A# 7b5 Chord on 8-String Guitar

Play A# 7b5 on 8-String Guitar: diagrams, finger positions, intervals, and every voicing up and down the neck for this instrument.

The A# 7b5 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#, D, E, G#. This page shows how to play A# 7b5 on 8-String Guitar with clear fretboard diagrams and suggested finger positions.

The shape nearest the nut leaves the D and E strings open and takes the rest at fret 1. The F#, B and E strings stay silent, so 4 of 8 sound. A# falls on the A string. It sounds from A#2 up to E4. 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.