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”

• A $25 cleaning, polishing and restocking fee applies on any returned mouthpiece

• 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.