A#9 chord on 6-String Guitar – Open B
in Open B (B-F#-B-F#-B-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 4 1 2 3 x | – 4 1 2 3 – | x A# C G# D x | medium | |
| x 4 3 6 3 5 | – 2 1 4 1 3 | x A# D C D G# | medium · barre on fret 3 | |
| 6 6 6 8 9 7 | 1 1 1 3 4 2 | F C F D G# A# | medium · barre on fret 6 | |
| x x 11 8 9 9 | – – 4 1 2 3 | x x A# D G# C | medium | |
| x 4 3 2 1 x | – 4 3 2 1 – | x A# D G# C x | medium | |
| x 4 x 6 3 5 | – 2 – 4 1 3 | x A# x C D G# | hard | |
| 6 6 9 8 6 7 | 1 1 4 3 1 2 | F C G# D F A# | medium · barre on fret 6 | |
| 11 8 9 8 x 9 | 4 1 2 1 – 3 | A# D G# D x C | hard · barre on fret 8 | |
| 1 2 1 4 3 x | 1 2 1 4 3 – | C G# C A# D x | medium · barre on fret 1 | |
| x 4 3 6 x 5 | – 2 1 4 – 3 | x A# D C x G# | hard | |
| 6 8 6 6 9 7 | 1 3 1 1 4 2 | F D F C G# A# | medium · barre on fret 6 | |
| x 8 9 8 11 9 | – 1 2 1 4 3 | x D G# D A# C | medium · barre on fret 8 | |
| 1 2 3 4 1 x | 1 2 3 4 1 – | C G# D A# C x | medium · barre on fret 1 | |
| 3 4 3 6 3 5 | 1 2 1 4 1 3 | D A# D C D G# | medium · barre on fret 3 | |
| 6 8 9 6 6 7 | 1 3 4 1 1 2 | F D G# C F A# | medium · barre on fret 6 | |
| x 8 11 8 9 9 | – 1 4 1 2 3 | x D A# D G# C | medium · barre on fret 8 |
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 B 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.