Aaug9 Guitar Chord

The A augmented 9 is a dominant chord. Explore fingerings, progressions, and theory analysis below.

Finger Positions

Dominant
Aaug9 diagram
Root Note A
Name A augmented 9
Intervals 1P-3M-5A-9M
Relative Minor F#m
Notes A, C#, F, B
Aliases

Common Progressions Popular patterns using A

I-V-vi-IV

A → E → F#m → D

vi-IV-I-V

F#m → D → A → E

Diatonic Family (Triads)

A Bm C#m D E F#m G#dim

Diatonic Family (7ths)

Amaj7 Bm7 C#m7 Dmaj7 E7 F#m7 G#m7b5

Scale Compatibility

View All Scales

* 0 scales found containing the notes A, C#, F, B.

Audio & MIDI Analysis

MIDI Numbers 69, 61, 65, 71
Frequencies (Hz)

440, 277.1826309768721, 349.2282314330039, 493.8833012561241