A7(b5,b9) guitar chord (A Dominant 7th, Flat 5th, Flat 9th)

Symbols: 7(b5,b9), 7(-5,-9)

Steps: 1-3-b5-b7-b9

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

The A 7(b5,b9) chord combines a flat fifth and a flat ninth to the dominant seventh, resulting in a highly dissonant and dramatic sound. Its notes A, C#, Eb, G and Bb are often used in jazz to heighten emotional tension. Below, you'll find two variations how to play the "A 7(b5,b9)" chord, each featuring finger placements and an audio sample.

Variation 1
A7(b5,b9) guitar chord - variation 1
  • With your middle finger, press down on the B (2nd) string at the 4th fret
  • Press the G (3rd) string on the 3rd fret with your index finger
  • Press down on the D (4th) string at the 5th fret using your pinky
  • Position your ring finger on the low E (6th) string at the 5th fret and press down
  • Now, strum all the strings up to the 2nd string, mute the 5th string

Variation 2
A7(b5,b9) guitar chord - variation 2
  • Place a barre using your index finger on the 11th fret from the 1st to the 4th strings
  • Press down on the G (3rd) string at the 12th fret using your ring finger
  • Position your middle finger on the A (5th) string at the 12th fret and press down
  • Now, strum all the strings starting from the 5th string

Other A Chords

[ Table ]

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