MTP
2426

F tuba, 6 rotary valves (4+2)

B&S
3099/

Perantucci F tuba, 5 rotary valves

MELTON
MW2250

F tuba piston valves

B&S
3100

Perantucci F tuba, 6 rotary valves

YAMAHA
YFB-822.

F tuba CUSTOM serie