A°7 chord on 6-String Guitar – Open Dm
in Open Dm (D-A-D-F-A-D) tuning · Also known as Open D minor, Bentonia
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 1 1 3 1 | – – 1 1 2 1 | x A D# F# C D# | medium · barre on fret 1 | |
| 7 3 4 x 6 x | 4 1 2 – 3 – | A C F# x D# x | hard | |
| 7 0 4 7 6 4 | 3 – 1 4 2 1 | A A F# C D# F# | medium · barre on fret 4 | |
| 7 6 x 7 9 x | 2 1 – 3 4 – | A D# x C F# x | hard | |
| 7 9 7 10 0 10 | 1 2 1 3 – 4 | A F# A D# A C | medium · barre on fret 7 | |
| x 0 10 10 9 10 | – – 2 3 1 4 | x A C D# F# C | medium | |
| x 0 4 1 3 1 | – – 3 1 2 1 | x A F# F# C D# | medium · barre on fret 1 | |
| 7 6 4 x 3 x | 4 3 2 – 1 – | A D# F# x C x | hard | |
| x 0 4 7 6 4 | – – 1 3 2 1 | x A F# C D# F# | medium · barre on fret 4 | |
| 7 9 x 7 6 x | 2 4 – 3 1 – | A F# x C D# x | hard | |
| 10 0 7 10 9 7 | 3 – 1 4 2 1 | C A A D# F# A | medium · barre on fret 7 | |
| 10 0 10 10 9 x | 2 – 3 4 1 – | C A C D# F# x | medium | |
| x 0 1 1 3 x | – – 1 2 3 – | x A D# F# C x | medium | |
| x 3 4 4 6 x | – 1 2 3 4 – | x C F# A D# x | medium | |
| x 0 4 7 6 7 | – – 1 3 2 4 | x A F# C D# A | medium | |
| 7 6 10 x 9 x | 2 1 4 – 3 – | A D# C x F# 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 Dm 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.