A° chord on 12-String Guitar – Drop B

in Drop B (B-B-F#-F#-B-B-E-E-G#-G#-C#-C#) tuning

✕✕3311441122AACCAAAAD#D#
A°
Diminished
Notes:A · C · D#
hardbarre on fret 1
Piano Left hand Right hand
AAACD#
ShapeFretsFingersNotesDifficulty
x x 3 3 1 1 5 5 1 1 2 2– – 3 3 1 1 4 4 1 1 2 2x x A A C C A A A A D# D#hard · barre on fret 1
x x x x x x 5 5 4 4 2 2– – – – – – 3 3 2 2 1 1x x x x x x A A C C D# D#medium
x x 3 3 4 4 5 5 4 4 x x– – 1 1 2 2 4 4 3 3 – –x x A A D# D# A A C C x xmedium
4 4 6 6 4 4 5 5 4 4 x x1 1 3 3 1 1 2 2 1 1 – –D# D# C C D# D# A A C C x xmedium · barre on fret 4
x x 6 6 x x 5 5 7 7 x x– – 2 2 – – 1 1 3 3 – –x x C C x x A A D# D# x xhard
10 10 6 6 x x 8 8 7 7 x x4 4 1 1 – – 3 3 2 2 – –A A C C x x C C D# D# x xhard
x x x x 10 10 8 8 7 7 8 8– – – – 4 4 2 2 1 1 3 3x x x x A A C C D# D# A Amedium
10 10 9 9 10 10 8 8 x x x x3 3 2 2 4 4 1 1 – – – –A A D# D# A A C C x x x xmedium
10 10 9 9 x x 11 11 x x 11 112 2 1 1 – – 3 3 – – 4 4A A D# D# x x D# D# x x C Chard
x x x x 10 10 11 11 x x 11 11– – – – 1 1 2 2 – – 3 3x x x x A A D# D# x x C Ceasy
x x 3 3 1 1 x x 1 1 2 2– – 4 4 1 1 – – 2 2 3 3x x A A C C x x A A D# D#hard
x x 3 3 4 4 x x 4 4 2 2– – 2 2 3 3 – – 4 4 1 1x x A A D# D# x x C C D# D#hard
x x 3 3 4 4 x x 4 4 x x– – 1 1 2 2 – – 3 3 – –x x A A D# D# x x C C x xeasy
x x x x 4 4 5 5 4 4 x x– – – – 1 1 2 2 1 1 – –x x x x D# D# A A C C x xeasy · barre on fret 4
x x 6 6 x x 5 5 7 7 8 8– – 2 2 – – 1 1 3 3 4 4x x C C x x A A D# D# A Ahard
10 10 6 6 10 10 x x 7 7 x x3 3 1 1 4 4 – – 2 2 – –A A C C A A x x D# D# x xhard

The A° chord (Diminished) is built from the notes A, C, D#. Below are playable fingerings for 12-String Guitar – Drop 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
♭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.