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The Helleberg Series tuba mouthpieces are named for August Helleberg, the principal tubist in the Sousa Band. The Model (Standard) 120-S mouthpiece produces excellent volume with a deep, organ-like tone, while the Model 7B produces a brighter tone with more volume.
Conn Helleberg Series Tuba Mouthpiece Silver Standard

WARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer, and to cause birth defects or other reproductive harm. For more information go to

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