A7(b5,#9) guitar chord (A Dominant 7th, Flat 5th, Sharp 9th)

Symbols: 7(b5,#9), 7(-5,+9)

Steps: 1-3-b5-b7-#9

Notes: A-C#-Eb-G-C

The A 7(b5,#9) chord introduces both a flat fifth and a sharp ninth to the dominant seventh, creating an intensely expressive and edgy sound. With notes A, C#, Eb, G and C, it's used to evoke a sense of mystery and unease in jazz or fusion. Below, you'll find how to play the "A 7(b5,#9)" chord, finger placements and an audio sample.

Variation 1
A7(b5,#9) guitar chord - variation 1
  • Barre the 11th fret with your index finger, extending over the 1st to the 4th strings
  • Press the B (2nd) string on the 13th fret with your pinky
  • Place your ring finger on the G (3rd) string at the 12th fret and press down
  • Use your middle finger to press the A (5th) string down on the 12th fret
  • Now, strum all the strings starting from the 5th string

Other A Chords

[ Table ]

Other Dominant 7th, Flat 5th, Sharp 9th Chords