Piano Reference: A diminished chord (Adim) & A diminished 7th Chord (Adim7)
Interactive piano reference to the A diminished chord, abbreviated as Adim or A°. The A diminished chord consists of the notes A, C and E♭. The 2 inversions to the A diminished chord are C E♭ A and E♭ A C.
The A diminished 7th chord, abbreviated as Adim7 or A°7, has the notes A, C, E♭ and G♭. The 3 inversions to the A diminished 7th chord are C E♭ G♭ A, E♭ G♭ A C and G♭ A C E♭.
In the root position, the A diminished chord has the A as the root, the C as the minor third and the E♭ as the diminished fifth. With the A diminished 7th chord there's the addition of G♭ as the diminished seventh.
A diminished chord
notes: A C E♭
- A
- C
- E♭
A diminished 1st inversion
notes: C E♭ A
- C
- E♭
- A
A diminished 2nd inversion
notes: E♭ A C
- E♭
- A
- C
A diminished 7th chord
notes: A C E♭ G♭
- A
- C
- E♭
- G♭
A diminished 7th 1st inversion
notes: C E♭ G♭ A
- C
- E♭
- G♭
- A
A diminished 7th 2nd inversion
notes: E♭ G♭ A C
- E♭
- G♭
- A
- C
A diminished 7th 3rd inversion
notes: G♭ A C E♭
- G♭
- A
- C
- E♭
⌨️ hint: use numbers 1 to 7 on a computer keyboard to trigger the chords and their inversions.
lookup a different chord:
C majorD majorE majorF majorG majorA majorB majorC♯ majorD♯ majorF♯ majorG♯ majorA♯ major
C minorD minorE minorF minorG minorA minorB minor C♯ minorD♯ minorF♯ minorG♯ minorA♯ minor
C dimD dimE dimF dimG dimB dim C♯ dimD♯ dimF♯ dimG♯ dimA♯ dim
piano samples
The piano samples used here are from “ Salamander Grand Piano V3 ” by Alexander Holm, licensed under CC BY 3.0.

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