The Classic "Filed Cut" line and the Jazz "Unfiled Cut" line are different in structure and shape so as to give distinct timbre responses, suitable for performers who enjoy a variety of musical genres.
The Classic "Filed Cut" line is for classical musicians, but some prefer to use them for Jazz as well; a "Filed Cut" reed provides a brighter tone and is more free-blowing.
The Jazz "Unfiled Cut" line is for musicians who prefer modern sounds and Jazz, an "Unfiled Cut" reed provides a darker tone and more resistance.

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