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

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

Also known as: C dim9

Looking for C°9 (Standard Tuning)?

Piano ChordsInstrumentsTunings

How to Play C°9 on Guitar

C°9, Cdim9

Notes: C, E♭, G♭, B♭♭, D

x,8,9,8,11,11 (x12134)
x,11,9,8,8,11 (x32114)
x,11,11,8,8,9 (x34112)
x,8,11,8,11,9 (x13142)
11,11,9,8,8,x (34211x)
11,8,9,8,11,x (31214x)
9,11,11,8,8,x (23411x)
9,8,11,8,11,x (21314x)
9,11,x,8,8,11 (23x114)
11,11,x,8,8,9 (34x112)
9,8,x,8,11,11 (21x134)
11,8,x,8,11,9 (31x142)

Quick Summary

  • The C°9 chord contains the notes: C, E♭, G♭, B♭♭, D
  • In Open E flat tuning, there are 12 voicings available
  • Also written as: C dim9
  • Each diagram shows finger positions on the Guitar fretboard

Frequently Asked Questions

What is the C°9 chord on Guitar?

C°9 is a C Diminished 9 chord. It contains the notes C, E♭, G♭, B♭♭, D. On Guitar in Open E flat tuning, there are 12 ways to play this chord.

How do you play C°9 on Guitar?

To play C°9 on in Open E flat 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 C°9 chord?

The C°9 chord contains the notes: C, E♭, G♭, B♭♭, D.

How many ways can you play C°9 on Guitar?

In Open E flat tuning, there are 12 voicings for the C°9 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°9?

C°9 is also known as C dim9. These are different notations for the same chord with the same notes: C, E♭, G♭, B♭♭, D.

All C chords

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