Shires 3D
TrumpetIn Production
Precision Specifications
RIM DIAMETER16.3 mm
CUP DEPTHShallow
THROAT ∅3.66 mm
BACKBORE—
SHANKstandard
CUP SHAPE—
Rim Width—
Rim Contour—
Throat Drill #27
Material—
Finish—
Weight—
Recommended For
LeadCommercialAll Around
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Reference Notes
S.E. Shires trumpet mouthpiece, model 3D. Precision-machined to Shires' published measurement specifications. 16.30mm rim diameter with shallow cup depth and 3.66mm throat. Verified against seshires.com measurement tables. Use these measurements as a comparison starting point: fit and response still depend on the player, dental structure, instrument receiver, and each manufacturer's measuring method.