New York Collection WD24 Tuba
Inner Diameter = 1.285" or 32.639 mm
Rim Width = .300" or 7.620 mm
Cup Depth = 1.560" or 39.624 mm
Bore Size = .380" or 9.652 mm
This is a very large "C" shaped cup. The bore is also quite large as is the back bore. The rim is wide with a soft bite.
