A# Minor 7 flat 5 Guitar Chord
All positions and voicings on the fretboard
No playable voicings found for this chord. Try a different chord type or root note.
A# Minor 7 flat 5 filtered by fret:
A# Minor 7 flat 5 — chord details
The A# Minor 7 flat 5 chord is made up of the following notes: A#, C#, E, G#.
Intervals: 1P, 3m, 5d, 7m.
The diagrams above show every voicing and chord variation for A# Minor 7 flat 5 on guitar. Use the fret filter to narrow down voicings within a specific fret range — ideal for finding close-proximity chords when composing or arranging.
Note: A# is enharmonically equivalent to Bb. Chord shapes are the same.
The A# half-diminished chord (m7b5) combines a diminished triad with a minor seventh, yielding A#, C#, E, G# and intervals 1P, 3m, 5d, 7m. It carries the instability of the diminished fifth but softened by the minor seventh, creating a questioning, unresolved quality. This chord is critical in jazz as the ii chord in minor-key ii-V-I progressions and appears frequently in bossa nova and film music.
How to Play A# Minor 7 flat 5
On guitar, A# m7b5 typically requires a barre or partial barre voicing. Experiment with different positions to find the voicing that best suits your playing context — higher positions sound brighter and tighter, while lower positions offer more bass and resonance. CAGED system shapes help navigate these options efficiently.
A# Minor 7 flat 5 in Progressions
A# half-diminished (m7b5) most commonly serves as the ii chord in a minor ii-V-i progression in C# minor. It also appears as the vii chord in B major, making it a critical chord for navigating minor-key harmony.
Common Substitutions
C#m6, A#m9b5, or E7 offer alternatives that maintain the half-diminished tension.
Difficulty: This is an advanced chord on guitar — it requires precise finger placement and usually a barre or uncommon shape.