A#9 chord on 6-String Guitar – Open A
in Open A (E-A-C#-E-A-E) tuning · Also known as Spanish A
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 1 1 1 3 4 | – 1 1 1 2 3 | x A# D F C G# | medium · barre on fret 1 | |
| 6 3 x 4 5 x | 4 1 – 2 3 – | A# C x G# D x | hard | |
| 6 x 4 8 5 4 | 3 – 1 4 2 1 | A# x F C D G# | hard · barre on fret 4 | |
| 6 5 7 8 5 x | 2 1 3 4 1 – | A# D G# C D x | medium · barre on fret 5 | |
| 6 x 7 8 x 10 | 1 – 2 3 – 4 | A# x G# C x D | hard | |
| x x 9 8 11 10 | – – 2 1 4 3 | x x A# C G# D | medium | |
| x 1 1 4 3 1 | – 1 1 3 2 1 | x A# D G# C F | medium · barre on fret 1 | |
| 6 5 x 4 3 x | 4 3 – 2 1 – | A# D x G# C x | hard | |
| 6 x x 4 5 8 | 3 – – 1 2 4 | A# x x G# D C | hard | |
| 6 5 7 8 x x | 2 1 3 4 – – | A# D G# C x x | medium | |
| 6 x 7 10 x 8 | 1 – 2 4 – 3 | A# x G# D x C | hard | |
| x x 9 10 11 8 | – – 2 3 4 1 | x x A# D G# C | medium | |
| x 1 1 4 3 x | – 1 2 4 3 – | x A# D G# C x | medium | |
| 6 3 7 x 5 x | 3 1 4 – 2 – | A# C G# x D x | hard | |
| 6 x x 8 5 4 | 3 – – 4 2 1 | A# x x C D G# | hard | |
| 6 x 7 8 5 x | 2 – 3 4 1 – | A# x G# C D x | hard |
The A#9 chord (Dominant 9) is built from the notes A#, D, F, G#, C. Below are playable fingerings for 6-String Guitar – Open A 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.