F♯7♭9 / G♭7♭9

5-note dominant 7th flat 9 on F♯ / G♭F♯, G, A♯, C♯, E.

Press to hear the chord strummed low to high.

A dominant seventh with a flat ninth on top — dark and tense, a signature sound over a minor resolution.

The notes

Pitches taken from the first fingering below — click any note to open its frequency page.

Interval formula

DegreeNoteWhat it is
1F♯root
♭9Gflat ninth
3A♯major third
5C♯perfect fifth
♭7Eflat seventh (dominant)

The formula reads in semitones above the root (F♯): 1, ♭9, 3, 5, ♭7. A voicing may leave a tone out — often the fifth — but never adds one from outside this set.

Guitar fingerings · 4

2134
open position
3fr2131
from fret 3
8fr21314
from fret 8
12fr3241
from fret 12

Ukulele fingerings · 4

12
open position
1324
open position
6fr1324
from fret 6
9fr1324
from fret 9

Read a diagram top-down: the thick bar is the nut, dots are where to press (the number is which finger), means play the open string, means don't play it. A bar across strings is a barre.

Other F♯ / G♭ chords

7♭9 chords on every root