C# 7 b9 #11 chord — Drop D
4 voicings · Drop D
Tuning:DADGBE
Open position
1 / 4
Chord tones
C#
R
F
+4
G#
+7
B
+10
D
+1
G
+6
C# 7 b9 #11 in other tunings
7 b9 #11 in other keys — Drop D
C# 7 b9 #11 in Drop D — video lessons
About C# 7 b9 #11 in Drop D
The C# 7 b9 #11 chord contains the notes C#, F, G#, B, D, G. In Drop D tuning (strings: D–A–D–G–B–E), the chord shapes differ from standard tuning because the open string pitches change. Drop D lowers the low E string to D, making power chords and D-root chords easier to play. Diagrams above show all playable shapes in this tuning.