A m7#5 Chord on Puerto Rican Cuatro (Antiguo)
Play A m7#5 on Puerto Rican Cuatro (Antiguo): diagrams, finger positions, intervals, and every voicing up and down the neck for this instrument.
The A m7#5 chord is a minor seventh with a raised fifth, an altered, unstable color. It is built from the notes A, C, F, G. This page shows how to play A m7#5 on Puerto Rican Cuatro (Antiguo) with clear fretboard diagrams and suggested finger positions.
The A, G and C strings ring open in the lowest shape, with the remaining notes fretted at fret 3 over a 2-fret stretch. The root is the A string itself. It sounds from F3 up to A4. 2 voicings are charted, the highest starting at fret 5.
Puerto Rican Cuatro (Antiguo) is tuned A–D–G–C–F, with 15 frets to work with.
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.