Chord · 7ths

F♯7♭5 — F♯ Dominant 7th ♭5

F♯7♭5 is the F♯ dominant 7th ♭5 chord. It is built on the root F♯ with major 3rd (A♯), diminished 5th (C) and minor 7th (E) above it — the formula 1 3 ♭5 ♭7, sounding the notes F♯ A♯ C E. On the piano it sits at F# (octave 4) and above in the library's voicing; the same 4 notes in any octave are still F♯7♭5.

Root
F♯
Quality
Dominant 7th ♭5
Formula
1 3 ♭5 ♭7
Notes
F♯ A♯ C E

On the keyboard

F♯7♭5 on the piano keyboard: F♯ A♯ C EF♯A♯CE

The notes of F♯7♭5

DegreeNoteInterval from the rootPitch
1F♯rootF♯4
3A♯major 3rdA♯4
♭5Cdiminished 5thC5
♭7Eminor 7thE5

Other 7ths on F♯

Dominant 7th ♭5 chords on every root

Part of the chord reference. See also the scales and the keys.