A#9 chord on 8-String Guitar – Half Step Down
in Half Step Down (F-A#-D#-G#-C#-F#-A#-D#) tuning
A#9
Dominant 9
Notes:A# · D · F · G# · C
Piano Left hand Right hand
Fingerings (16)
A#9 shapes as text
| Shape | Frets | Fingers | Notes | Difficulty |
|---|---|---|---|---|
| x 0 2 0 1 2 2 x | – – 2 – 1 3 4 – | x A# F G# D G# C x | medium | |
| 5 2 2 2 4 2 4 2 | 4 1 1 1 2 1 3 1 | A# C F A# F G# D F | medium · barre on fret 2 | |
| 3 4 7 4 x x x x | 1 2 4 3 – – – – | G# D A# C x x x x | hard | |
| 5 0 5 4 4 4 4 5 | 2 – 3 1 1 1 1 4 | A# A# G# C F A# D G# | medium · barre on fret 4 | |
| x 0 5 6 7 6 0 x | – – 1 2 4 3 – – | x A# G# D G# C A# x | medium | |
| x 0 7 6 7 6 7 x | – – 2 1 3 1 4 – | x A# A# D G# C F x | medium · barre on fret 6 | |
| x 0 7 9 7 8 7 9 | – – 1 3 1 2 1 4 | x A# A# F G# D F C | medium · barre on fret 7 | |
| x 0 9 0 9 8 0 9 | – – 2 – 3 1 – 4 | x A# C G# A# D A# C | medium | |
| x 0 9 9 9 11 10 11 | – – 1 1 1 3 2 4 | x A# C F A# F G# D | medium · barre on fret 9 | |
| x 0 11 0 11 11 10 x | – – 2 – 3 4 1 – | x A# D G# C F G# x | medium | |
| x 12 11 12 11 11 12 11 | – 2 1 3 1 1 4 1 | x A# D G# C F A# D | medium · barre on fret 11 | |
| x 0 2 4 4 2 4 2 | – – 1 2 3 1 4 1 | x A# F C F G# D F | medium · barre on fret 2 | |
| 5 4 2 2 4 2 2 2 | 4 2 1 1 3 1 1 1 | A# D F A# F G# C F | medium · barre on fret 2 | |
| 3 4 x 4 x 4 x x | 1 2 – 3 – 4 – – | G# D x C x A# x x | hard | |
| 5 4 5 4 4 4 0 5 | 2 1 3 1 1 1 – 4 | A# D G# C F A# A# G# | medium · barre on fret 4 | |
| x 0 5 6 7 6 x x | – – 1 2 4 3 – – | x A# G# D G# C x x | medium |
The A#9 chord (Dominant 9) is built from the notes A#, D, F, G#, C. Below are playable fingerings for 8-String Guitar – Half Step Down generated for your selected tuning, ordered from open-position shapes up the neck. Tap a diagram to hear it, or switch to the piano view to see the same harmony on keys.
How the A#9 chord is built
Formula: 1 · 3 · 5 · ♭7 · 9
| Degree | Semitones | Note |
|---|---|---|
| 1 | 0 | A# |
| 3 | 4 | D |
| 5 | 7 | F |
| ♭7 | 10 | G# |
| 9 | 14 | C |
More A# chords
Other roots
See A#9 in another tuning
What notes make up the A#9 chord?
A#9 is a Dominant 9 chord built from the notes A#, D, F, G#, C.
How do I read the diagram?
Strings run left to right from the lowest to the first string; the numbers show which finger presses each fret. An ○ marks an open string, an ✕ marks a muted one.