A9 chord on 8-String Guitar
in Standard F# (F#-B-E-A-D-G-B-E) tuning
A9
Dominant 9
Notes:A · C# · E · G · B
Piano Left hand Right hand
Fingerings (16)
A9 shapes as text
| Shape | Frets | Fingers | Notes | Difficulty |
|---|---|---|---|---|
| 3 x 0 2 2 0 2 0 | 4 – – 1 2 – 3 – | A x E B E G C# E | hard | |
| 3 x 3 2 2 2 2 3 | 2 – 3 1 1 1 1 4 | A x G B E A C# G | hard · barre on fret 2 | |
| 3 x 3 4 x 4 x x | 1 – 2 3 – 4 – – | A x G C# x B x x | hard | |
| x x 5 4 5 4 0 0 | – – 2 1 3 1 – – | x x A C# G B B E | easy · barre on fret 4 | |
| x x 5 7 5 6 5 7 | – – 1 3 1 2 1 4 | x x A E G C# E B | medium · barre on fret 5 | |
| x x 7 0 7 6 8 0 | – – 2 – 3 1 4 – | x x B A A C# G E | medium | |
| x x 9 0 7 9 8 7 | – – 3 – 1 4 2 1 | x x C# A A E G B | medium · barre on fret 7 | |
| x x 9 0 9 9 8 0 | – – 2 – 3 4 1 – | x x C# A B E G E | medium | |
| x 10 9 10 9 9 10 9 | – 2 1 3 1 1 4 1 | x A C# G B E A C# | medium · barre on fret 9 | |
| x 10 12 10 11 0 0 12 | – 1 3 1 2 – – 4 | x A E G C# G B E | medium · barre on fret 10 | |
| x 12 12 0 11 0 0 12 | – 2 3 – 1 – – 4 | x B E A C# G B E | medium | |
| 3 x 0 2 2 2 2 3 | 2 – – 1 1 1 1 3 | A x E B E A C# G | easy · barre on fret 2 | |
| 3 x 3 2 2 2 2 x | 2 – 3 1 1 1 1 – | A x G B E A C# x | easy · barre on fret 2 | |
| x x 5 4 x 4 x 3 | – – 4 2 – 3 – 1 | x x A C# x B x G | hard | |
| x x 5 4 5 4 5 0 | – – 2 1 3 1 4 – | x x A C# G B E E | medium · barre on fret 4 | |
| x x 5 7 5 6 0 7 | – – 1 3 1 2 – 4 | x x A E G C# B B | medium · barre on fret 5 |
The A9 chord (Dominant 9) is built from the notes A, C#, E, G, B. Below are playable fingerings for 8-String Guitar 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 A9 chord is built
Formula: 1 · 3 · 5 · ♭7 · 9
| Degree | Semitones | Note |
|---|---|---|
| 1 | 0 | A |
| 3 | 4 | C# |
| 5 | 7 | E |
| ♭7 | 10 | G |
| 9 | 14 | B |
More A chords
Other roots
See A9 in another tuning
What notes make up the A9 chord?
A9 is a Dominant 9 chord built from the notes A, C#, E, G, B.
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.