A° chord on 12-String Guitar – Open C
in Open C (C-C-G-G-C-C-G-G-C-C-E-E) tuning
A°
Diminished
Notes:A · C · D#
Piano Left hand Right hand
Fingerings (16)
A° shapes as text
| Shape | Frets | Fingers | Notes | Difficulty |
|---|---|---|---|---|
| x x 2 2 3 3 2 2 0 0 x x | – – 1 1 2 2 1 1 – – – – | x x A A D# D# A A C C x x | easy · barre on fret 2 | |
| x x 2 2 3 3 5 5 3 3 x x | – – 1 1 2 2 4 4 3 3 – – | x x A A D# D# C C D# D# x x | medium | |
| 3 3 5 5 3 3 5 5 3 3 5 5 | 1 1 2 2 1 1 3 3 1 1 4 4 | D# D# C C D# D# C C D# D# A A | medium · barre on fret 3 | |
| 9 9 8 8 0 0 5 5 9 9 5 5 | 3 3 2 2 – – 1 1 4 4 1 1 | A A D# D# C C C C A A A A | hard · barre on fret 5 | |
| 9 9 8 8 9 9 8 8 9 9 8 8 | 2 2 1 1 3 3 1 1 4 4 1 1 | A A D# D# A A D# D# A A C C | medium · barre on fret 8 | |
| x x x x 9 9 x x 0 0 11 11 | – – – – 1 1 – – – – 2 2 | x x x x A A x x C C D# D# | hard | |
| x x 2 2 0 0 2 2 3 3 x x | – – 1 1 – – 2 2 3 3 – – | x x A A C C A A D# D# x x | easy | |
| x x 2 2 3 3 5 5 x x x x | – – 1 1 2 2 3 3 – – – – | x x A A D# D# C C x x x x | medium | |
| x x 5 5 3 3 5 5 3 3 5 5 | – – 2 2 1 1 3 3 1 1 4 4 | x x C C D# D# C C D# D# A A | medium · barre on fret 3 | |
| 9 9 5 5 0 0 8 8 0 0 5 5 | 4 4 1 1 – – 3 3 – – 2 2 | A A C C C C D# D# C C A A | hard | |
| 9 9 8 8 9 9 8 8 0 0 x x | 2 2 1 1 3 3 1 1 – – – – | A A D# D# A A D# D# C C x x | easy · barre on fret 8 | |
| x x x x 9 9 x x 12 12 11 11 | – – – – 1 1 – – 3 3 2 2 | x x x x A A x x C C D# D# | hard | |
| x x 2 2 3 3 2 2 0 0 5 5 | – – 1 1 2 2 1 1 – – 3 3 | x x A A D# D# A A C C A A | medium · barre on fret 2 | |
| x x 2 2 x x 5 5 3 3 5 5 | – – 1 1 – – 3 3 2 2 4 4 | x x A A x x C C D# D# A A | hard | |
| x x x x 3 3 5 5 3 3 5 5 | – – – – 1 1 2 2 1 1 3 3 | x x x x D# D# C C D# D# A A | medium · barre on fret 3 | |
| 9 9 5 5 0 0 8 8 0 0 8 8 | 4 4 1 1 – – 2 2 – – 3 3 | A A C C C C D# D# C C C C | hard |
The A° chord (Diminished) is built from the notes A, C, D#. Below are playable fingerings for 12-String Guitar – Open 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 A° chord is built
Formula: 1 · ♭3 · ♭5
| Degree | Semitones | Note |
|---|---|---|
| 1 | 0 | A |
| ♭3 | 3 | C |
| ♭5 | 6 | D# |
More A chords
Other roots
See A° in another tuning
What notes make up the A° chord?
A° is a Diminished chord built from the notes A, C, 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.