The
3 row C-system Hybrid layout.
C, and F, tone have profiled buttons for
orientation
Row
1, 2, and 3 are identical to chromatic
accordion layout ( C-first row
)
B- system and Russian B- system lay out are possible to
Picture below shows the C -system 3-row lay out front view

Home Professional bandonion 142 tone Concertinas C-system hybrid bandonion prof.mod. Soft bags
Student bandonion 142 tone Foot bass Links Repairs C-system basic model