The Yamaha B89-TR-7A4 is a trumpet mouthpiece with a shallow A-cup and a medium-small rim diameter, designed for players who want easy high-register response, bright tone, and crisp articulation. It offers a balance between comfort and projection, making it especially suitable for lead trumpet and commercial playing.
Specifications
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Model Code: B89-TR-7A4
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Instrument: Trumpet
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Series: Standard / Lead design
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Rim Shape: Semi-flat, comfortable
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Cup Depth: Shallow (A cup)
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Inner Rim Diameter: Approx. 16.20 mm
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Throat Size: 3.65 mm (#27)
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Backbore: Medium
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Tone: Bright, focused, great for upper register
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Recommended For: Lead trumpet, jazz, and commercial players needing projection and endurance
