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