JK CLASSIC EXCLUSIVE Bb-Tuba Mouthpiece 4A

JK CLASSIC EXCLUSIVE mouthpiece Bb-Tuba 4A, rim diameter: 49,0mm, cup diameter: 32,5mm, depth of cup: deep, bore: 8,4mm The new conical shaped cups of the Exclusive Classic Tuba Line have been developed from scratch. Their large, well-balanced sound and excellent response across all registers is not just a sonic extension of the existing Exclusive series with its apple shaped cup design. The rim contours have been retained in the new Exclusive Classic line, making it easy to switch between the two mouthpiece series.