Adim7 Piano Chord
A symmetrical chord built from three stacked minor thirds — any note can theoretically serve as the root. Common in jazz, classical and film music for dramatic tension.
Recommended voicing
A3 · C4 · Eb4 · F#4
Notation for Adim7 chord
Other names: A diminished 7th, A dim7, A°7
Music theory name: diminished seventh chord
Common name: A diminished seventh chord
Intervals and tones in Adim7 chord
| Note | Interval |
|---|---|
| A | Root |
| C | Minor 3rd |
| Eb | Diminished 5th |
| F# | Diminished 7th |
Inversions
1st inversion
C4 · Eb4 · F#4 · A4
2nd inversion
Eb4 · F#4 · A4 · C5