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.
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.
Massive orchestral sound
Enhanced projection
Stable pitch center
Strong low register
Excellent tonal focus
Heavy lower overtones
Secure articulation response
Symphony Orchestra
Wind Ensemble
Brass Band
Professional Performance
Recording Sessions
CC Tuba
BBb Tuba
Large 5/4 and 6/4 Tubas
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”
Gold, Special Order or marked or damaged Mouthpieces are not returnable
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.
The CHI Brass 4023 Heavyweight is designed for performers who want maximum tonal authority while maintaining the flexibility required by today's demanding repertoire.
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