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