Adim7 chord (A diminished seventh) on guitar
Adim7 (A diminished seventh) has four notes: A, C, E flat and G flat. Its formula is 1, b3, b5, bb7.
Adim7 chord shapes
Fingers: 1 on D, 3 on G, 2 on B, 4 on e.
Fingers: 1 on D, 3 on G, 2 on B, 4 on e.
Finger 1 barres fret 5, then 2 on A, 3 on D, 4 on B.
Finger 1 barres fret 4, then 2 on E, 3 on G, 4 on e.
Fingers: 1 on D, 3 on G, 2 on B, 4 on e.
Fingers: 4 on D, 2 on G, 1 on B, 3 on e.
Hear it and see every shape in ScaleSpace →
| Symbol | Adim7 |
|---|---|
| Also written | A°7, Ao7 |
| Notes | A C Eb Gb |
| Formula | 1 b3 b5 bb7 |
| Intervals | root, minor third, tritone, major sixth |
| Type | Diminished seventh chord |
Adim7 across the neck
Guitar · 6-string, tuned low to high: E, A, D, G, B, e. 24 frets.
- E string: fret 2 Gb (double flat 7), fret 5 A (1), fret 8 C (flat 3), fret 11 Eb (flat 5), fret 14 Gb (double flat 7), fret 17 A (1), fret 20 C (flat 3), fret 23 Eb (flat 5).
- A string: fret 0 A (1), fret 3 C (flat 3), fret 6 Eb (flat 5), fret 9 Gb (double flat 7), fret 12 A (1), fret 15 C (flat 3), fret 18 Eb (flat 5), fret 21 Gb (double flat 7), fret 24 A (1).
- D string: fret 1 Eb (flat 5), fret 4 Gb (double flat 7), fret 7 A (1), fret 10 C (flat 3), fret 13 Eb (flat 5), fret 16 Gb (double flat 7), fret 19 A (1), fret 22 C (flat 3).
- G string: fret 2 A (1), fret 5 C (flat 3), fret 8 Eb (flat 5), fret 11 Gb (double flat 7), fret 14 A (1), fret 17 C (flat 3), fret 20 Eb (flat 5), fret 23 Gb (double flat 7).
- B string: fret 1 C (flat 3), fret 4 Eb (flat 5), fret 7 Gb (double flat 7), fret 10 A (1), fret 13 C (flat 3), fret 16 Eb (flat 5), fret 19 Gb (double flat 7), fret 22 A (1).
- e string: fret 2 Gb (double flat 7), fret 5 A (1), fret 8 C (flat 3), fret 11 Eb (flat 5), fret 14 Gb (double flat 7), fret 17 A (1), fret 20 C (flat 3), fret 23 Eb (flat 5).
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Questions
What notes are in the Adim7 chord?
Adim7 (A diminished seventh) has four notes: A, C, E flat and G flat. Its formula is 1, b3, b5, bb7. A is the root, C is the minor third, Eb is the tritone and Gb is the major sixth.
How do you play Adim7 on guitar?
The easiest shape is x01212. Fingers: 1 on D, 3 on G, 2 on B, 4 on e.
What is the difference between Adim7 and Adim?
Adim7 is Adim (A, C and Eb) with Gb, the double flat 7th, added.