Cup Diameter: 32.00 mm, Deep well-rounded at bottom
Rim: 7.2 mm, Narrow with clearly-defined inner edge
Bore: 8.7 mm
Resistance: free blowing for exceptional dynamics
Shank: Large

Model 40´s cup width, straight wall and well-rounded elongated cup combined with a large-bore opens up a new world of sound for musicians who perform on the F or Eb tuba. The sound is full noble deeply resonant with substantial volume and projection. Overall balance and efficiency are excellent.Excellent medium-large universal mouthpiece.