Six String Guitar · Half-Step Down (E♭A♭D♭G♭B♭E♭) · Capo 1

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

Half-Step Down (E♭A♭D♭G♭B♭E♭) · Capo 1, 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 — 5th position (8 8 6 6 5 6) fretboard diagram in Half-Step Down (E♭A♭D♭G♭B♭E♭) · Capo 1

C Augmented 11th Flat 9th guitar chord — 6th position (8 7 6 6 6 6) fretboard diagram in Half-Step Down (E♭A♭D♭G♭B♭E♭) · Capo 1

C Augmented 11th Flat 9th guitar chord — 8th position (8 8 8 9 9 9) fretboard diagram in Half-Step Down (E♭A♭D♭G♭B♭E♭) · Capo 1

C Augmented 11th Flat 9th guitar chord — 17th position (20 20 18 18 17 18) fretboard diagram in Half-Step Down (E♭A♭D♭G♭B♭E♭) · Capo 1

C Augmented 11th Flat 9th guitar chord — 18th position (20 19 18 18 18 18) fretboard diagram in Half-Step Down (E♭A♭D♭G♭B♭E♭) · Capo 1

C Augmented 11th Flat 9th guitar chord — 20th position (20 20 20 21 21 21) fretboard diagram in Half-Step Down (E♭A♭D♭G♭B♭E♭) · Capo 1

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 — 5th position (8 8 6 6 5 6) in Half-Step Down (E♭A♭D♭G♭B♭E♭) · Capo 1

C Augmented 11th Flat 9th guitar tab — 6th position (8 7 6 6 6 6) in Half-Step Down (E♭A♭D♭G♭B♭E♭) · Capo 1

C Augmented 11th Flat 9th guitar tab — 8th position (8 8 8 9 9 9) in Half-Step Down (E♭A♭D♭G♭B♭E♭) · Capo 1

C Augmented 11th Flat 9th guitar tab — 17th position (20 20 18 18 17 18) in Half-Step Down (E♭A♭D♭G♭B♭E♭) · Capo 1

C Augmented 11th Flat 9th guitar tab — 18th position (20 19 18 18 18 18) in Half-Step Down (E♭A♭D♭G♭B♭E♭) · Capo 1

C Augmented 11th Flat 9th guitar tab — 20th position (20 20 20 21 21 21) in Half-Step Down (E♭A♭D♭G♭B♭E♭) · Capo 1

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:

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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