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