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