Voicing of A# Diminished 7

Drop 2 III

Back to A#dim7

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Left hand
A#2
Right hand
A#3E4G4C#5
Family
Drop 2

The Drop 2 III voicing of A#dim7 stacks A#, E, G and C# from the bottom up: the root, flat 5th, diminished 7th and minor 3rd 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 A#dim7 are Drop 2 I, Drop 2 II and Drop 2 IV.