C°9 7-String Guitar Chord — Chart and Tabs in Open String Tuning

Short answer: C°9 is a C Diminished 9 chord with the notes C, E♭, G♭, B♭♭, D. In Open String tuning, there are 4 voicings. See the fingering diagrams below.

Also known as: C dim9

Looking for C°9 (Standard Tuning)?

How to Play C°9 on 7-String Guitar

C°9, Cdim9

Notes: C, E♭, G♭, B♭♭, D

11,x,10,11,10,10 (2x1311)
10,x,10,11,10,11 (1x1213)
10,9,x,8,10,8 (32x141)
8,9,x,8,10,10 (12x134)

Quick Summary

  • The C°9 chord contains the notes: C, E♭, G♭, B♭♭, D
  • In Open String tuning, there are 4 voicings available
  • Also written as: C dim9
  • Each diagram shows finger positions on the 7-String Guitar fretboard

Frequently Asked Questions

What is the C°9 chord on 7-String Guitar?

C°9 is a C Diminished 9 chord. It contains the notes C, E♭, G♭, B♭♭, D. On 7-String Guitar in Open String tuning, there are 4 ways to play this chord.

How do you play C°9 on 7-String Guitar?

To play C°9 on in Open String tuning, use one of the 4 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 7-String Guitar?

In Open String tuning, there are 4 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.