F# Diminished 7 Guitar Chord
Voicing Positions (6)
Interval Colors
In Chord8, every interval has a unique color. The colors follow the function of each note relative to the root — so they change when you switch chords.
F# Diminished 7 Chord
The F# Diminished 7 chord is built from the intervals: R, b3, b5, and bb7. It contains the notes F#, A, C, and Eb. The added seventh gives this chord a richer, more complex sound.
What F# Diminished 7 Is
The F# Diminished 7 is a fully diminished seventh chord — three stacked minor thirds with the interval membership [0,3,6,9]. Its symmetrical structure makes it intensely unstable and useful for chromatic resolutions.
How F# Diminished 7 Sounds
The F# Diminished 7 has the tense, root-ambiguous character of a fully diminished seventh chord. Its three stacked minor thirds divide the octave symmetrically, so any chord tone can sound like a possible root and each note can resolve by a small step into a more stable harmony.
How To Use F# Diminished 7 In A Progression
Fully diminished seventh chords most often connect stable harmonies through chromatic motion. Their symmetrical interval membership lets the same four notes be reinterpreted from four roots, and their chord tones typically resolve by half-step. They can also substitute for rootless dominant flat-ninth chords because the upper four notes are identical.
Playing F# Diminished 7 On Guitar
On guitar, the most common voicings of F# Diminished 7 use the open position when possible (which is why guitarists tend to favour keys like E, A, D, G, and C) and movable barre or half-barre shapes everywhere else. The voicing diagrams above show several practical positions across the neck — the open or low-fret voicings will sound brightest, while the higher voicings will have a thinner, more focused tone. Always experiment with which fingering serves the line you are playing.
Related Chords
Same quality (Diminished 7)
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