4 x 3 4 3 x
Ab dim7
Ab diminished seventh (dim7)
Notes: Ab · Cb · Ebb · Gbb
Ebb sounds the same as D. Gbb sounds the same as F.
It is a symmetrical chord: its four notes are three semitones apart, so the same shape repeats every 3 frets and works for four chords (same notes, a different root): Ab dim7, B dim7, D dim7 and F dim7.
More common: G# dim7
Triads
Suspended
Sevenths
Extensions
Drag the file into your recording program (DAW). It plays the guitar's real notes.
Common shapes (3)
x x 6 7 6 7
x 11 12 10 12 x
Other shapes (25)
Showing 12 of 25
4 2 0 1 0 1
4 2 0 4 0 1
x 11 0 10 0 x
4 5 3 4 0 x
x 11 0 10 0 10
4 5 0 4 6 x
4 5 3 x 0 4
4 2 0 x 3 1
4 x 0 4 3 1
4 x 0 4 6 4
4 2 3 x 3 x
x 11 0 10 12 x
About Ab dim7
The notes of Ab dim7 are Ab (root), Cb (minor third), Ebb (diminished fifth) and Gbb (diminished seventh). In scale degrees above the root, the formula is 1 – b3 – b5 – bb7. It is symmetrical: its four notes are three semitones apart, so the same shape repeats every three frets and works for four different chords.
On guitar, Ab dim7 has 3 common shapes: the E, D and A shapes. These are CAGED system shapes, the basis for playing the same chord anywhere on the neck. There are 25 more voicings sorted by difficulty; use the viewer switches to add inversions and stretches. Ab dim7 is also written as G# dim7: the same chord with the root spelled differently, and it sounds identical. The more common spelling is G# dim7.