A+ chord on 4-String Bass – Low B

in Low B (B-E-A-D) tuning

○✕21C#FA
A+
Augmented
Notes:A · C# · F
easy
Piano Left hand Right hand
AAAFC#
ShapeFretsFingersNotesDifficulty
2 1 0 x2 1 – –C# F A xeasy
2 5 4 31 4 3 2C# A C# Fmedium
x 5 4 3– 3 2 1x A C# Fmedium
6 5 4 x3 2 1 –F A C# xmedium
6 9 8 71 4 3 2F C# F Amedium
10 9 8 74 3 2 1A C# F Amedium
10 9 8 x3 2 1 –A C# F xmedium
2 1 0 32 1 – 3C# F A Fmedium
2 5 x 31 3 – 2C# A x Fhard
6 5 4 34 3 2 1F A C# Fmedium
6 5 4 73 2 1 4F A C# Amedium
6 9 0 71 3 – 2F C# A Amedium
x 9 8 7– 3 2 1x C# F Amedium
10 9 8 113 2 1 4A C# F C#medium
2 5 0 31 3 – 2C# A A Fmedium
6 x 4 72 – 1 3F x C# Ahard

The A+ chord (Augmented) is built from the notes A, C#, F. Below are playable fingerings for 4-String Bass – Low B 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 A+ chord is built

Formula: 1 · 3 · ♯5

DegreeSemitonesNote
10A
34C#
♯58F

More A chords

Other roots

See A+ in another tuning

What notes make up the A+ chord?

A+ is a Augmented chord built from the notes A, C#, F.

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.