A° chord on 4-String Bass – Low B
in Low B (B-E-A-D) tuning
A°
Diminished
Notes:A · C · D#
Piano Left hand Right hand
Fingerings (16)
A° shapes as text
| Shape | Frets | Fingers | Notes | Difficulty |
|---|---|---|---|---|
| x 5 3 1 | – 3 2 1 | x A C D# | hard | |
| 4 5 3 x | 2 3 1 – | D# A C x | medium | |
| 4 8 0 7 | 1 3 – 2 | D# C A A | hard | |
| 10 8 6 7 | 4 3 1 2 | A C D# A | hard | |
| 10 11 12 10 | 1 2 3 1 | A D# A C | medium · barre on fret 10 | |
| 1 x 0 1 | 1 – – 2 | C x A D# | easy | |
| 4 5 3 7 | 2 3 1 4 | D# A C A | hard | |
| 4 8 6 7 | 1 4 2 3 | D# C D# A | hard | |
| 10 8 6 10 | 3 2 1 4 | A C D# C | hard | |
| 10 11 0 10 | 1 3 – 2 | A D# A C | easy | |
| 1 5 3 1 | 1 3 2 1 | C A C D# | hard · barre on fret 1 | |
| 4 x 3 7 | 2 – 1 3 | D# x C A | hard | |
| 4 8 0 x | 1 2 – – | D# C A x | hard | |
| 10 8 6 x | 3 2 1 – | A C D# x | hard | |
| x 11 0 10 | – 2 – 1 | x D# A C | easy | |
| 1 5 0 1 | 1 3 – 2 | C A A D# | hard |
The A° chord (Diminished) is built from the notes A, C, D#. Below are playable fingerings for 4-String Bass – Low B 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° chord is built
Formula: 1 · ♭3 · ♭5
| Degree | Semitones | Note |
|---|---|---|
| 1 | 0 | A |
| ♭3 | 3 | C |
| ♭5 | 6 | D# |
More A chords
Other roots
See A° in another tuning
What notes make up the A° chord?
A° is a Diminished chord built from the notes A, C, D#.
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.