CHI Brass 4023 Helleberg Heavyweight Tuba Mouthpiece

Big Sound. Maximum Stability. The CHI Brass 4023 Heavyweight Tuba Mouthpiece takes the proven performance of the standard 4023 and adds additional mass for enhanced stability, projection, and tonal authority. Designed for performers who demand a powerful orchestral presence, the 4023 Heavyweight delivers a broad, resonant sound with remarkable clarity and control. The added mass helps create a more centered pitch core while reducing unwanted vibration, resulting in increased consistency throughout the instrument's range and enhancing the fundamental and low overtones. Performance Characteristics The 4023 Heavyweight excels in large ensemble settings where projection and tonal density are essential. Despite its substantial sound, the mouthpiece remains responsive and flexible, allowing players to shape phrases with confidence and precision. Sound Characteristics Massive orchestral sound Enhanced projection Stable pitch center Strong low register Excellent tonal focus Heavy lower overtones Secure articulation response Recommended For Ideal Applications Symphony Orchestra Wind Ensemble Brass Band Professional Performance Recording Sessions Ideal Instruments CC Tuba BBb Tuba Large 5/4 and 6/4 Tubas Specifications OAL: 3.754″ Max OD: 1.877″ 47.8028 mm Cup ID @0.060: 1.312″ 33.33 mm Throat Size: 0.32” 8.22 mm Shank: Standard 0.530″, A 0.525″ or E 0.540” If Gold Plate desired please email us for current market pricing Gold, Special Order or marked or damaged Mouthpieces are not returnable Why Choose CHI Brass? Every CHI Brass mouthpiece is manufactured to exacting standards in the U.S. with a focus on consistency, response, comfort, and tonal beauty. Developed in collaboration with leading performers and educators, CHI Brass mouthpieces are trusted by musicians around the world for their precision, reliability, and exceptional musical results. Command the Ensemble The CHI Brass 4023 Heavyweight is designed for performers who want maximum tonal authority while maintaining the flexibility required by today's demanding repertoire.