A9 chord on 6-String Guitar – Open F

in Open F (C-F-C-F-A-F) tuning

Root

Type

Tuning

Dominant 9

Notes:A · C# · E · G · B

medium

Piano Left hand Right hand

Fingerings (16)

A9 shapes as text

Frets	Fingers	Notes	Difficulty
x 4 1 2 2 x	– 4 1 2 3 –	x A C# G B x	medium
x 4 x 2 4 6	– 2 – 1 3 4	x A x G C# B	hard
x 4 7 4 4 6	– 1 3 1 1 2	x A G A C# B	medium · barre on fret 4
9 6 7 6 0 8	4 1 2 1 – 3	A B G B A C#	medium · barre on fret 6
7 8 11 11 0 x	1 2 3 4 – –	G C# B E A x	hard
9 8 11 8 10 8	2 1 4 1 3 1	A C# B C# G C#	medium · barre on fret 8
x 4 1 x 2 2	– 4 1 – 2 3	x A C# x B G	hard
x 4 x 6 4 2	– 2 – 4 3 1	x A x B C# G	hard
x 4 7 6 4 4	– 1 3 2 1 1	x A G B C# A	medium · barre on fret 4
9 6 7 8 0 x	4 1 2 3 – –	A B G C# A x	medium
7 11 11 8 0 x	1 3 4 2 – –	G E B C# A x	hard
9 8 11 8 10 x	2 1 4 1 3 –	A C# B C# G x	medium · barre on fret 8
1 2 1 4 2 x	1 2 1 4 3 –	C# G C# A B x	medium · barre on fret 1
x 2 x 4 4 6	– 1 – 2 3 4	x G x A C# B	hard
x 4 7 6 4 6	– 1 4 2 1 3	x A G B C# B	medium · barre on fret 4
9 8 7 6 0 x	4 3 2 1 – –	A C# G B A x	medium

Max fret: 12

Fingerings shown: 16

The A9 chord (Dominant 9) is built from the notes A, C#, E, G, B. Below are playable fingerings for 6-String Guitar – Open F generated for your selected tuning, ordered from open-position shapes up the neck. Tap a diagram to hear it, or switch to the piano view to see the same harmony on keys.

How the A9 chord is built

Formula: 1 · 3 · 5 · ♭7 · 9

Degree	Semitones	Note
1	0	A
3	4	C#
5	7	E
♭7	10	G
9	14	B

More A chords

A Am A7 A°A+Amaj7 Am7 A7♯5 A7♭5 A6 Am6 Am7♭5 A°7 Asus2 Asus4 Aadd9 Amaj9 Am9 A5

Other roots

C9 C#9 D9 D#9 E9 F9 F#9 G9 G#9 A#9 B9

See A9 in another tuning

Standard E E-A-D-G-B-E Half Step Down (Eb) D#-G#-C#-F#-A#-D#Drop D D-A-D-G-B-E Open D D-A-D-F#-A-D Open F C-F-C-F-A-F Open G D-G-D-G-B-D DADGAD (D Modal) D-A-D-G-A-D

What notes make up the A9 chord?

A9 is a Dominant 9 chord built from the notes A, C#, E, G, B.

How do I read the diagram?

Strings run left to right from the lowest to the first string; the numbers show which finger presses each fret. An ○ marks an open string, an ✕ marks a muted one.