F♯dim7
Dim 7 · F♯ – A – C – D♯
- F♯R
- Am3
- C♭5
- D♯6
Guitar voicings
Piano
- Root
- Third / sus
- Fifth
- Sixth / seventh
- Extension
About the F♯dim7 chord
The F♯dim7 chord (Dim 7) is built from F♯ (the root), A (a minor third), C (a diminished fifth) and D♯ (a major sixth). Diminished seventh chords are symmetrical and restless, handy for dramatic passing motion.