Tuning-specific arpeggio diagram

A Diminished Arpeggio in Open A Tuning

A Diminished Arpeggio in Open A Tuning shows the same a diminished arpeggio chord tones across 6 strings tuned E A E A C# E. The tuning changes where the same chord tones sit across the fretboard.

Chord tones: A, C, Eb
Formula: 1 b3 b5
Semitones: 0 3 6
Chord symbols: Adim
Tuning: E A E A C# E
Strings: 6
Open pitch range: E2 to E4
24-fret range: E2 to E6

Open strings and root positions

2 of the 6 open strings belong to A Diminished Arpeggio: string 5 A (1) and string 3 A (1). A roots occur on open strings 5 and 3.

String 5A1

String 3A1

First root on each string

String 6Fret 5

String 5Open

String 4Fret 5

String 3Open

String 2Fret 8

String 1Fret 5

Low-string pattern

On the lowest E string, the first-octave arpeggio pattern falls at frets 5, 8, and 11, with the A root at fret 5. On the highest E string, the first A is at fret 5.

Fret 5A1

Fret 8Cb3

Fret 11Ebb5

Practice this tuning-specific layout

Play A Diminished Arpeggio on the low E string at frets 5, 8, and 11, saying each note name and degree aloud.
Build a phrase that lets A on open string 5 ring, then connect it to the nearest A root and two other arpeggio tones.
Connect the A root positions on strings 6 through 1 at frets 5, 0, 5, 0, 8, and 5, adding the nearest arpeggio tone between each pair of roots.