Root on A string
x-11-12-x-12-13
A♭dim7 is the A♭ diminished 7 chord. Its notes are A♭, C♭, E♭♭ and G♭♭. It is the same chord as G♯dim7. Stacked minor thirds. Its symmetrical sound makes it useful as a passing chord.
x-11-12-x-12-13
Numbers show frets from the low E string to the high e string; x means don't play that string.
Every A♭, C♭, E♭♭ and G♭♭ on the first 12 frets. The filled dots are the root, A♭. Build your own shape from any nearby group.
Other A♭ chords
Other diminished 7 chords