JK CLASSIC EXCLUSIVE-Bb-Tuba Mouthpiece 1B

JK CLASSIC EXCLUSIVE mouthpiece Bb-Tuba 1B, rim diameter: 50,0mm, cup diameter: 34,0mm, depth of cup: medium, bore: 8,2mm 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.