A aug7b9 Chord on 8-String Guitar

Play A aug7b9 on 8-String Guitar: diagrams, finger positions, intervals, and every voicing up and down the neck for this instrument.

The A aug7b9 chord is an augmented chord with a raised fifth that creates restless, unresolved tension. It is built from the notes A, A#, C#, F, G. This page shows how to play A aug7b9 on 8-String Guitar with clear fretboard diagrams and suggested finger positions.

The lowest shape sits at fret 5 and spans 4 frets, with no open strings in it. The F# and B strings stay silent, so 6 of 8 sound. A falls on the E string. It sounds from A2 up to A#4.

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.