A 7#9 Chord on Mandocello
How to play the A 7#9 chord on Mandocello: fretboard diagrams, finger positions, the notes that build it, and alternate voicings up the neck.
The A 7#9 chord is an extended or altered dominant that stacks ninths, elevenths, thirteenths, or chromatic tensions over a dominant-seventh core. It is built from the notes A, C, C#, E, G. This page shows how to play A 7#9 on Mandocello with clear fretboard diagrams and suggested finger positions.
The C, G and A strings ring open in the lowest shape, with the remaining notes fretted at fret 11. The root is the A string itself. It sounds from C2 up to C#4.
Mandocello 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 A 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.