The Helleberg Series is named for August Helleberg, the principal tubist in the Sousa Band. The Model 120-S mouthpiece produces excellent volume with a deep, organ-like tone.
PM Music Center - Conn-Selmer 120-7B 7B Helleberg Tuba Mouthpiece
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Conn-Selmer 120S Helleberg Standard Tuba Mouthpiece
Conn-Selmer, Inc. Tuba Mouthpiece, Silver (120S
CONN-Tubamundstück Helleberg 120S
Conn-Selmer, Inc. Tuba Mouthpiece, Silver (120S
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Conn 120S Helleberg Tuba Mouthpiece
Conn-Selmer, Inc. Tuba Mouthpiece, Silver (120S
Music & Arts 2018-2019 Educator Catalog by Music & Arts - Issuu
C.G. Conn 120S UMI Helleberg Standard Tuba Mouthpiece
King Music Inc - Conn 1207B Helleberg Tuba Mouthpiece 7B
C.G. Conn 120S UMI Helleberg Standard Tuba Mouthpiece