Yamaha TR-13A4a Trumpet Mouthpiece

The Yamaha B89-TR-13A4a is one of Yamaha’s most famous lead mouthpieces. With a shallow A-cup, comfortable rim, and slightly larger inner diameter, it offers exceptional brilliance, endurance, and efficiency in the upper register. A top choice for professional lead trumpet players in big band, jazz, and commercial music.

Specifications

• Model Code: B89-TR-13A4a

• Instrument: Trumpet

• Cup Depth: Shallow (A cup)

• Inner Rim Diameter: 16.88 mm

• Throat Size: 3.65 mm (#27)

• Tone: Bright, powerful, efficient for high-register playing

• Recommended For: Lead trumpet, professional commercial work