Diameter: 37.92 mm
Cup Diameter: 25.00 mm
Rim Width: 6.46 mm
Bore Size: 6.66 mm
Back Bore: V-type
Medium bore trombone. Perfect mouthpiece for beginners.
The super-efficiency of the cup curvature and throat blend give an enormously rich sound for such a small mouthpiece. Preferred by Ian Bousfield for alto work. Makes the Rath R1 sound like a large bore trombone.
Beginners can make a real trombone sound