E diminished major 7th chord on guitar (EdimMaj7)

Also called or written EdimMaj7, EdimM7, E°M7, E augmented minor seventh or E minor seventh sharp five

E diminished major 7th is built from E, G, B♭ and D♯. The open shape uses two open strings and mutes the B and high e.

EB♭D♯GEADGBE
Positions on the neck1 of 5
Practice E diminished major 7th chord

How it is built

ERootGMinor thirdB♭Diminished fifthD♯Major seventh

Formula 1, ♭3, ♭5, 7

Inversions
  • Root positionE–G–B♭–D♯EdimMaj70-1-1-0-×-×
  • First inversionG–B♭–D♯–EEdimMaj7/G3-1-1-0-×-0
  • Second inversionB♭–D♯–E–GEdimMaj7/B♭×-1-1-0-×-0
  • Third inversionD♯–E–G–B♭EdimMaj7/D♯×-×-13-12-11-12

How do you play an E diminished major 7th chord on guitar?

E diminished major 7th is played in open position as 0 1 1 0 × ×: index finger on the A string at fret 1 and middle finger on the D string at fret 1. The low E and G strings ring open. The B and high e strings stay muted.

Full note and interval breakdown
StringFretFingerNote
6 (E)openE (1)
5 (A)11B♭ (♭5)
4 (D)12D♯ (7)
3 (G)openG (♭3)
2 (B)muted
1 (e)muted

AdvancedThe index and middle fingers must fret adjacent strings at the same fret without muting the open G, while the B and high e strings stay silent.

2nd fret

E diminished major 7th is played at the 2nd fret as × × 2 3 4 3: index finger on the D string at fret 2, middle finger on the G string at fret 3, pinky finger on the B string at fret 4 and ring finger on the high e string at fret 3. The low E and A strings stay muted.

Full note and interval breakdown
StringFretFingerNote
6 (E)muted
5 (A)muted
4 (D)21E (1)
3 (G)32B♭ (♭5)
2 (B)44D♯ (7)
1 (e)33G (♭3)

7th fret

E diminished major 7th is played at the 7th fret as × 7 8 8 8 ×: index finger on the A string at fret 7, middle finger on the D string at fret 8, ring finger on the G string at fret 8 and pinky finger on the B string at fret 8. The low E and high e strings stay muted.

Full note and interval breakdown
StringFretFingerNote
6 (E)muted
5 (A)71E (1)
4 (D)82B♭ (♭5)
3 (G)83D♯ (7)
2 (B)84G (♭3)
1 (e)muted

12th fret

E diminished major 7th is played at the 12th fret as 12 13 13 12 × ×: index finger on the low E string at fret 12, ring finger on the A string at fret 13, pinky finger on the D string at fret 13 and middle finger on the G string at fret 12. The B and high e strings stay muted.

Full note and interval breakdown
StringFretFingerNote
6 (E)121E (1)
5 (A)133B♭ (♭5)
4 (D)134D♯ (7)
3 (G)122G (♭3)
2 (B)muted
1 (e)muted

EdimM7/G inversion

E diminished major 7th is played in open position as 3 1 1 0 × 0: ring finger on the low E string at fret 3, index finger on the A string at fret 1 and middle finger on the D string at fret 1. The G and high e strings ring open. The B string stays muted.

Full note and interval breakdown
StringFretFingerNote
6 (E)33G (♭3)
5 (A)11B♭ (♭5)
4 (D)12D♯ (7)
3 (G)openG (♭3)
2 (B)muted
1 (e)openE (1)

Why it sounds like that

E diminished major 7th uses the formula 1, ♭3, ♭5, 7. The diminished 5th between E and B♭ creates a tritone, and the major 7th D♯ is the leading tone. Compare it to E minor 7th flat 5th, which lowers the 7th to D.

What goes wrong with E diminished major 7th?

  • Letting the B string ring open and clash with the chord.
  • Flattening the middle finger onto the G string and muting the ♭3.

When to use it

E diminished major 7th appears in E minor progressions as a passing chord, often moving to E minor or E major 7th. The leading tone D♯ pulls to E, so use it before an E major cadence. It suits bluesy jazz and dramatic rock.

Changing to and from E diminished major 7th

  • Sliding the shape up one fret to the 2nd fret gives F diminished major 7th.

Which voicing to use

The open shape keeps the bass on E and is the easiest to grab. The 2nd fret shape repeats the voicing an octave higher, while the 12th fret adds a brighter register for solos.

Other E chords

Common questions

How is E diminished major 7th written?

E diminished major 7th is written E°M7 or EdimM7.

What is the difference between E diminished major 7th and E minor 7th flat 5th?

E diminished major 7th has a major 7th, D♯. E minor 7th flat 5th lowers that note to D, giving a dominant-quality chord.

Why does E diminished major 7th sound so unstable?

The diminished 5th between E and B♭ creates a tritone, and the major 7th D♯ sits a semitone below the octave. Both intervals demand resolution.