A♭dim7
A♭ diminished seventh
Notes
A♭ – C♭ – E𝄫 – G𝄫
Formula
1 – ♭3 – ♭5 – ♭♭7
A diminished triad with a diminished seventh — three stacked minor thirds.
To build A♭dim7, start on A♭ and stack the intervals ♭3, ♭5, ♭♭7 above it.
On piano
On guitar
Shapes generated and checked against the chord engine, standard tuning.
4–2–0–1–0–1Open in Explorer
Fret 1
OOpen
Fret 1
OOpen
Fret 2
Fret 4
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4–5–3–4–0–xOpen in Explorer
✕Muted
OOpen
Fret 4
Fret 3
Fret 5
Fret 4
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4–5–0–4–6–xOpen in Explorer
✕Muted
Fret 6
Fret 4
OOpen
Fret 5
Fret 4
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