A# 13 Chord on Puerto Rican Cuatro (Antiguo)
Play A# 13 on Puerto Rican Cuatro (Antiguo): diagrams, finger positions, intervals, and every voicing up and down the neck for this instrument.
The A# 13 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, D, F, G, G#. This page shows how to play A# 13 on Puerto Rican Cuatro (Antiguo) with clear fretboard diagrams and suggested finger positions.
The shape nearest the nut leaves the D, G and C strings open and takes the rest at fret 1, reaching across 3 frets. A# falls on the A string. It sounds from D3 up to G#4.
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.