willie's Custom Brass Willie's Trombone Mouthpiece Espritr Series Large Bore GP Finish (Esprit)

A very well-balanced 6-1/2A with a pure French taste. The esprit 7 is a model with a throat that is widened to 7.0 mm, and the esprit 7 J is a model equipped with a J rim. Supervisor: Kazuyoshi Wakasa (Professor at Elisabeth University of Music) GP finish, rim diameter 25.40 (mm), throat diameter 6.90 (mm)