A° chord on 4-String Bass – Low C

in Low C (C-A-D-G) tuning

○○✕1CAD#
A°
Diminished
Notes:A · C · D#
easy
Piano Left hand Right hand
AAACD#
ShapeFretsFingersNotesDifficulty
0 0 1 x– – 1 –C A D# xeasy
3 3 x 22 3 – 1D# C x Aeasy
3 3 7 51 2 4 3D# C A Chard
9 6 7 54 2 3 1A D# A Chard
9 6 10 83 1 4 2A D# C D#hard
0 0 7 8– – 1 2C A A D#easy
9 0 10 82 – 3 1A A C D#medium
0 0 1 2– – 1 2C A D# Aeasy
3 6 7 51 3 4 2D# D# A Chard
9 6 x 53 2 – 1A D# x Chard
9 6 10 x2 1 3 –A D# C xhard
0 x 7 8– – 1 2C x A D#easy
x 0 10 8– – 2 1x A C D#medium
x 0 1 5– – 1 2x A D# Chard
3 3 7 x1 2 3 –D# C A xhard
0 6 7 5– 2 3 1C D# A Cmedium

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