A♭ Minor 11th
A♭m11
Notes
A♭ · C♭ · E♭ · G♭ · B♭ · D♭
Intervals
- RootA♭ (1P)
- Minor 3rdC♭ (3m)
- Perfect 5thE♭ (5P)
- Minor 7thG♭ (7m)
- Major 9thB♭ (9M)
- Perfect 11thD♭ (11P)
Fretboard
On the fretboard, B represents C♭.

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About
The A♭m11 (A♭–C♭–E♭–G♭–B♭–D♭) adds an 11th (equivalent to a fourth) above the minor 7 base. The D♭ stacks a suspended quality onto the existing minor-seventh sound, creating a spacious, harmonically ambiguous texture associated with modal jazz and ambient music. In practice, the 5th and 9th are often omitted on guitar, leaving a voicing built around the 3rd, 7th, and 11th — the notes that give the chord its character. The 11th itself is the essential extension. Compared to A♭m9, m11 is more atmospheric and less harmonically focused, well suited to static or slow-moving progressions.
Similar chords
Chords sharing two or more notes with this one, ranked by overlap.
Scales containing this chord
- A♭ Dorian (I)
- A♭ Natural Minor (I)
- B Lydian (VI)
- B Major (VI)
- B♭ Locrian (VII)
- B♭ Phrygian (VII)
- D♭ Dorian (V)
- D♭ Mixolydian (V)
- E Lydian (III)
- E♭ Natural Minor (IV)
- E♭ Phrygian (IV)
- F Locrian (III)
- F♯ Major (II)
- F♯ Mixolydian (II)
Scales whose notes include every chord tone. The Roman numeral (or scale degree) marks the chord root’s position in the scale.