A# 13 Chord on 8-String Guitar
Play A# 13 on 8-String Guitar: 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 8-String Guitar with clear fretboard diagrams and suggested finger positions.
The shape nearest the nut leaves the D string open and takes the rest at fret 1, reaching across 3 frets. The F#, B and E strings stay silent, so 5 of 8 sound. A# falls on the A string. It sounds from A#2 up to G4. 2 voicings are charted, the highest starting at fret 6.
8-String Guitar is tuned F#–B–E–A–D–G–B–E, 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.