Adim7 chord
The A diminished seventh chord (abbreviated "Adim7 chord") is a four-note chord consisting of the notes A, C, E♭, and G♭. The chord is formed by adding a diminished seventh to a A diminished chord.
Name
A diminished seventh chord
Synonym
A fully diminished chord
Notes
A C E♭ G♭
Intervals
1 ♭3 ♭5 ♭♭7
Chord symbol
Ao7
Alternative symbols
Adim7 Adim Ao
Type
Tetrad (four-note chord)