F m7#5 Chord on Octave Mandolin
Play F m7#5 on Octave Mandolin: diagrams, finger positions, intervals, and every voicing up and down the neck for this instrument.
The F m7#5 chord is a minor seventh with a raised fifth, an altered, unstable color. It is built from the notes F, Ab, C#, Eb. This page shows how to play F m7#5 on Octave Mandolin with clear fretboard diagrams and suggested finger positions.
There is no open-course version on Octave Mandolin: the lowest shape barres fret 1 and covers 4 frets. F falls on the E course. It sounds from Ab2 up to F4.
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 F 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.