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