The Yamaha B89-TR-11C4 has a medium C-cup with the same rim diameter as the 11B4, producing a warmer, fuller sound that blends well in orchestral and wind band settings. It’s widely used as an all-round orchestral mouthpiece.
Specifications
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Model Code: B89-TR-11C4
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Instrument: Trumpet
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Cup Depth: Medium (C cup)
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Inner Rim Diameter: 16.46 mm
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Throat Size: 3.65 mm (#27)
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Tone: Rich, full, blends well in ensembles
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Recommended For: Intermediate to professional players


















