Bach 5GS 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: 5GDepth of Cup: MediumApprox. Cup Diameter: 25.50mmRim Shape: Medium Wide, Semi-FlatDescription: For players with good, natural embouchures. Rather large cup. Produces a full, mellow, sonorous tone. Same as No. 5 but with larger "G" throat and #420 backbore.