F# Dim 7 chord — Open G
3 voicings · Open G
Tuning:DGDGBD
Fret 4 position
1 / 3
Chord tones
F#
R
A
+3
C
+6
D#
+9
F# Dim 7 in other tunings
Dim 7 in other keys — Open G
F# Dim 7 in Open G — video lessons
About F# Dim 7 in Open G
The F# Dim 7 chord contains the notes F#, A, C, D#. In Open G tuning (strings: D–G–D–G–B–D), the chord shapes differ from standard tuning because the open string pitches change. Open G tuning lets you play a G major chord across all open strings — widely used in blues and slide guitar. Diagrams above show all playable shapes in this tuning.