Josef Klier - "Exclusive" Series Tuba Mouthpieces

Options/Customisations available

  • Perspex
  • Plastic rim, silver body
  • Silver plated rim, perspex body
  • Gold plated rim, perspex body
  • Plastic rim, perspex body
    • Shank (mm)
      • 13.5 (standard)
      • 12.5

    Model table
    Backbore: A2 (Average)


    Bore (mm) 8.6 8.4
    T1 50
    T2 50 33.5 2AA 2A 2B 2C 2D 2E
    T3 49 33 3AA 3A 3B 3C 3D 3E
    T4 49 32.5 4AA 4A 4B 4C 4D 4E
    T5 48 32 5AA 5A 5B 5C 5D 5E
    T6 48 31.5 6AA 6A 6B 6C 6D 6E
    T7 47 31 7A
    7B 7C 7D 7E
    T8 47 30.5 8B 8C 8D 8E
    T9 46 30 9C 9D 9E

    About the JK Exclusive Series

    Many producers of mouthpieces use model designations, which provide only insufficient information about cup diameter, cup depth and rim contour. At an early stage, Roland Klier noticed the disadvantages of these model designations which resulted for the brass player looking for a mouthpiece.

    In 1964, along with the Exclusive Line, he drafted a logical and easy-to-understand system of designation, which enabled the player to recognize all relevant data from the model number at first glance. In addition, he develops a revolutionary concept of combining cup, bore and back bore, allowing the usage of Klier mouthpieces in every musical style.

    The exceptionally large selection that the Exclusive Line offered provided every brass player the possibility to find his personal mouthpiece. Moreover, the rim contours of trumpet, cornet and flugelhorn mouthpieces with the same cup diameter are identical. This allows the player to quickly switch without any difficulty.

    The unique outer shape of the Exclusive series is the result of numerous tests which had the aim of elaborating the optimum weight of the mouthpiece. It has established itself as a distinctive feature of the JK Exclusive series. The Exclusive Export Line is an enhancement of the Exclusive series. The rim diameter and shape are identical to those of the Exclusive series, allowing hassle-free switching between the series.

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