A° chord on 12-String Guitar – Open D
in Open D (D-D-A-A-D-D-F#-F#-A-A-D-D) 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 0 0 1 1 3 3 3 3 1 1 | – – – – 1 1 2 2 3 3 1 1 | x x A A D# D# A A C C D# D# | medium · barre on fret 1 | |
| 7 7 3 3 7 7 3 3 6 6 x x | 3 3 1 1 4 4 1 1 2 2 – – | A A C C A A A A D# D# x x | hard · barre on fret 3 | |
| 7 7 6 6 7 7 6 6 6 6 7 7 | 2 2 1 1 3 3 1 1 1 1 4 4 | A A D# D# A A C C D# D# A A | medium · barre on fret 6 | |
| 7 7 0 0 7 7 9 9 0 0 10 10 | 1 1 – – 2 2 3 3 – – 4 4 | A A A A A A D# D# A A C C | medium | |
| 10 10 0 0 10 10 9 9 0 0 10 10 | 2 2 – – 3 3 1 1 – – 4 4 | C C A A C C D# D# A A C C | medium | |
| x x 0 0 1 1 3 3 3 3 x x | – – – – 1 1 2 2 3 3 – – | x x A A D# D# A A C C x x | medium | |
| 7 7 3 3 x x 3 3 6 6 x x | 4 4 1 1 – – 2 2 3 3 – – | A A C C x x A A D# D# x x | hard | |
| 7 7 6 6 7 7 6 6 0 0 7 7 | 2 2 1 1 3 3 1 1 – – 4 4 | A A D# D# A A C C A A A A | medium · barre on fret 6 | |
| 7 7 0 0 10 10 9 9 0 0 7 7 | 1 1 – – 4 4 3 3 – – 2 2 | A A A A C C D# D# A A A A | medium | |
| x x 0 0 10 10 9 9 0 0 10 10 | – – – – 2 2 1 1 – – 3 3 | x x A A C C D# D# A A C C | easy | |
| x x x x x x 3 3 3 3 1 1 | – – – – – – 2 2 3 3 1 1 | x x x x x x A A C C D# D# | medium | |
| 7 7 3 3 x x 6 6 6 6 x x | 4 4 1 1 – – 2 2 3 3 – – | A A C C x x C C D# D# x x | hard | |
| 7 7 6 6 7 7 6 6 6 6 x x | 2 2 1 1 3 3 1 1 1 1 – – | A A D# D# A A C C D# D# x x | easy · barre on fret 6 | |
| 7 7 0 0 10 10 9 9 0 0 10 10 | 1 1 – – 3 3 2 2 – – 4 4 | A A A A C C D# D# A A C C | medium | |
| 10 10 0 0 10 10 9 9 0 0 x x | 2 2 – – 3 3 1 1 – – – – | C C A A C C D# D# A A x x | easy | |
| x x 0 0 x x 3 3 3 3 1 1 | – – – – – – 2 2 3 3 1 1 | x x A A x x A A C C D# D# | hard |
The A° chord (Diminished) is built from the notes A, C, D#. Below are playable fingerings for 12-String Guitar – Open D 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.