A# Diminished Seventh
Piano chord — 4 notes
A#
Diminished Seventh
Root Position: A# – C# – E – G
Bass note: A#
RootChord tone
All Voicings — A# Diminished Seventh
Root PositionA# – C# – E – G(bass: A#)
1st InversionC# – E – G – A#(bass: C#)
2nd InversionE – G – A# – C#(bass: E)
3rd InversionG – A# – C# – E(bass: G)
A# Diminished Seventh Piano Chord — Notes and Inversions
Notes: A#, C#, E, G
Intervals: 1P, 3m, 5d, 7d
Number of notes: 4
Also known as: dim7, °7, o7
The A# Diminished Seventh chord contains 4 notes (A#, C#, E, G). This chord has 3 inversions in addition to the root position. Use the interactive piano keyboard above to explore each voicing.