Yamaha TR-11A5
TrumpetIn Production
Precision Specifications
RIM DIAMETER16.38 mm
CUP DEPTHShallow
THROAT ∅3.65 mm
BACKBOREWide
SHANKLarge backbore for rich upper range; suited for piccolo.5
CUP SHAPE—
Rim Widthwide
Rim Contoursemi-flat
Throat Drill #—
Materialbrass
FinishSilver plated
Weight—
Recommended For
All Around
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Reference Notes
Yamaha TR-11A5 appears in the Trumpet catalog section with 16.38 mm rim, Shallow cup, 3.65 mm throat, Wide backbore, and Large backbore for rich upper range; suited for piccolo.5 shank. Database tags list it for All Around use. 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.
Brand Deep Dive
Yamaha · BrassFit Science
Yamaha Mouthpiece Guide
Yamaha mouthpiece numbering, cup families, and instrument-specific selection guide.