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