E m7b5 Chord on Octave Mandolin

How to play the E m7b5 chord on Octave Mandolin: fretboard diagrams, finger positions, the notes that build it, and alternate voicings up the neck.

The E m7b5 chord is a half-diminished (m7b5) chord, central to the minor ii–V–i. It is built from the notes E, G, A#, D. This page shows how to play E m7b5 on Octave Mandolin with clear fretboard diagrams and suggested finger positions.

The shape nearest the nut leaves the G, D and E strings open and takes the rest at fret 1. The root is the E string itself. It sounds from G2 up to E4.

Octave Mandolin is strung in four courses of two, so each stopped note here sounds as two — which is why the shape rings thicker than the same grip on a single-strung instrument.

Browse alternate voicings to find the one that sits best under your fingers, then compare it with the other chord types built on E or explore the same shape in nearby keys. The diagrams list the notes in each voicing so you can connect the shape to the theory behind it.