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Yamaha CR-11C4S

TrumpetIn Production
Precision Specifications
RIM DIAMETER16.46 mm
CUP DEPTHMedium
THROAT ∅3.65 mm
BACKBORESemi-narrow
SHANKShort
CUP SHAPE—
Rim Widthstandard
Rim Contoursemi-flat
Throat Drill #—
Materialbrass
FinishSilver plated
Weight—

Recommended For

Student

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Resistance5/10
Rim Comfort5/10
Brightness5/10

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Reference Notes

Beginner's favorite; same rim as 11C4 trumpet. 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.

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Brand Deep Dive

Yamaha · BrassFit Science
Yamaha Mouthpiece Guide
Yamaha mouthpiece numbering, cup families, and instrument-specific selection guide.
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