Bach
Bach 4GB
Cup diameter
26.00
mm
Cup depth
Very deep
cup geometry
Throat diameter
7.01
mm
Shank
large
About this mouthpiece
The Bach 4GB is a trombone mouthpiece with a 26.00mm cup diameter and very deep cup depth.
Rim
comfort
The part touching the player's lips. Width and curvature affect endurance, comfort, and flexibility.