Voicing of Ab Half Diminished

Drop 2 II

Back to Abm7b5

Space plays and stops
Left hand
Ab2
Right hand
Gb3Cb4Ebb4Ab4
Family
Drop 2

The Drop 2 II voicing of Abm7b5 stacks Gb, Cb, Ebb and Ab from the bottom up: the minor 7th, minor 3rd, flat 5th and root of the chord.

It's one of the Drop 2 voicings: four-note chords in close position with the second note from the top dropped an octave, played over the root. The others for Abm7b5 are Drop 2 I, Drop 2 III and Drop 2 IV.