A° chord on 6-String Guitar – Open A
in Open A (E-A-C#-E-A-E) tuning · Also known as Spanish A
A°
Diminished
Notes:A · C · D#
Piano Left hand Right hand
Fingerings (16)
A° shapes as text
| Shape | Frets | Fingers | Notes | Difficulty |
|---|---|---|---|---|
| x 0 2 5 3 5 | – – 1 3 2 4 | x A D# A C A | medium | |
| 5 3 2 5 x x | 3 2 1 4 – – | A C D# A x x | medium | |
| 5 3 x 5 6 x | 2 1 – 3 4 – | A C x A D# x | hard | |
| 5 6 8 5 0 8 | 1 2 3 1 – 4 | A D# A A A C | medium · barre on fret 5 | |
| x 0 8 8 6 8 | – – 2 3 1 4 | x A A C D# C | medium | |
| 11 0 8 8 12 8 | 2 – 1 1 3 1 | D# A A C A C | hard · barre on fret 8 | |
| x 12 11 11 12 11 | – 2 1 1 3 1 | x A C D# A D# | easy · barre on fret 11 | |
| 5 0 2 5 3 x | 3 – 1 4 2 – | A A D# A C x | medium | |
| 5 3 2 x x x | 3 2 1 – – – | A C D# x x x | medium | |
| 5 6 x 5 3 x | 2 4 – 3 1 – | A D# x A C x | hard | |
| 8 0 8 5 6 5 | 3 – 4 1 2 1 | C A A A D# A | medium · barre on fret 5 | |
| 8 0 8 8 6 x | 2 – 3 4 1 – | C A A C D# x | medium | |
| 11 0 8 11 12 8 | 2 – 1 3 4 1 | D# A A D# A C | hard · barre on fret 8 | |
| 11 0 11 11 0 11 | 1 – 2 3 – 4 | D# A C D# A D# | medium | |
| 5 3 2 5 0 x | 3 2 1 4 – – | A C D# A A x | medium | |
| 5 x 2 5 3 x | 3 – 1 4 2 – | A x D# A C x | hard |
The A° chord (Diminished) is built from the notes A, C, 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 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.