Six String Guitar · Open D Tuning (DADF♯AD) · Capo 2

C+11♭9C Augmented 11th Flat 9th

CRoot
Etone
G♯tone
A♯tone
C♯tone
Ftone

Formula 1 · 3 · ♭6 · ♭7 · ♭2 · 4  ·  Notes C · E · G♯ · A♯ · C♯ · F

How to play it

C+11♭9 fingering positions

Open D Tuning (DADF♯AD) · Capo 2, low E on the left. Each dot is colour-coded by note — the ringed dot is the root. Numbers below show the fret per string (x = muted).

C Augmented 11th Flat 9th guitar chord — 6th position (8 6 6 8 9 9) fretboard diagram in Open D Tuning (DADF♯AD) · Capo 2
C Augmented 11th Flat 9th guitar chord — 6th position (8 9 9 8 6 6) fretboard diagram in Open D Tuning (DADF♯AD) · Capo 2
Read it as tab

C+11♭9 guitar tab

The same voicings in tablature — high e on top, low E on the bottom. Each fret number is colour-coded by note; the ringed number is the root, × means don’t play that string.

C Augmented 11th Flat 9th guitar tab — 6th position (8 6 6 8 9 9) in Open D Tuning (DADF♯AD) · Capo 2
C Augmented 11th Flat 9th guitar tab — 6th position (8 9 9 8 6 6) in Open D Tuning (DADF♯AD) · Capo 2
Sound

How C+11♭9 sounds

Consonance
1/ 5
Brightness
DarkBright
Character

Moods & genres

Moods
volatiledense
Genres
experimental
Theory

Notes & relationships

NotesC · E · G♯ · A♯ · C♯ · F
Formula (scale degrees)1 · 3 · ♭6 · ♭7 · ♭2 · 4
Explore

More ways to play C Augmented 11th Flat 9th

Browse the rest of the C chords in this tuning, or open C+11♭9 in the app for every voicing.

C+11♭9 in other tunings:

StandardDrop DDrop COpen AOpen DOpen EOpen GOpen CDADGADHalf-Step Down

See & hear C+11♭9 in Chordology

The app shows every voicing across guitar, piano, bass, banjo and ukulele — in any tuning, with a capo, and you can play every chord back. All offline.

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