Conn Helleberg 120S Tuba Mouthpiece – Backstage Music Network
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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.
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Conn Helleberg 120S Tuba Mouthpiece
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C.G. Conn Helleberg Series Tuba Mouthpiece - 120
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Music & Arts 2018-2019 Educator Catalog by Music & Arts - Issuu
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Tuba Mouthpiece C.G. Conn Helleberg Series 120S Pre Owned Marching
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BARITONE & TUBA ACCESSORIES – Backstage Music Network
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Tuba Mouthpiece C.G. Conn Helleberg Series 120S Pre Owned Marching
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C.G. Conn Helleberg Series Tuba Mouthpiece - 120
![](https://image.isu.pub/190227143046-9a6f48aa912dadc92aff1d839c3c0b3d/jpg/page_1_thumb_large.jpg)
Music & Arts 2018-2019 Educator Catalog by Music & Arts - Issuu
![](https://i.etsystatic.com/30937451/r/il/4a1a57/5310698971/il_fullxfull.5310698971_57uc.jpg)
Tuba Mouthpiece C.G. Conn Helleberg Series 120S Pre Owned Marching