Five String Banjo · Open G (gDGBD) · Capo 2

Aø9A Half-Diminished 9th

F♯Root
Atone
Ctone
Etone
G♯tone

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

How to play it

Aø9 fingering positions

Open G (gDGBD) · 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).

A Half-Diminished 9th guitar chord — 5th position (5 6 6 7 8) fretboard diagram in Open G (gDGBD) · Capo 2
A Half-Diminished 9th guitar chord — 5th position (5 6 6 8 7) fretboard diagram in Open G (gDGBD) · Capo 2
A Half-Diminished 9th guitar chord — 17th position (17 18 18 19 20) fretboard diagram in Open G (gDGBD) · Capo 2
A Half-Diminished 9th guitar chord — 17th position (17 18 18 20 19) fretboard diagram in Open G (gDGBD) · Capo 2
Read it as tab

Aø9 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 9th guitar tab — 5th position (5 6 6 7 8) in Open G (gDGBD) · Capo 2
A Half-Diminished 9th guitar tab — 5th position (5 6 6 8 7) in Open G (gDGBD) · Capo 2
A Half-Diminished 9th guitar tab — 17th position (17 18 18 19 20) in Open G (gDGBD) · Capo 2
A Half-Diminished 9th guitar tab — 17th position (17 18 18 20 19) in Open G (gDGBD) · Capo 2
Sound

How Aø9 sounds

Consonance
2/ 5
Brightness
DarkBright
Character

Moods & genres

Moods
fragiletensebittersweet
Genres
jazz
Theory

Notes & relationships

NotesF♯ · A · C · E · G♯
Formula (scale degrees)6 · 1 · ♭3 · 5 · 7
Same notes asAm9♭5Aø7(add9)
Explore

More ways to play A Half-Diminished 9th

Browse the rest of the A chords in this tuning, or open Aø9 in the app for every voicing.

Aø9 in other tunings:

Open GC / Drop CDouble CSawmill / Mountain ModalOpen D

See & hear Aø9 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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