A#9 chord on 6-String Guitar – Open C
in Open C (C-G-C-G-C-E) 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 3 0 1 2 1 | – 3 – 1 2 1 | x A# C G# D F | medium · barre on fret 1 | |
| x 3 2 5 2 4 | – 2 1 4 1 3 | x A# D C D G# | medium · barre on fret 2 | |
| 5 5 5 7 8 6 | 1 1 1 3 4 2 | F C F D G# A# | medium · barre on fret 5 | |
| 10 x 0 7 8 6 | 4 – – 2 3 1 | A# x C D G# A# | hard | |
| 10 7 8 7 0 8 | 4 1 2 1 – 3 | A# D G# D C C | medium · barre on fret 7 | |
| 10 x 0 10 8 10 | 2 – – 3 1 4 | A# x C F G# D | hard | |
| x 3 2 1 0 1 | – 4 3 1 – 2 | x A# D G# C F | medium | |
| x 3 x 5 2 4 | – 2 – 4 1 3 | x A# x C D G# | hard | |
| 5 5 8 7 5 6 | 1 1 4 3 1 2 | F C G# D F A# | medium · barre on fret 5 | |
| 10 x 8 7 0 6 | 4 – 3 2 – 1 | A# x G# D C A# | hard | |
| 10 7 8 7 0 10 | 3 1 2 1 – 4 | A# D G# D C D | medium · barre on fret 7 | |
| 10 x 8 10 0 10 | 2 – 1 3 – 4 | A# x G# F C D | hard | |
| x 3 0 3 2 4 | – 2 – 3 1 4 | x A# C A# D G# | medium | |
| x 3 2 5 x 4 | – 2 1 4 – 3 | x A# D C x G# | hard | |
| 5 7 5 5 8 6 | 1 3 1 1 4 2 | F D F C G# A# | medium · barre on fret 5 | |
| 10 7 0 x 8 6 | 4 2 – – 3 1 | A# D C x G# A# | 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 C 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.