Ao7♭9A Diminished 7th Flat 9th
F♯Root
Atone
Ctone
D♯tone
Gtone
Formula 6 · 1 · ♭3 · ♭5 · ♭7 · Notes F♯ · A · C · D♯ · G
How to play it
Ao7♭9 fingering positions
Open D Tuning (DADF♯AD), 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).
Read it as tab
Ao7♭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.
Sound
How Ao7♭9 sounds
Consonance
1/ 5
Brightness
DarkBright
Character
Moods & genres
Moods
menacinggrating
Genres
film score
Theory
Notes & relationships
NotesF♯ · A · C · D♯ · G
Formula (scale degrees)6 · 1 · ♭3 · ♭5 · ♭7
Explore
More ways to play A Diminished 7th Flat 9th
Browse the rest of the A chords in this tuning, or open Ao7♭9 in the app for every voicing.
Ao7♭9 in other tunings:
See & hear Ao7♭9 in Chordology
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