A° chord on Dobro / Resonator

in Open G (GBDGBD) tuning

211311ACD#ACD#
A°
Diminished
Notes:A · C · D#
easybarre on fret 1
Piano Left hand Right hand
AAACD#
ShapeFretsFingersNotesDifficulty
2 1 1 2 1 12 1 1 3 1 1A C D# A C D#easy · barre on fret 1
2 4 x 5 4 x1 2 – 4 3 –A D# x C D# xhard
x x 7 5 4 7– – 3 2 1 4x x A C D# Amedium
5 x 7 8 x x1 – 2 3 – –C x A D# x xhard
x x 7 8 10 10– – 1 2 3 4x x A D# A Cmedium
x 10 10 8 10 x– 2 3 1 4 –x A C D# A xmedium
2 1 1 2 1 x2 1 1 3 1 –A C D# A C xeasy · barre on fret 1
2 4 x 5 x x1 2 – 3 – –A D# x C x xhard
x x 7 5 4 x– – 3 2 1 –x x A C D# xmedium
8 x 7 5 x x3 – 2 1 – –D# x A C x xhard
x 10 7 8 x 10– 3 1 2 – 4x A A D# x Chard
x 10 10 8 x x– 2 3 1 – –x A C D# x xmedium
2 1 1 2 x x3 1 2 4 – –A C D# A x xmedium
2 x x 5 4 x1 – – 3 2 –A x x C D# xhard
x 4 7 5 4 7– 1 3 2 1 4x D# A C D# Amedium · barre on fret 4
5 x 7 8 x 71 – 2 4 – 3C x A D# x Ahard

The A° chord (Diminished) is built from the notes A, C, D#. Below are playable fingerings for Dobro / Resonator 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

Open G (GBDGBD) G-B-D-G-B-D
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.