Home > Chord Database > guitar > A > major third > normal 5th > minor 7th > not inverted > A9

A9 Guitar Chord

A9 Guitar Chord and alternate tunings. 7 chord voicings, charts and sounds. Chord notes and structure: A Db E G B (R 3 5 m7 9).

A9 Chord

Full name: A ninth
AKA: A7(add9) A7/9
Guitar sound:

On this page:
Charts Inversions Left handed charts Structure Chord on other instruments Related scales Chord staff Summary table References Adjust notes

A9 Guitar Chord Charts

Simplified notation: x 0 2 4 2 3 Difficulty level: Advanced
A9 for guitar on frets x, 0, 2, 4, 2, 3

Simplified notation: 5 4 5 4 5 x Difficulty level: Advanced
A9 for guitar on frets 5, 4, 5, 4, 5, x

Simplified notation: x 12 11 12 12 12 Difficulty level: Advanced
A9 for guitar on frets x, 12, 11, 12, 12, 12

Simplified notation: 5 7 5 6 5 7 Difficulty level: Professional
A9 for guitar on frets 5, 7, 5, 6, 5, 7

Simplified notation: 5 4 5 4 x 5
A9 for guitar on frets 5, 4, 5, 4, x, 5

Simplified notation: x 0 2 0 2 0
A9 for guitar on frets x, 0, 2, 0, 2, 0

Simplified notation: 5 2 2 2 2 3
A9 for guitar on frets 5, 2, 2, 2, 2, 3

A9 Inversions on guitar

$A9\Db guitar chord$

$A9\E guitar chord$

$A9\G guitar chord$

$A9\B guitar chord$

A9 chord charts for left handed guitar

A9 Chord Structure

Notes: A Db E G B
Interval structure: R 3 5 m7 9

Chord construction:
R = A
A + major interval = Db (scale degree = 3rd)
Db + minor interval = E (scale degree = 5th)
E + minor interval = G (scale degree = minor 7th)
G + major interval = B (scale degree = 9th)

A9 on other instruments

A9 piano

A9 guitar

A9 ukulele
A9 ukulele chord

A9 mandolin
A9 mandolin chord

A9 banjo

Change tuning

Scales Related to A9

Scales that include all of the notes of A9.
D major D melodic minor E melodic minor D ionian B natural minor E dorian F#/Gb phrygian G lydian A mixolydian B aeolian C#/Db locrian F leading whole tone G overtone A overtone C#/Db altered D#/Eb altered D#/Eb enigmatic G#/Ab dorian b2 A#/Bb dorian b2 F augmented lydian

A9 chord staff

A9 summary table

Guitar chord name	A9 (A ninth)
Guitar sound
Notes and structure	A Db E G B (R 3 5 m7 9)
Alternate tunings
Chord Categories	is 7 (dom7) with added 9th 9th chord
Other Notations	A7(add9) A7/9
Chord Construction	R = A A + major interval = Db (scale degree = 3rd) Db + minor interval = E (scale degree = 5th) E + minor interval = G (scale degree = minor 7th) G + major interval = B (scale degree = 9th)
A9 on other instruments	A9 piano A9 guitar A9 ukulele A9 mandolin A9 banjo

Tweak notes of A9

References related to this chord

is 7 (dom7) with added 9th 9th chord

Ninth Chords on Wikipedia

Major Seventh Chords on Wikipedia