A# Altered scale — Position 4
Fret 9 position · Standard tuning
Super Locrian. Used over altered dominant chords in jazz.
Root (A#)
Scale tone
Notes in this position
A#BC#DEF#G#
All 5 positions
A# Altered scale position 4 — video lessons
About this position
This diagram shows Position 4 of the A# Altered scale — a 5-fret box starting at fret 9 position. The notes available in this position are A#, B, C#, D, E, F#, G#. Root notes (A#) are shown in blue; other scale tones are outlined. Practicing all 5 box positions connects the full neck and builds fretboard fluency. The A# Altered scale has 7 notes with intervals 0–1–3–4–6–8–10 semitones.