A#dim chord on guitar
A Sharp Diminished, also written Bbdim. Notes: A#, C# and E.
How to play A#dim
- Put your index finger on the 5th (A) string at fret 1 (A#).
- Put your middle finger on the 4th (D) string at fret 2 (E).
- Put your ring finger on the 2nd (B) string at fret 2 (C#).
- Put your pinky finger on the 3rd (G) string at fret 3 (A#).
- Don't play the low E and high E strings: skip them or mute them with a fretting finger.
- Strum from the A string down.
All 4 ways to play A#dim
Easiest first. Tap play to hear each one.Fret 1 position
EasyFret 4 position
MediumFret 8 position
HardFret 11 position
HardNotes and theory
The diminished triad stacks two minor thirds. It sounds tense and unstable and is mostly used as a passing chord. The formula is 1 b3 b5, and you will also see it written as A#° and A#o.
Keys that use A#dim
More A# chords
All A# guitar chordsdiminished chords in every key
Questions
What notes are in the A#dim chord?
A#dim (A sharp diminished) is made of three notes: A# (root), C# (minor third) and E (diminished fifth).
How do you play A#dim on guitar?
The easiest A#dim is the "fret 1 position" shape. Put your index finger on the 5th (A) string at fret 1 (A#). Put your middle finger on the 4th (D) string at fret 2 (E). Put your ring finger on the 2nd (B) string at fret 2 (C#).
Is A#dim hard to play on guitar?
No. The easiest version is rated easy and uses 4 fretted notes.
What key is A#dim in?
A#dim belongs to 2 keys: B major (as the vii° chord) and G sharp minor (as the ii° chord).
What does a diminished chord sound like?
The diminished triad stacks two minor thirds. It sounds tense and unstable and is mostly used as a passing chord.