B9 chord on 6-String Guitar – Open A
in Open A (E-A-C#-E-A-E) tuning · Also known as Spanish A
B9
Dominant 9
Notes:B · D# · F# · A · C#
Piano Left hand Right hand
Fingerings (16)
B9 shapes as text
| Shape | Frets | Fingers | Notes | Difficulty |
|---|---|---|---|---|
| x 2 0 2 6 5 | – 1 – 2 4 3 | x B C# F# D# A | hard | |
| x 2 2 2 4 5 | – 1 1 1 2 3 | x B D# F# C# A | medium · barre on fret 2 | |
| 7 4 0 5 6 x | 4 1 – 2 3 – | B C# C# A D# x | medium | |
| 7 6 0 5 6 5 | 4 2 – 1 3 1 | B D# C# A D# A | medium · barre on fret 5 | |
| 7 6 0 7 0 7 | 2 1 – 3 – 4 | B D# C# B A B | medium | |
| 7 9 0 7 0 11 | 1 3 – 2 – 4 | B F# C# B A D# | hard | |
| x x 10 9 12 11 | – – 2 1 4 3 | x x B C# A D# | medium | |
| x 2 0 5 6 2 | – 1 – 3 4 2 | x B C# A D# F# | hard | |
| x 2 2 5 4 2 | – 1 1 3 2 1 | x B D# A C# F# | medium · barre on fret 2 | |
| 7 6 0 5 4 x | 4 3 – 2 1 – | B D# C# A C# x | medium | |
| 7 6 0 5 0 5 | 4 3 – 1 – 2 | B D# C# A A A | medium | |
| 7 6 0 7 0 x | 2 1 – 3 – – | B D# C# B A x | easy | |
| 7 9 0 9 0 11 | 1 2 – 3 – 4 | B F# C# C# A D# | hard | |
| x x 10 11 12 9 | – – 2 3 4 1 | x x B D# A C# | medium | |
| x 2 0 5 6 5 | – 1 – 2 4 3 | x B C# A D# A | hard | |
| x 2 2 5 4 x | – 1 2 4 3 – | x B D# A C# x | medium |
The B9 chord (Dominant 9) is built from the notes B, D#, F#, A, C#. Below are playable fingerings for 6-String Guitar – Open A 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 B9 chord is built
Formula: 1 · 3 · 5 · ♭7 · 9
| Degree | Semitones | Note |
|---|---|---|
| 1 | 0 | B |
| 3 | 4 | D# |
| 5 | 7 | F# |
| ♭7 | 10 | A |
| 9 | 14 | C# |
More B chords
Other roots
See B9 in another tuning
What notes make up the B9 chord?
B9 is a Dominant 9 chord built from the notes B, D#, F#, A, C#.
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.