A Diminished 7th
Adim7
Extremely tense. Symmetrical — repeats every 3 semitones.
🔊 Listen
Piano Keyboard
Guitar Fretboard
Intervals
| Interval | Semitones | Note |
|---|---|---|
| R | 0 | A |
| m3 | 3 | C |
| TT | 6 | D♯ / E♭ |
| M6 | 9 | F♯ / G♭ |
Adim7
Extremely tense. Symmetrical — repeats every 3 semitones.
| Interval | Semitones | Note |
|---|---|---|
| R | 0 | A |
| m3 | 3 | C |
| TT | 6 | D♯ / E♭ |
| M6 | 9 | F♯ / G♭ |