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