,0,x,6 (412.x3)
10,7,0,x,10,6 (32.x41)
10,10,0,x,7,6 (34.x21)

Quick Summary

  • The C#o7b9 chord contains the notes: C♯, E, G, B♭, D
  • In Open A 2 tuning, there are 42 voicings available
  • Also written as: C#°7b9
  • Each diagram shows finger positions on the Guitar fretboard

Frequently Asked Questions

What is the C#o7b9 chord on Guitar?

C#o7b9 is a C# Diminished 7♭9 chord. It contains the notes C♯, E, G, B♭, D. On Guitar in Open A 2 tuning, there are 42 ways to play this chord.

How do you play C#o7b9 on Guitar?

To play C#o7b9 on in Open A 2 tuning, use one of the 42 voicings shown above. Each diagram shows finger positions on the fretboard, with numbers indicating which fingers to use.

What notes are in the C#o7b9 chord?

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

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

In Open A 2 tuning, there are 42 voicings for the C#o7b9 chord. Each voicing uses a different position on the fretboard while playing the same notes: C♯, E, G, B♭, D.

What are other names for C#o7b9?

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

All C# chords

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