The CHI Brass JCS Helleberg combines the attributes of classic Sear Helleberg, Arnold Jacobs modifications and the Floyd Cooley designed rim. The JCS is essentially our JS Helleberg with Floyd Cooley's rim added for those desiring a more rounded rim on a large Helleberg. Designed for players who demand dependable performance in a variety of musical settings, the JCS offers excellent articulation, flexibility, clarity, projection, and tonal focus.
Its balanced characteristics make it a versatile choice for performers at every level.
Focused tone center
Clean articulations
Excellent projection
Efficient response
Stable intonation
Consistent performance across registers
Flexible dynamic range
Symphony Orchestra
Concert Band
Wind Ensemble
Brass band
CC Tuba
BBb Tuba
OAL: 3.756″
Max OD: 1.930″ 49.02 mm
Cup ID @0.060: 1.326″ 33.68 mm
Throat Size: 0.330” 8.38 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 JCS Helleberg provides the clarity, consistency, and flexibility that serious performers demand from a professional mouthpiece.
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