Model A is a single distributor machine with one 90-channel main magazine. The machine may be equipped with one or three 34-channel side magazines (A-1 s.m. and A-3 s.m.). Rear removal of main magazine.
All single distributor A machines are convertible into corresponding single distributor models with two or three 90-channel main magazines (B and C). Similarly any of the models may have one or three side magazines.