JK (Josef Klier)
3DK
One PieceK-Series
Official source link providedPrice basis: RetailerLast checked: Jan 29, 2026
Specifications
Cup Diameter
17.00mm
16.50mm18.50mm
Cup Depth
Medium
Cup Shape
funnel
Bore Size
4.20mm
3.80mm4.80mm
Rim Shape
Round
Other Brand Similar Specs
Spec proximity does not guarantee actual feel or tone. Trying before purchase is recommended.
Breslmair 1D3-SMedium Similarity
Cup Diameter: SameBore: +0.10mmCup shape data unavailable
Specs used: 4 / missing: 1
Breslmair 2D3-SMedium Similarity
Cup Diameter: SameBore: +0.10mmCup shape data unavailable
Specs used: 4 / missing: 1
Breslmair 3D3-SMedium Similarity
Cup Diameter: SameBore: +0.10mmCup shape data unavailable
Specs used: 4 / missing: 1
Engelbert Schmid 5.5Medium Similarity
Cup Diameter: SameBore: SameCup Depth: medium → medium deepCup shape data unavailable
Specs used: 4 / missing: 1
Tilz (Bruno Tilz) E.Schmid 55Medium Similarity
Cup Diameter: SameBore: SameCup Depth: medium → medium deepCup shape data unavailable
Specs used: 4 / missing: 1
Yamaha HR-SOMMERVILLELow Similarity
Cup Diameter: -0.07mmBore: +0.10mmCup shape differs
Specs used: 5 / missing: 0
Engelbert Schmid 6Low Similarity
Cup Diameter: SameBore: +0.20mmCup Depth: medium → deepCup shape data unavailable
Specs used: 4 / missing: 1
Tilz (Bruno Tilz) E.Schmid 6Low Similarity
Cup Diameter: SameBore: +0.20mmCup Depth: medium → deepCup shape data unavailable
Specs used: 4 / missing: 1
Schilke 30C2Low Similarity
Cup Diameter: +0.03mmBore: +0.19mmCup Depth: medium → medium deepCup shape data unavailable
Specs used: 4 / missing: 1
Other Models by JK (Josef Klier)
Where to Find
This site does not sell mouthpieces. Links are provided for reference only. Please verify prices and availability directly with retailers.