Yamaha YTR-4335 GII

Essential Information About the Yamaha 4000 Series Trumpet

• 2-piece rose brass bell: a richer timbre, a wider palette of tonal colors, and a pleasant response.


• Enhanced projection: slightly heavier buttons and caps for increased power and presence.


• Design inspired by professional models: tuning slides manufactured using a method close to high-end models for smoother and more stable action.


• Durability and reliability: Monel alloy pistons and carefully crafted piston block for regular use in music schools or orchestras.

A Yamaha Trumpet Designed for Study, with Ambitious Manufacturing Choices

With this Yamaha 4000 series trumpet, the Japanese brand focuses on the essentials: stable intonation, easy response, and a rewarding sound from the first years of practice. This series stands out through both technical and sonic improvements, notably in the manufacturing of the bell and tuning slides. The result: an instrument that maintains the "student trumpet" spirit while offering a more mature playing feel, ideal for progressing without feeling limited.

Who Is This Model For?

This B-flat trumpet is primarily aimed at beginner to intermediate musicians seeking a serious instrument for conservatories, music schools, brass bands, or wind orchestras. Its balance between playing comfort and projection makes it a good choice for styles where the trumpet must "carry": classical, pop, film music, brass band, and early steps in jazz. The ML bore and standard design facilitate the player's adaptation while maintaining enough responsiveness to work on dynamics and endurance.

Sound and Design

The strength of this model lies in its 2-piece rose brass bell: this copper-dominant alloy promotes a warmer sound, with expressive midrange and a sense of harmonic richness. The specified material thickness contributes to a more "held" sound and better stability, useful when working on attack precision and consistency. The heavier buttons and caps contribute to a more assertive projection and a better-controlled sense of power, without hardening the response.

Mechanically, the Monel alloy pistons are appreciated for their durability and consistency over time. The tuning slides (main and half-tone) manufactured using a method close to professional models provide a smoother action and better stability, helping to maintain clean playing and more regular intonation. Finally, the brace on the main tuning slide reinforces the structure: less sound dispersion, a more centered sound, and an increased sense of precision.

Recommended Compatible Accessories

The trumpet comes with a Yamaha TR11B4 mouthpiece and a TRC-400EII case. A useful addition (with no compatibility risk) is a trumpet maintenance kit: piston oil, slide grease, and appropriate cleaning brushes to preserve the fluidity of the Monel pistons and the smoothness of the tuning slides.

Technical specifications

Level	Student	Color	Yellow
Tone	Bb	Finishing	Varnished
Body material	Varnished brass

Key	B-flat	Piston block	1-piece light alloy
Bore	ML 11.65 mm	Piston material	Monel alloy
Bell	rose brass, 2 pieces	Top and bottom caps	nickel silver (maillechort)
Bell diameter	123 mm	Ring on the 3rd slide	fixed
Receiver	standard	Main tuning slide	1 brace
Leadpipe	standard	Water key	natural cork
Body	standard design	Finish	lacquered