Bach 6.5AL Tenor Trombone/Euphonium Mouthpiece, Small Shank

Vincent Bach was a rare combination of artist and engineer. He was constantly changing his mouthpiece designs until the mid 1960’s when they became more standardized.Model Number: 6.5ALDepth of Cup: Medium DeepApprox. Cup Diameter: 25.40mmRim Shape: Medium Wide, well rounded.Description: The same rim and cup as No. 61⁄2A, 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.