Chord · 11ths
Am7♭5/11 — A Half-Diminished / 11th
Am7♭5/11 is the A half-diminished / 11th chord. It is built on the root A with minor 3rd (C), diminished 5th (E♭), minor 7th (G) and perfect 11th (D) above it — the formula 1 ♭3 ♭5 ♭7 11, sounding the notes A C E♭ G D. On the piano it sits at A (octave 3) and above in the library's voicing; the same 5 notes in any octave are still Am7♭5/11.
- Root
- A
- Quality
- Half-Diminished / 11th
- Formula
- 1 ♭3 ♭5 ♭7 11
- Notes
- A C E♭ G D
On the keyboard
The notes of Am7♭5/11
| Degree | Note | Interval from the root | Pitch |
|---|---|---|---|
| 1 | A | root | A3 |
| ♭3 | C | minor 3rd | C4 |
| ♭5 | E♭ | diminished 5th | E♭4 |
| ♭7 | G | minor 7th | G4 |
| 11 | D | perfect 11th | D5 |
Other 11ths on A
Half-Diminished / 11th chords on every root
Part of the chord reference. See also the scales and the keys.