Tuba Tuba Mouthpiece LASKEY 28G mouthpiece Old engraving The following is quoted: 28 Series (products whose names start with 28) This series was made with compactness in mind. It is easy to control and has the advantage of reducing air consumption. Familiarity is needed with the amount of resonance and ease of playing in the low register compared to mouthpieces with larger rims. Rim inner diameter: 32.51mm Throat diameter: 8.02mm G type (model name ends with G) For B♭/C tubas (also used on E♭ tuba) This type is based on the mouthpiece of Fred Geib, who was active in New York, and is also called the Geib style. It has a similar structure to the H type, but the difference is that the bottom of the cup is slightly rounded, providing a slight resistance. It has a versatile design that doesn't require much consideration for instrument compatibility, and it is possible to use various types of sounds.