A°7 chord on 6-String Guitar – Drop G
in Drop G (G-D-G-C-E-A) tuning
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 |
|---|---|---|---|---|
| 2 1 2 0 2 0 | 2 1 3 – 4 – | A D# A C F# A | medium | |
| 2 4 2 3 2 3 | 1 4 1 2 1 3 | A F# A D# F# C | medium · barre on fret 2 | |
| x 4 5 3 5 3 | – 2 3 1 4 1 | x F# C D# A C | medium · barre on fret 3 | |
| x 4 5 0 5 6 | – 1 2 – 3 4 | x F# C C A D# | medium | |
| x 7 5 6 5 6 | – 4 1 2 1 3 | x A C F# A D# | medium · barre on fret 5 | |
| x 7 8 6 8 6 | – 2 3 1 4 1 | x A D# F# C D# | medium · barre on fret 6 | |
| x 7 8 0 8 9 | – 1 2 – 3 4 | x A D# C C F# | medium | |
| 8 10 8 9 8 9 | 1 4 1 2 1 3 | D# C D# A C F# | medium · barre on fret 8 | |
| x 10 11 9 11 9 | – 2 3 1 4 1 | x C F# A D# F# | medium · barre on fret 9 | |
| 11 10 11 0 11 0 | 2 1 3 – 4 – | F# C F# C D# A | medium | |
| x x 11 12 11 12 | – – 1 2 1 3 | x x F# C D# A | easy · barre on fret 11 | |
| 2 1 2 0 2 x | 2 1 3 – 4 – | A D# A C F# x | medium | |
| x x 2 3 2 3 | – – 1 2 1 3 | x x A D# F# C | easy · barre on fret 2 | |
| x 4 5 3 5 x | – 2 3 1 4 – | x F# C D# A x | medium | |
| 5 4 8 0 5 0 | 2 1 4 – 3 – | C F# D# C A A | hard | |
| x 7 5 6 x 6 | – 4 1 2 – 3 | x A C F# x D# | hard |
The A°7 chord (Diminished 7) is built from the notes A, C, D#, F#. Below are playable fingerings for 6-String Guitar – Drop 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.