Six String Guitar · Drop C Tuning (CGCFAD)

Aø11A Half-Diminished 11th

F♯Root
Atone
Ctone
Etone
G♯tone
Btone

Formula 6 · 1 · ♭3 · 5 · 7 · 2  ·  Notes F♯ · A · C · E · G♯ · B

How to play it

Aø11 fingering positions

Drop C Tuning (CGCFAD), 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).

A Half-Diminished 11th guitar chord — 6th position (9 7 7 7 6 9) fretboard diagram in Drop C Tuning (CGCFAD)
A Half-Diminished 11th guitar chord — 18th position (21 19 19 19 18 21) fretboard diagram in Drop C Tuning (CGCFAD)
Read it as tab

Aø11 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.

A Half-Diminished 11th guitar tab — 6th position (9 7 7 7 6 9) in Drop C Tuning (CGCFAD)
A Half-Diminished 11th guitar tab — 18th position (21 19 19 19 18 21) in Drop C Tuning (CGCFAD)
Sound

How Aø11 sounds

Consonance
1/ 5
Brightness
DarkBright
Character

Moods & genres

Moods
murkyunresolved
Genres
jazz
Theory

Notes & relationships

NotesF♯ · A · C · E · G♯ · B
Formula (scale degrees)6 · 1 · ♭3 · 5 · 7 · 2
Same notes asAm11♭5Aø9(add11)
Explore

More ways to play A Half-Diminished 11th

Browse the rest of the A chords in this tuning, or open Aø11 in the app for every voicing.

Aø11 in other tunings:

StandardDrop DOpen AOpen GHalf-Step Down

See & hear Aø11 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.

Hear every chordMore voicingsEvery tuning & capoWorks offline
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