Yamaha
Yamaha BB-67B4
Cup diameter
32.06
mm
Cup depth
Shallow
cup geometry
Throat diameter
7.02
mm
Backbore
Standard
Shank
large
About this mouthpiece
The Yamaha BB-67B4 is a tuba mouthpiece with a 32.06mm cup diameter and shallow cup depth.
Rim
comfort
The part touching the player's lips. Width and curvature affect endurance, comfort, and flexibility.