Four String Banjo · Tenor (CGDA) · Capo 1

Ao7♯9A Diminished 7th Sharp 9th

F♯Root
Atone
Ctone
D♯tone
Atone

Formula 6 · 1 · ♭3 · ♭5 · 1  ·  Notes F♯ · A · C · D♯ · A

How to play it

Ao7♯9 fingering positions

Tenor (CGDA) · 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).

A Diminished 7th Sharp 9th guitar chord — 7th position (8 7 9 8) fretboard diagram in Tenor (CGDA) · Capo 1
A Diminished 7th Sharp 9th guitar chord — 19th position (20 19 21 20) fretboard diagram in Tenor (CGDA) · Capo 1
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.

A Diminished 7th Sharp 9th guitar tab — 7th position (8 7 9 8) in Tenor (CGDA) · Capo 1
A Diminished 7th Sharp 9th guitar tab — 19th position (20 19 21 20) in Tenor (CGDA) · Capo 1
Sound

How Ao7♯9 sounds

Consonance
1/ 5
Brightness
DarkBright
Character

Moods & genres

Moods
harshdark
Genres
experimental
Theory

Notes & relationships

NotesF♯ · A · C · D♯ · A
Formula (scale degrees)6 · 1 · ♭3 · ♭5 · 1
Explore

More ways to play A Diminished 7th Sharp 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:

TenorIrish TenorChicagoPlectrum

See & hear Ao7♯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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