Bach
Bach 1¼GM
Cup diameter
27.50
mm
Cup depth
Very deep
cup geometry
Throat diameter
8.10
mm
Shank
large
About this mouthpiece
The Bach 1¼GM is a trombone mouthpiece with a 27.50mm cup diameter and very deep cup depth.
Rim
comfort
The part touching the player's lips. Width and curvature affect endurance, comfort, and flexibility.