Bach Size 18 Tuba/Sousaphone Mouthpiece

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: 18Depth of Cup: MediumApprox. Cup Diameter: 32.10mmRim Shape: Medium Wide.Description: Bach's best-selling mouthpiece for all-around work. Has an even high register, substantial tone of excellent carrying power.