Shires SL-26
TromboneIn Production
Precision Specifications
RIM DIAMETER25.4 mm
CUP DEPTH37 mm
THROAT ∅7.1 mm
BACKBORE—
SHANKlarge
CUP SHAPE—
Rim Width—
Rim Contour—
Throat Drill #2
Material—
Finish—
Weight—
Recommended For
OrchestralAll Around
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Reference Notes
S.E. Shires trombone mouthpiece, model SL-26. Precision-measured. 25.40mm rim, shallow cup, 7.10mm throat. Verified against seshires.com specification 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.