G# 13b9 Chord on 8-String Guitar
Play G# 13b9 on 8-String Guitar: diagrams, finger positions, intervals, and every voicing up and down the neck for this instrument.
The G# 13b9 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 G#, A, C, D#, F, F#. This page shows how to play G# 13b9 on 8-String Guitar with clear fretboard diagrams and suggested finger positions.
The lowest shape sits at fret 4 and spans 3 frets, with no open strings in it. The F# and B strings stay silent, so 6 of 8 sound. G# falls on the E string. It sounds from G#2 up to A4.
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 G# 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.