C#m7♭5 chord on 4-String Bass – Low B
in Low B (B-E-A-D) tuning
C#m7♭5
Half-Diminished
Notes:C# · E · G · B
Piano Left hand Right hand
Fingerings (12)
C#m7♭5 shapes as text
| Shape | Frets | Fingers | Notes | Difficulty |
|---|---|---|---|---|
| 2 0 2 5 | 1 – 2 3 | C# E B G | medium | |
| 2 3 2 2 | 1 2 1 1 | C# G B E | easy · barre on fret 2 | |
| 0 0 4 5 | – – 1 2 | B E C# G | easy | |
| 0 9 7 5 | – 3 2 1 | B C# E G | hard | |
| 8 9 7 9 | 2 3 1 4 | G C# E B | medium | |
| 12 12 10 11 | 3 4 1 2 | B E G C# | medium | |
| 0 3 4 2 | – 2 3 1 | B G C# E | medium | |
| 5 7 4 5 | 2 4 1 3 | E B C# G | medium | |
| 8 7 7 11 | 3 1 2 4 | G B E C# | hard | |
| 0 0 10 11 | – – 1 2 | B E G C# | easy | |
| 0 12 10 11 | – 3 1 2 | B E G C# | medium | |
| 12 0 10 11 | 3 – 1 2 | B E G C# | medium |
The C#m7♭5 chord (Half-Diminished) is built from the notes C#, E, G, B. 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 C#m7♭5 chord is built
Formula: 1 · ♭3 · ♭5 · ♭7
| Degree | Semitones | Note |
|---|---|---|
| 1 | 0 | C# |
| ♭3 | 3 | E |
| ♭5 | 6 | G |
| ♭7 | 10 | B |
More C# chords
Other roots
See C#m7♭5 in another tuning
What notes make up the C#m7♭5 chord?
C#m7♭5 is a Half-Diminished chord built from the notes C#, E, G, B.
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.