A#m7♭5 chord on 4-String Bass – Low C
in Low C (C-A-D-G) tuning
A#m7♭5
Half-Diminished
Notes:A# · C# · E · G#
Piano Left hand Right hand
Fingerings (5)
A#m7♭5 shapes as text
| Shape | Frets | Fingers | Notes | Difficulty |
|---|---|---|---|---|
| 1 1 2 1 | 1 1 2 1 | C# A# E G# | easy · barre on fret 1 | |
| 4 4 6 3 | 2 3 4 1 | E C# G# A# | medium | |
| 10 7 6 6 | 4 3 1 2 | A# E G# C# | hard | |
| 10 11 11 9 | 2 3 4 1 | A# G# C# E | medium | |
| 8 7 8 6 | 3 2 4 1 | G# E A# C# | medium |
The A#m7♭5 chord (Half-Diminished) is built from the notes A#, C#, E, G#. Below are playable fingerings for 4-String Bass – Low C 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.