willie's Custom Brass Willie's Trombone Mouthpiece Esprit Series Large Bore (Esprit 7 J)

A very well-balanced 6-1/2A with a pure French taste. The esprit 7 is a model with a throat widened to 7.0mm, and the esprit 7 J is a model equipped with a J rim. Supervisor: Kazuyoshi Wakasa (Professor at Elisabeth University of Music) SP finish, rim diameter 25.40 (mm), throat diameter 7.00 (mm), similar to other companies' sizes: Back 6-1/2A