A° chord on 4-String Bass – Drop C

in Drop C (C-G-C-F) tuning

○✕12CAD#
A°
Diminished
Notes:A · C · D#
easyfret 2
Piano Left hand Right hand
AAACD#
ShapeFretsFingersNotesDifficulty
0 2 3 x– 1 2 –C A D# xeasy
3 5 3 41 3 1 2D# C D# Amedium · barre on fret 3
0 8 0 4– 2 – 1C D# C Ahard
9 8 9 73 2 4 1A D# A Cmedium
9 8 0 x2 1 – –A D# C xeasy
9 x 0 101 – – 2A x C D#easy
3 2 0 x2 1 – –D# A C xeasy
x 5 3 4– 3 1 2x C D# Amedium
x 8 0 4– 2 – 1x D# C Ahard
9 8 0 73 2 – 1A D# C Cmedium
9 8 0 102 1 – 3A D# C D#medium
9 x 12 101 – 3 2A x C D#hard
0 2 3 4– 1 2 3C A D# Amedium
3 5 x 41 3 – 2D# C x Ahard
0 8 x 4– 2 – 1C D# x Ahard
9 8 x 73 2 – 1A D# x Chard

The A° chord (Diminished) is built from the notes A, C, D#. Below are playable fingerings for 4-String Bass – Drop C 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
♭33C
♭56D#

More A chords

Other roots

See A° in another tuning

What notes make up the A° chord?

A° is a Diminished chord built from the notes A, C, D#.

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.