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Adim7 Guitar Chord

A symmetrical chord built from three stacked minor thirds — any note can theoretically serve as the root. Common in jazz, classical and film music for dramatic tension.

Guitar

Strings X–0–1–2–1–2

How to play the Adim7 chord on guitar

Read the string pattern X–0–1–2–1–2 from the low E string to the high E string. Numbers in the pattern are frets; numbers in the colored dots are left-hand fingers. X means a muted string and 0 means an open string.

6th string (low E) Muted
5th string (A) Open
4th string (D) Fret 1 · index finger
3rd string (G) Fret 2 · ring finger
2nd string (B) Fret 1 · middle finger
1st string (high E) Fret 2 · pinky

Other names for the Adim7 chord

Other names: A diminished 7th, A°7

Music theory name: diminished seventh chord

Common name: A diminished seventh chord

Notes and intervals in the Adim7 chord

Note Interval
A Root
C Minor 3rd
Eb Diminished 5th
Gb Diminished 7th

All variations

Open
X–0–1–2–1–2
Fret 4
5–X–4–5–4–X
Fret 5
5–6–7–5–7–5
Fret 7
X–0–7–8–7–8

Songs using Adim7