Cup Diameter: 32.50 mm, Medium depth
Rim: 7.6 mm, Narrow with clearly defined inner edge
Bore: 8.40 mm
Resistance: Free-blowing
Shank: Large

Model 45 is the ultimate realization of classic American mouthpiece philosophy. All desirable factors concerning sound quality, resonance, large dynamic range, tonal modulation, facility and efficiency are combined toward the “great mouthpiece for every musical environment” objective. Cup diameter, cup volume and throat bore are large. Shell weight and resistance are balanced for ease of execution.