AccordionLab

Model Superior 2
Keys 41, Bass 120
Treble/bass reeds 4(2+2)/5
Treble/bass registers 11+M+M/7

Model Champion
Keys 43, Bass 140
Treble/bass reeds 4(2+2)/5
Treble/bass registers 11+M/7

Model Romana III (IV Piccolo, Musette)
Keys 34, Bass 72
Treble/bass reeds 3/4 (4/5, 4/5)
Treble/bass registers 5/2 (9/2, 9/2)

Model Oxford III (IV Piccolo, Musette)
Keys 37, Bass 96
Treble/bass reeds 3/5 (4/5, 4/5)
Treble/bass registers 7/2 (11/2, 11/2)

Model Berkeley III (IV Piccolo, Musette)
Keys 41, Bass 120
Treble/bass reeds 3/5 (4/5, 5/5)
Treble/bass registers 7+M/5 (11+M/5, 13+M/5)