A# Diminished 7th Guitar Chord (A#dim7)

A# Diminished 7th (A#dim7) is built from A#, C#, E, G, which is the 1P - 3m - 5d - 7d formula measured from the root A#. This page shows 24 fingerings with fretboard diagrams.

Diminished
Notes: A# · C# · E · GIntervals: 1P – 3m – 5d – 7d

Fingerings for A#dim7

A#dim7low E at fret 4, A at fret 2, D at fret 3, B at fret 3
A#dim7low E at fret 2, A at fret 3, G at fret 2, high E at fret 2
A#dim7A at fret 2, D at fret 3, B at fret 3
A#dim7A at fret 2, D at fret 3, G at fret 4, B at fret 3
A#dim7A at fret 2, D at fret 3, B at fret 3, high E at fret 4
A#dim7low E at fret 1, A at fret 2, D at fret 3, G at fret 4, B at fret 3, high E at fret 4
A#dim7low E at fret 4, A muted, D at fret 3, B at fret 3
A#dim7low E muted, A at fret 1, D at fret 2, B at fret 2
A#dim7low E muted, A at fret 3, G at fret 2, high E at fret 2
A#dim7low E at fret 1, A at fret 2, D at fret 3, G muted, B muted, high E at fret 4
A#dim7low E muted, A at fret 1, D at fret 2, G at fret 3, B at fret 2, high E muted
A#dim7low E muted, A at fret 3, G at fret 2, high E muted
A#dim7low E muted, A at fret 3, D at fret 4, G at fret 2, B at fret 1, high E muted
A#dim7low E muted, A at fret 1, D muted, G at fret 3, B at fret 2, high E open
A#dim7low E muted, A at fret 1, D muted, G open, B at fret 2, high E at fret 3
A#dim7low E muted, A at fret 1, D muted, G at fret 3, B at fret 2, high E at fret 3
A#dim7low E muted, A at fret 3, D muted, G at fret 2, B at fret 1, high E at fret 2
A#dim7low E muted, A muted, D at fret 4, G at fret 2, B at fret 1, high E at fret 2
A#dim7low E muted, A muted, D at fret 3, B at fret 3
A#dim7low E muted, A muted, D at fret 3, G at fret 4, B at fret 3, high E at fret 1
A#dim7low E muted, A muted, D at fret 3, G at fret 1, B at fret 3, high E at fret 4
A#dim7low E muted, A muted, G at fret 2, high E at fret 2
A#dim7low E muted, A muted, D at fret 1, G at fret 2, B at fret 4, high E at fret 2
A#dim7low E muted, A at fret 1, D at fret 2, G open, B muted, high E muted

Notes in A#dim7

  • A#1P
  • C#3m
  • E5d
  • G7d

How to play A#dim7

A# Diminished 7th Guitar Chord (A#dim7) 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#dim7 FAQ

What notes are in A# Diminished 7th?
A# Diminished 7th (A#dim7) contains A#, C#, E, G. In interval terms that is 1P - 3m - 5d - 7d above the root A#.
How do you play A#dim7 on guitar?
The most common shape here is "A#dim7": low E at fret 4, A at fret 2, D at fret 3, B at fret 3.
Is A#dim7 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.