Guitar chord · Sevenths

A♭ diminished 7th chord on guitar

4A♭3C♭E𝄫1A♭C♭2G𝄫

420101 · Open position
All 6 shapes, tab & fingering ↓

6 ways to play A♭dim7 on guitar, with finger positions, tabs and step-by-step instructions.

Symmetrical and very tense — every note is a minor 3rd apart.

A♭dim7 is the vii°7 chord in A minor.

Spell as G♯dim7
Notes
A♭C♭E𝄫G𝄫
Formula
1♭3♭5𝄫7
Built from
root · minor 3rd · diminished 5th · diminished 7th

Guitar

Standard tuning (E A D G B E) · 6 voicings · E string on the left · Other tunings →

4A♭3C♭E𝄫1A♭C♭2G𝄫

How to play it · Open position

  1. 6th string (low E): 4th fret, pinky finger (4) A♭
  2. 5th string (A): 2nd fret, ring finger (3) C♭
  3. 4th string (D): play open E𝄫
  4. 3rd string (G): 1st fret, index finger (1) A♭
  5. 2nd string (B): play open C♭
  6. 1st string (high E): 1st fret, middle finger (2) G𝄫

Tablature

e|--1---|
B|--0---|
G|--1---|
D|--0---|
A|--2---|
E|--4---|

Top line is the high E string. x = don’t play, 0 = open string.

Every A♭dim7 note on the guitar neck

Bright dots are the selected voicing — the rest are other places you can find the same chord tones.

EADGBe123456789101112131415𝄫7R♭3♭5𝄫7♭3♭5𝄫7R♭3♭5𝄫7R♭3♭5𝄫7R♭3♭5𝄫7R♭3♭5𝄫7R♭3♭5𝄫7R♭3♭5𝄫7

Tips for playing A♭dim7 on guitar

On guitar, A♭dim7 has an open-position shape, 420101, using four fingers alongside the open strings.

Notice the C♭ in A♭dim7 (A♭ C♭ E𝄫 G𝄫): each note of the chord takes its own letter (A–C–E–G), so the minor 3rd has to be written C♭ rather than B — the same key on a piano, spelled to fit the chord.

A♭dim7 guitar chord diagram (A♭ diminished 7th)
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