A9 chord on 6-String Guitar – B Standard
in B Standard (B-E-A-D-F#-B) 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 |
|---|---|---|---|---|
| 0 0 0 2 1 2 | – – – 2 1 3 | B E A E G C# | easy | |
| x 5 2 5 3 2 | – 3 1 4 2 1 | x A B G A C# | medium · barre on fret 2 | |
| x 3 4 7 5 x | – 1 2 4 3 – | x G C# A B x | hard | |
| x 5 4 5 5 0 | – 2 1 3 4 – | x A C# G B B | medium | |
| x 5 7 5 7 0 | – 1 2 1 3 – | x A E G C# B | medium · barre on fret 5 | |
| 10 7 7 7 7 8 | 3 1 1 1 1 2 | A B E A C# G | medium · barre on fret 7 | |
| x 9 0 9 10 8 | – 2 – 3 4 1 | x C# A B E G | medium | |
| 10 9 10 9 10 0 | 2 1 3 1 4 – | A C# G B E B | medium · barre on fret 9 | |
| 10 12 10 11 10 12 | 1 3 1 2 1 4 | A E G C# E B | medium · barre on fret 10 | |
| 2 0 0 2 1 0 | 2 – – 3 1 – | C# E A E G B | easy | |
| x 5 2 5 5 2 | – 2 1 3 4 1 | x A B G B C# | medium · barre on fret 2 | |
| x 7 4 5 3 x | – 4 2 3 1 – | x B C# G A x | hard | |
| x 5 4 5 5 x | – 2 1 3 4 – | x A C# G B x | medium | |
| x 7 0 5 7 5 | – 2 – 1 3 1 | x B A G C# E | medium · barre on fret 5 | |
| 10 7 7 9 7 8 | 4 1 1 3 1 2 | A B E B C# G | medium · barre on fret 7 | |
| x 9 0 9 x 8 | – 2 – 3 – 1 | x C# A B x G | easy |
The A9 chord (Dominant 9) is built from the notes A, C#, E, G, B. Below are playable fingerings for 6-String Guitar – B Standard 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.