Adim7
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 Adim7, 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.
x–0–1–2–1–2Open in Explorer
Fret 2
Fret 1
Fret 2
Fret 1
OOpen
✕Muted
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x–0–4–5–4–2Open in Explorer
Fret 2
Fret 4
Fret 5
Fret 4
OOpen
✕Muted
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5–0–4–5–4–5Open in Explorer
Fret 5
Fret 4
Fret 5
Fret 4
OOpen
Fret 5
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