A°7 chord on 6-String Guitar – Open G
in Open G (D-G-D-G-B-D) tuning · Also known as Spanish, Taro Patch, Slack Key G
A°7
Diminished 7
Notes:A · C · D# · F#
Piano Left hand Right hand
Fingerings (16)
A°7 shapes as text
| Shape | Frets | Fingers | Notes | Difficulty |
|---|---|---|---|---|
| x 2 1 2 1 4 | – 2 1 3 1 4 | x A D# A C F# | medium · barre on fret 1 | |
| x 2 4 5 4 x | – 1 2 4 3 – | x A F# C D# x | medium | |
| 7 5 4 5 4 4 | 4 2 1 3 1 1 | A C F# C D# F# | medium · barre on fret 4 | |
| 7 5 x 8 7 x | 2 1 – 4 3 – | A C x D# F# x | hard | |
| 7 8 7 8 7 10 | 1 2 1 3 1 4 | A D# A D# F# C | medium · barre on fret 7 | |
| x 8 10 11 10 x | – 1 2 4 3 – | x D# C F# A x | medium | |
| x 2 1 5 1 4 | – 2 1 4 1 3 | x A D# C C F# | hard · barre on fret 1 | |
| x 2 x 5 4 4 | – 1 – 4 2 3 | x A x C D# F# | hard | |
| 7 5 4 5 4 x | 4 2 1 3 1 – | A C F# C D# x | medium · barre on fret 4 | |
| 7 8 x 5 7 x | 2 4 – 1 3 – | A D# x C F# x | hard | |
| 7 8 10 8 7 7 | 1 2 4 3 1 1 | A D# C D# F# A | medium · barre on fret 7 | |
| x 11 10 8 10 x | – 4 2 1 3 – | x F# C D# A x | medium | |
| x 2 1 x 1 4 | – 3 1 – 2 4 | x A D# x C F# | hard | |
| x 5 4 2 4 x | – 4 2 1 3 – | x C F# A D# x | medium | |
| 7 5 4 8 4 4 | 3 2 1 4 1 1 | A C F# D# D# F# | hard · barre on fret 4 | |
| x 5 7 8 7 x | – 1 2 4 3 – | x C A D# F# x | medium |
The A°7 chord (Diminished 7) is built from the notes A, C, D#, F#. Below are playable fingerings for 6-String Guitar – Open G 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°7 chord is built
Formula: 1 · ♭3 · ♭5 · 6
| Degree | Semitones | Note |
|---|---|---|
| 1 | 0 | A |
| ♭3 | 3 | C |
| ♭5 | 6 | D# |
| 6 | 9 | F# |
More A chords
Other roots
See A°7 in another tuning
What notes make up the A°7 chord?
A°7 is a Diminished 7 chord built from the notes A, C, D#, F#.
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.