C Major 7th (♭5) :: C E G♭ B

B
F♯
D
A
7
♭5
C
3
7
C
♭5
3
7
C
♭5
3
7
♭5
3
C
⬤ ⬤
7
♭5
⬤ ⬤
A Minor 7th :: A C E G

B
F♯
D
A
A
♭3
♭7
5
A
♭3
5
♭7
♭3
A
5
♭7
A
5
♭3
♭7
⬤ ⬤
A
⬤ ⬤