Yamaha TR-13B4
TrumpetIn Production
Precision Specifications
RIM DIAMETER16.63 mm
CUP DEPTHMedium Shallow
THROAT ∅3.65 mm
BACKBOREStandard
SHANKSuperb clarity for large ensembles and C trumpets.12
CUP SHAPE—
Rim Widthstandard
Rim Contoursemi-round
Throat Drill #—
Materialbrass
FinishSilver plated
Weight—
Recommended For
StudentAll Around
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Reference Notes
Yamaha TR-13B4 appears in the Trumpet catalog section with 16.63 mm rim, Medium Shallow cup, 3.65 mm throat, Standard backbore, and Superb clarity for large ensembles and C trumpets.12 shank. Database tags list it for Student and 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.