Klier Baritone Mouthpiece Exclusive BA 6DB-1 Harald Kobler

Harald Kobler's Signature Mouthpiece for Baritone!
  • Silver-plated JK mouthpiece from the Exclusive series
  • Bore size: 6.0 mm
  • Rim diameter: 38.40 mm
  • Cup diameter: 25.90 mm, cup shape: medium deep
  • B-shank: 11.5 mm
  • Rim contour 6-1 on all H. Kobler signature mouthpieces for easier switching between instruments or mouthpieces
Variants (3)
Klier Mouthpiece for Valve Trombone and Bass Trumpet Exclusive VP 6D-1 Harald Kobler
Klier Tenor Horn Mouthpiece Exclusive TH 6DB-1 Harald Kobler
Klier Trombone Mouthpiece Exclusive P 6DL-1 Harald Kobler
Klier Mouthpiece for Valve Trombone and Bass Trumpet Exclusive VP 6D-1 Harald Kobler
  • Silver-plated JK mouthpiece from the Exclusive series
  • Bore size: 6.2 mm
  • Rim diameter: 38.25 mm
  • Cup diameter: 25.75 mm, cup shape: medium shallow
  • Standard shank: 10.8 mm
  • Rim contour 6-1 on all H. Kobler Signature mouthpieces for easier switching between instruments or mouthpieces
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Klier Tenor Horn Mouthpiece Exclusive TH 6DB-1 Harald Kobler
Klier Tenor Horn Mouthpiece Exclusive TH 6DB-1 Harald Kobler
  • Silver-plated JK mouthpiece from the Exclusive series
  • Bore size: 6.0 mm
  • Rim diameter: 38.25 mm
  • Cup diameter: 25.75 mm, cup shape: medium shallow
  • B-shank: 11.5 mm
  • Rim contour 6-1 on all H. Kobler signature mouthpieces for easier switching between instruments or mouthpieces
109
Klier Trombone Mouthpiece Exclusive P 6DL-1 Harald Kobler
  • Silver-plated JK mouthpiece from the Exclusive series
  • Bore size: 7.1 mm
  • Rim diameter: 38.40 mm
  • Cup diameter: 25.90 mm, Cup shape: Medium shallow
  • L-shank: 12.5 mm
  • Rim contour 6-1 on all H. Kobler Signature mouthpieces for easier switching between instruments or mouthpieces
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Shipping on 20.05.2026
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Delivery on Thursday, 21.05.2026, if you order within  9 Hrs. 5 Min. 
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Klier Exklusive Custom

Josef Klier Signature Mouthpiece H. Kobler for Baritone!

JK Exclusive mouthpieces stand out with large tonal volume, pure tuning, easy response, and precisely calculated resistance in cup design and backbore, ensuring the player good endurance.

The personal sound concepts and wishes of a professional musician like Harald Kobler can only be fulfilled with the highest possible technical precision. That’s why Klier in Diespeck, Middle Franconia, uses computer-controlled CNC lathes to manufacture their JK mouthpieces. Only this production method allows the necessary series accuracy with tolerances in the micrometer range (thousandths of a millimeter) thanks to its high positioning precision.

Unique in the Mouthpiece Sector

The consistent embouchure and cup diameter of each series, as well as the exact and differentiated gradation, enable the musician to achieve any desired style without having to adjust their embouchure. A mouthpiece series with such precise and optimal craftsmanship cannot be found in any other mouthpiece offering.

The Conclusion of Professional Musician Harald Kobler

"In search of a mouthpiece manufacturer who combines quality, innovation, and humanity, I found Klier. Together, we developed a Harald Kobler Signature mouthpiece series for trombone, tenor horn, baritone, and valve trombone / bass trumpet. All mouthpieces have the rim contour 6-1, which greatly facilitates switching between different instruments or mouthpieces.

As a baritone player, I was always looking for a warm, dark, yet centered sound. The BA 6DB-1 H. Kobler combines my wishes for this mouthpiece through the slightly enlarged cup diameter and reinforced outer shape, which especially shines in sustained melodies."

Harald Kobler

About Harald Kobler

Harald Kobler studied at the Tyrolean State Conservatory in Innsbruck with Mato Santek and at the University of Music and Performing Arts Munich with Prof. Michael Stern.

He then held substitute positions with the Philharmonic Orchestra of the City of Augsburg and the two orchestras of the Bavarian Radio.

Since 2007, Harald Kobler has been tenor horn player and trombonist with "Die Innsbrucker Böhmische - das Original." He is also a member of the Inntaler formation "Der harte Kern" from Angerberg, the "Angerberger Bläser," and a soloist with the "Brassband Fröschl Hall."

Through his many years of involvement with the well-known formation "Franz Posch und seine Innbrügger," Kobler significantly contributed to the musical development of this group in Tyrol and beyond.

Kobler toured Belgium with the Bavarian State Opera and is frequently booked as a guest musician by renowned ensembles and formations such as the Bundeswehr Music Corps in Siegburg or "Ernst Hutter & Die Egerländer Musikanten - Das Original." Harald Kobler is a sought-after lecturer at brass seminars, where he focuses especially on embouchure and breathing techniques.

Mouthpieces by Josef Klier - A Sound Beginning!

Features

  • Josef Klier Baritone Mouthpiece
  • JK Exclusive Custom Signature Series
  • Signature Model Exclusive BA 6DB-1 Harald Kobler
  • Bore size: 6.0 mm
  • Rim diameter: 38.40 mm
  • Cup diameter: 25.90 mm
  • Cup shape: Medium deep
  • B-shank: 11.5 mm
  • Silver-plated
  • Made in Germany

Scope of delivery

  • 1 x Klier Baritone Mouthpiece Exclusive BA 6DB-1 Harald Kobler

Specification

  • Product number 00110193
  • Instrument Baritone
  • Cup diameter 25,90
  • Shaft Trombone Baritone (11.5 mm)
  • Colour Silver
  • Cup depth Medium deep

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