Adim is a diminished, spelled A, C and Eb. In Drop D tuning (D2 A2 D3 G3 B3 E4) the easiest shape is x0121x, which sits at fret 1, needs a barre across 3 strings at fret 1, lets 1 string ring open and mutes 2 strings. 12 positions for it are shown below, from the nut up to fret 13.
Notes and intervals
Note
A
C
Eb
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.
x0121xsits at fret 1, needs a barre across 3 strings at fret 1, lets 1 string ring open and mutes 2 strings7675xxsits at fret 5, spans 2 frets and mutes 2 stringsx07545sits at fret 4, spans 3 frets, lets 1 string ring open and mutes 1 stringx0108108sits at fret 8, needs a barre across 3 strings at fret 8, lets 1 string ring open and mutes 1 stringx078108sits at fret 7, spans 3 frets, lets 1 string ring open and mutes 1 stringx0131413xsits at fret 13, needs a barre across 3 strings at fret 13, lets 1 string ring open and mutes 2 stringsx12131413xsits at fret 12, spans 2 frets and mutes 2 stringsx013141311sits at fret 11, spans 3 frets, lets 1 string ring open and mutes 1 string76108xxsits at fret 6, spans 4 frets and mutes 2 strings7375xxsits at fret 3, spans 4 frets and mutes 2 strings10010xxxsits at fret 10, needs no stretch at all, lets 1 string ring open and mutes 3 strings10121xsits at fret 1, spans 1 fret, lets 1 string ring open and mutes 1 string
Keys Adim belongs to
Adim is diatonic to 8 of the 96 keys this app knows, playing a different role in each.