A#dim is a diminished, spelled A#, C# and E. In DADGAD tuning (D2 A2 D3 G3 A3 D4) the easiest shape is xxx342, which sits at fret 2, spans 2 frets and mutes 3 strings. 12 positions for it are shown below, from the nut up to fret 11.
Notes and intervals
Note
A#
C#
E
Interval
1P
3m
5d
12 ways to play it
Ordered by how hard they are to fret, easiest first, one per position on the neck. Fret numbers are relative to the position marked beside each grid.
xxx342sits at fret 2, spans 2 frets and mutes 3 stringsx1234xsits at fret 1, spans 3 frets and mutes 2 stringsxx8678sits at fret 6, spans 2 frets and mutes 2 strings871197xsits at fret 7, needs a barre across 4 strings at fret 7 and mutes 1 string84864xsits at fret 4, needs a barre across 4 strings at fret 4 and mutes 1 stringx1311913xsits at fret 9, spans 4 frets and mutes 2 strings111311xxxsits at fret 11, needs a barre across 3 strings at fret 11 and mutes 3 strings242342sits at fret 2 and needs a barre across 6 strings at fret 28786xxsits at fret 6, spans 2 frets and mutes 2 stringsx42342sits at fret 2, needs a barre across 4 strings at fret 2 and mutes 1 string24234xsits at fret 2, needs a barre across 3 strings at fret 2 and mutes 1 stringx4234xsits at fret 2, spans 2 frets and mutes 2 strings
Keys A#dim belongs to
A#dim is diatonic to 8 of the 96 keys this app knows, playing a different role in each.