The Yamaha B89-TR-6A4A is a trumpet mouthpiece designed with a shallow A-cup and a narrow rim diameter, making it ideal for players who need brilliance, precise articulation, and easy access to the upper register. This model is especially favored by lead and commercial trumpet players because it provides a bright, projecting sound and efficient endurance in high-note playing.
Specifications
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Model Code: B89-TR-6A4A
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Instrument: Trumpet
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Series: Standard / Professional range
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Rim Shape: Comfortable, semi-flat
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Cup Depth: Shallow (A cup)
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Inner Rim Diameter: Approx. 16.46 mm
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Throat Size: 3.65 mm (#27)
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Backbore: Medium
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Tone: Bright, focused, excellent for high-register playing
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Recommended For: Lead trumpet, jazz, and commercial players needing power and efficiency in upper range
