A#m7♭5 chord on 6-String Guitar – Open A
in Open A (E-A-C#-E-A-E) tuning · Also known as Spanish A
A#m7♭5
Half-Diminished
Notes:A# · C# · E · G#
Piano Left hand Right hand
Fingerings (16)
A#m7♭5 shapes as text
| Shape | Frets | Fingers | Notes | Difficulty |
|---|---|---|---|---|
| x 1 0 0 1 4 | – 1 – – 2 3 | x A# C# E A# G# | medium | |
| 6 4 3 4 x x | 4 2 1 3 – – | A# C# E G# x x | medium | |
| 6 4 0 0 4 4 | 4 1 – – 2 3 | A# C# C# E C# G# | medium | |
| 6 7 7 9 x x | 1 2 3 4 – – | A# E G# C# x x | medium | |
| 0 7 9 0 11 9 | – 1 2 – 4 3 | E E A# E G# C# | hard | |
| x x 9 12 11 9 | – – 1 3 2 1 | x x A# E G# C# | medium · barre on fret 9 | |
| x 1 0 0 4 4 | – 1 – – 2 3 | x A# C# E C# G# | medium | |
| 6 x 3 4 4 x | 4 – 1 2 3 – | A# x E G# C# x | hard | |
| 6 4 0 4 4 0 | 4 1 – 2 3 – | A# C# C# G# C# E | medium | |
| 6 7 7 6 x 9 | 1 2 3 1 – 4 | A# E G# A# x C# | hard · barre on fret 6 | |
| 0 7 9 9 11 0 | – 1 2 3 4 – | E E A# C# G# E | hard | |
| x x 9 9 11 0 | – – 1 2 3 – | x x A# C# G# E | medium | |
| x 1 0 4 1 0 | – 1 – 3 2 – | x A# C# G# A# E | medium | |
| 6 x 3 x 4 4 | 4 – 1 – 2 3 | A# x E x C# G# | hard | |
| 6 4 7 4 4 0 | 2 1 3 1 1 – | A# C# G# G# C# E | medium · barre on fret 4 | |
| 6 x 7 0 7 9 | 1 – 2 – 3 4 | A# x G# E E C# | hard |
The A#m7♭5 chord (Half-Diminished) is built from the notes A#, C#, E, G#. Below are playable fingerings for 6-String Guitar – Open A 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#m7♭5 chord is built
Formula: 1 · ♭3 · ♭5 · ♭7
| Degree | Semitones | Note |
|---|---|---|
| 1 | 0 | A# |
| ♭3 | 3 | C# |
| ♭5 | 6 | E |
| ♭7 | 10 | G# |
More A# chords
Other roots
See A#m7♭5 in another tuning
What notes make up the A#m7♭5 chord?
A#m7♭5 is a Half-Diminished chord built from the notes A#, C#, E, G#.
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.