Six String Guitar · Half-Step Down (E♭A♭D♭G♭B♭E♭) · Capo 3

A♯o9A♯ Diminished ninth

G♯Root
Btone
Dtone
Ftone
A♯tone

Formula ♭7 · ♭2 · 3 · 5 · 1  ·  Notes G♯ · B · D · F · A♯

How to play it

A♯o9 fingering positions

Half-Step Down (E♭A♭D♭G♭B♭E♭) · Capo 3, 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 ninth guitar chord — Open (4 x 0 3 0 1) fretboard diagram in Half-Step Down (E♭A♭D♭G♭B♭E♭) · Capo 3
A♯ Diminished ninth guitar chord — Open (4 1 0 x 0 1) fretboard diagram in Half-Step Down (E♭A♭D♭G♭B♭E♭) · Capo 3
A♯ Diminished ninth guitar chord — Open (4 1 0 1 0 1) fretboard diagram in Half-Step Down (E♭A♭D♭G♭B♭E♭) · Capo 3
A♯ Diminished ninth guitar chord — Open (4 1 0 3 0 1) fretboard diagram in Half-Step Down (E♭A♭D♭G♭B♭E♭) · Capo 3
A♯ Diminished ninth guitar chord — Open (4 1 0 4 x 1) fretboard diagram in Half-Step Down (E♭A♭D♭G♭B♭E♭) · Capo 3
A♯ Diminished ninth guitar chord — Open (4 1 0 4 0 1) fretboard diagram in Half-Step Down (E♭A♭D♭G♭B♭E♭) · Capo 3
A♯ Diminished ninth guitar chord — Open (4 2 0 3 x 1) fretboard diagram in Half-Step Down (E♭A♭D♭G♭B♭E♭) · Capo 3
A♯ Diminished ninth guitar chord — Open (4 2 0 3 0 1) fretboard diagram in Half-Step Down (E♭A♭D♭G♭B♭E♭) · Capo 3
Read it as tab

A♯o9 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 ninth guitar tab — Open (4 x 0 3 0 1) in Half-Step Down (E♭A♭D♭G♭B♭E♭) · Capo 3
A♯ Diminished ninth guitar tab — Open (4 1 0 x 0 1) in Half-Step Down (E♭A♭D♭G♭B♭E♭) · Capo 3
A♯ Diminished ninth guitar tab — Open (4 1 0 1 0 1) in Half-Step Down (E♭A♭D♭G♭B♭E♭) · Capo 3
A♯ Diminished ninth guitar tab — Open (4 1 0 3 0 1) in Half-Step Down (E♭A♭D♭G♭B♭E♭) · Capo 3
A♯ Diminished ninth guitar tab — Open (4 1 0 4 x 1) in Half-Step Down (E♭A♭D♭G♭B♭E♭) · Capo 3
A♯ Diminished ninth guitar tab — Open (4 1 0 4 0 1) in Half-Step Down (E♭A♭D♭G♭B♭E♭) · Capo 3
A♯ Diminished ninth guitar tab — Open (4 2 0 3 x 1) in Half-Step Down (E♭A♭D♭G♭B♭E♭) · Capo 3
A♯ Diminished ninth guitar tab — Open (4 2 0 3 0 1) in Half-Step Down (E♭A♭D♭G♭B♭E♭) · Capo 3
Sound

How A♯o9 sounds

Consonance
1/ 5
Brightness
DarkBright
Character

Moods & genres

Moods
eerietense
Genres
jazzfilm score
Theory

Notes & relationships

NotesG♯ · B · D · F · A♯
Formula (scale degrees)♭7 · ♭2 · 3 · 5 · 1
Same notes asA♯o7(add9)
Explore

More ways to play A♯ Diminished ninth

Browse the rest of the A♯ chords in this tuning, or open A♯o9 in the app for every voicing.

A♯o9 in other tunings:

StandardDrop DDrop COpen AOpen DOpen EOpen GOpen CDADGADHalf-Step Down

See & hear A♯o9 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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