F#7#9: guitar chord voicings, inversions, scales and arpeggios
F#7#9 (7#9) is an interactive GuitarArcanum page with chord formula, intervals, voicings, inversions, triads, pentatonic patterns, scales and arpeggios on the fretboard.
Chord formula
Interval formula: 1 3 5 b7 #9. A dominant 7th with a sharp 9th — the famous 'Hendrix chord.' Tough and brash, both major and minor at once to the ear.
Chord tones
The major 3rd clashes with the #9, which sounds like a minor third an octave up. That clash is the signature edge. The 3rd–b7 tritone keeps the dominant pull.
Sound character
Tough and brash, rock and jazz at once — the sound of 'Purple Haze' and funk riffs.
Harmonic function
An altered dominant. It can resolve, or sit as a static chord in funk and rock.
Typical progressions
- C#7#9 → C
- Riff on a single E7#9
- F#7#9 – B7#9
Guitar voicing advice
The classic shape has the root on the 5th string: x7678x (E-shape). Keep the #9 on top and drop the 5th.
Compatible scales for F#7#9
Other chord qualities on the F# root
Compare this chord with other qualities sharing the same root.
- F# (Major)
- F#m (Minor)
- F#dim (Diminished)
- F#aug (Augmented)
- F#sus4 (Sus4)
- F#6 (Maj6)
- F#maj7 (Major 7)
- F#maj7b5 (Maj7b5)
- F#maj7sus4 (Maj7sus4)
- F#maj7#11 (Maj7#11)
- F#m6 (Min6)
- F#m7 (Minor 7)
- F#mmaj7 (MinMaj7)
- F#7 (Dominant 7)
- F#7b5 (Dom7b5)
- F#7sus4 (Dom7sus4)
- F#7#11 (Dom7#11)
- F#m7b5 (m7b5)
- F#dim7 (Dim7)
- F#dimmaj7 (DimMaj7)
- F#dimmaj7b13 (DimMaj7b13)
- F#augmaj7 (AugMaj7)
- F#aug7 (Aug7)
- F#9 (9)
- F#maj9 (maj9)
- F#m9 (m9)
- F#add9 (add9)
- F#7b9 (7b9)
- F#6/9 (6/9)
- F#m6/9 (m6/9)
- F#mmaj9 (m(maj9))
- F#9sus4 (9sus4)
- F#9b5 (9b5)
- F#9#5 (9#5)
- F#madd9 (madd9)
- F#7b9#9 (7b9#9)
- F#sus2 (sus2)
- F#11 (11)
- F#maj11 (maj11)
- F#m11 (m11)
- F#13 (13)
- F#maj13 (maj13)
- F#m13 (m13)
- F#7b13 (7b13)
- F#13#11 (13#11)
- F#7alt (7alt)