Munnstykke Trombone Bach 6.5AL Small

6.5AL Medium deep 25.40 mm Medium wide,  well rounded. The same rim and cup as No. 6.5A, but with a larger “G” throat and #420 backbore for trombonists who strive for a Teutonic tone quality. Recommended for euphonium players who desire a round, mellow tone of great carrying power and
substantial volume