Yamaha
Yamaha BB-66D4
Cup diameter
31.49
mm
Cup depth
Deep
cup geometry
Throat diameter
8.87
mm
Backbore
Semi-wide
Shank
large
About this mouthpiece
The Yamaha BB-66D4 is a tuba mouthpiece with a 31.49mm cup diameter and deep cup depth.
Rim
comfort
The part touching the player's lips. Width and curvature affect endurance, comfort, and flexibility.