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 34 fingerings with fretboard diagrams.
Fingerings for A#dim7
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.