Giardinelli
Giardinelli 4D
Cup diameter
25.40
mm
Cup depth
Deep
cup geometry
Throat diameter
6.40
mm
Backbore
1/4" (.250)
Shank
large
About this mouthpiece
The Giardinelli 4D is a trombone mouthpiece with a 25.40mm cup diameter and deep cup depth.
Rim
comfort
The part touching the player's lips. Width and curvature affect endurance, comfort, and flexibility.