A° chord on 8-String Guitar – Half Step Down
in Half Step Down (F-A#-D#-G#-C#-F#-A#-D#) tuning
A°
Diminished
Notes:A · C · D#
Piano Left hand Right hand
Fingerings (16)
A° shapes as text
| Shape | Frets | Fingers | Notes | Difficulty |
|---|---|---|---|---|
| 4 x 0 4 2 3 2 0 | 3 – – 4 1 2 1 – | A x D# C D# A C D# | hard · barre on fret 2 | |
| x x 6 4 2 3 2 x | – – 4 3 1 2 1 – | x x A C D# A C x | hard · barre on fret 2 | |
| x x 6 4 x 3 5 x | – – 4 2 – 1 3 – | x x A C x A D# x | hard | |
| 4 5 0 4 x x x x | 1 3 – 2 – – – – | A D# D# C x x x x | easy | |
| x x x x 8 6 5 6 | – – – – 4 2 1 3 | x x x x A C D# A | medium | |
| x x 6 7 8 6 x x | – – 1 2 3 1 – – | x x A D# A C x x | medium · barre on fret 6 | |
| x 11 9 7 8 x x x | – 4 3 1 2 – – – | x A C D# A x x x | hard | |
| x x x x 8 9 11 9 | – – – – 1 2 4 3 | x x x x A D# A C | medium | |
| x 11 9 x 11 9 x x | – 3 1 – 4 2 – – | x A C x C D# x x | hard | |
| 10 11 0 x 11 x x x | 1 2 – – 3 – – – | D# A D# x C x x x | easy | |
| x 11 12 x 11 x x x | – 1 3 – 2 – – – | x A D# x C x x x | easy | |
| x x x 1 2 3 2 0 | – – – 1 2 4 3 – | x x x A D# A C D# | medium | |
| x x 6 4 2 6 2 x | – – 3 2 1 4 1 – | x x A C D# C C x | hard · barre on fret 2 | |
| 4 5 x 4 x 3 x x | 2 4 – 3 – 1 – – | A D# x C x A x x | hard | |
| 4 5 6 4 x x x x | 1 2 3 1 – – – – | A D# A C x x x x | medium · barre on fret 4 | |
| x x x x 8 6 5 0 | – – – – 3 2 1 – | x x x x A C D# D# | medium |
The A° chord (Diminished) is built from the notes A, C, D#. Below are playable fingerings for 8-String Guitar – Half Step Down 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.