A# Diminished Guitar Chord (A#dim)

A# Diminished (A#dim) is built from A#, C#, E, which is the 1P - 3m - 5d formula measured from the root A#. This page shows 5 fingerings with fretboard diagrams.

Diminished
Notes: A# · C# · EIntervals: 1P – 3m – 5d

Fingerings for A#dim

A#dimlow E at fret 1, A at fret 2, D at fret 3, G muted, B muted, high E at fret 4
A#dimlow E muted, A at fret 1, D at fret 2, G at fret 3, B at fret 2, high E muted
A#dimlow E muted, A at fret 1, D muted, G at fret 3, B at fret 2, high E open
A#dimlow E muted, A muted, D at fret 4, G at fret 2, B at fret 1, high E at fret 2
A#dimlow E muted, A muted, D at fret 1, G at fret 2, B at fret 4, high E at fret 2

Notes in A#dim

  • A#1P
  • C#3m
  • E5d

How to play A#dim

A# Diminished Guitar Chord (A#dim) 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.

A#dim FAQ

What notes are in A# Diminished?
A# Diminished (A#dim) contains A#, C#, E. In interval terms that is 1P - 3m - 5d above the root A#.
How do you play A#dim on guitar?
The most common shape here is "A#dim": low E at fret 1, A at fret 2, D at fret 3, G muted, B muted, high E at fret 4.
Is A#dim hard for beginners?
It sits in the diminished family. Diminished shapes move in small steps, so keep your hand relaxed and shift rather than stretch.