Miraphone BB289-4V Lacquer BBb Tuba

– Bell diameter 470 mm (18,504 inch)
– 5/4
– rotary valves
– ergonomic
– Bore of valve section conical 20,4 – 21,2 mm (0,803 – 0,835 inch)
– spiral spring system
– nickel silver wreath
– Mouthpiece TU33