A Diminished 7th Guitar Chord (Adim7)

A Diminished 7th (Adim7) is built from A, C, Eb, Gb, which is the 1P - 3m - 5d - 7d formula measured from the root A. This entry documents the notes and intervals; no playable fingerings are catalogued yet.

Diminished
Notes: A · C · Eb · GbIntervals: 1P – 3m – 5d – 7d

Fingerings for Adim7

No playable fingering is catalogued for Adim7 yet. The notes and intervals below still tell you what the chord is made of.

Notes in Adim7

  • A1P
  • C3m
  • Eb5d
  • Gb7d

How to play Adim7

A Diminished 7th Guitar Chord (Adim7) is unstable and cinematic, used as a passing or tension chord.

Beginner tip

Diminished shapes move in small steps, so keep your hand relaxed and shift rather than stretch.

Practice idea

Slide it up three frets at a time and notice it repeats its own shape.

Adim7 FAQ

What notes are in A Diminished 7th?
A Diminished 7th (Adim7) contains A, C, Eb, Gb. In interval terms that is 1P - 3m - 5d - 7d above the root A.
Is Adim7 hard for beginners?
Adim7 is catalogued for reference. Diminished shapes move in small steps, so keep your hand relaxed and shift rather than stretch.