Model GM Cup Alternative Materials Based on our battle-tested Model

Based on our battle-tested Model CV paired with our Rim R

or an American Shank M

controlled sound

converted pieces are not eligible for return

Model GM Cup Alternative Materials Based on our battle-tested ModelMajor Symphony Audition Winner Patrick Walle used this mouthpiece to win the utility horn audition for the Detroit Symphony! By pure technical specification, it's just a 19 bore GS, or an American Shank M, or a slightly deeper G. The GM though is a situation where the sum of its parts isn't the full story. What it is a control mouthpiece that lets you control control volume and color with more independence than any cup I've tested before. You can