A Minor 7 flat 5 Guitar Chord — Open D
Guitar chord voicings in Open D tuning (D-A-D-F#-A-D)
A Minor 7 flat 5 Voicings in Open D
A Minor 7 flat 5 filtered by fret:
A Minor 7 flat 5 in Open D Tuning — Guide
The A Minor 7 flat 5 chord is made up of the following notes: A, C, Eb, G.
Intervals: 1P, 3m, 5d, 7m.
The A Minor 7 flat 5 chord in Open D tuning (D-A-D-F#-A-D) requires different fingerings than standard tuning.
The A half-diminished chord (m7b5) combines a diminished triad with a minor seventh, yielding A, C, Eb, 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 A# major, making it a critical chord for navigating minor-key harmony.
Common Substitutions
Cm6, Am9b5, or D#7 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.