Yamaha
HR-30C4
One Piece
Official source link providedPrice basis: RetailerLast checked: Jan 29, 2026
Medium inner rim diameter and U cup for fast response with powerful, rich tone.
Specifications
Cup Diameter
17.28mm
16.88mm18.08mm
Cup Depth
Medium
Cup Shape
U
Bore Size
3.98mm
3.90mm4.50mm
Rim Shape
Medium
Other Brand Similar Specs
Spec proximity does not guarantee actual feel or tone. Trying before purchase is recommended.
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Cup Diameter: -0.03mmBore: +0.47mmCup shape data unavailable
Specs used: 4 / missing: 1
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Breslmair 1E3-SMedium Similarity
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Specs used: 4 / missing: 1
Breslmair 2E3-SMedium Similarity
Cup Diameter: +0.02mmBore: +0.32mmCup shape data unavailable
Specs used: 4 / missing: 1
Breslmair 1E4-SLow Similarity
Cup Diameter: +0.02mmBore: +0.32mmCup Depth: medium → medium deepCup shape data unavailable
Specs used: 4 / missing: 1
Breslmair 2E4-SLow Similarity
Cup Diameter: +0.02mmBore: +0.32mmCup Depth: medium → medium deepCup shape data unavailable
Specs used: 4 / missing: 1
Breslmair 3E4-SLow Similarity
Cup Diameter: +0.02mmBore: +0.32mmCup Depth: medium → medium deepCup shape data unavailable
Specs used: 4 / missing: 1
Alexander 21Low Similarity
Cup Diameter: +0.22mmBore: +0.02mmCup shape data unavailable
Specs used: 4 / missing: 1
Other Models by Yamaha
Where to Find
This site does not sell mouthpieces. Links are provided for reference only. Please verify prices and availability directly with retailers.