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Cortex,
for 2 Trumpet mouthpieces
The JK Exclusive Line, created by Roland Klier in 1964, features an intuitive labeling system that clearly indicates cup diameter, cup depth, and rim contour. This extensive range of mouthpieces caters to various musical styles. Consistent rim contours facilitate easy switching between trumpet, cornet, and flugelhorn. The Exclusive Export Line extends the series, tailored for symphonic wind music and brass bands.

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