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