Cornet 3B Heavy Top Mouthpiece Silver Plate

Diameter: 26.84 mm
Cup Diameter: 16.75 mm
Rim Width: 5.05 mm
Bore Size: 4.27 mm
Back Bore: V-type  

Heavytop models use a completely different principle in not feeding back to the player the vibration of the instruments, transmitting all the energy through the bell. This gives a much more powerful sound when needed, more security in the high register and more control and focus in all registers.