Bach

7S

One Piece
Official source link providedPrice basis: RetailerLast checked: Jan 29, 2026

Specifications

Cup Diameter
17.25mm
16.15mm17.60mm
vs. All Models
41% · Average
Cup Depth
Medium
Bore Size
4.65mm
4.50mm4.65mm
vs. All Models
84% · Large
Rim Shape
Narrow
Recommended For
OrchestralDarker SoundFree Blowing
View on official site

Other Brand Similar Specs

Spec proximity does not guarantee actual feel or tone. Trying before purchase is recommended.
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Cup Diameter: +0.05mmBore: -0.35mmCup shape data unavailable
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Cup Diameter: -0.03mmBore: +0.05mmCup Depth: medium → shallowCup shape data unavailable
Specs used: 4 / missing: 1
Yamaha HR-31-GPLow Similarity
Cup Diameter: +0.03mmBore: -0.25mmCup Depth: medium → medium deepCup shape data unavailable
Specs used: 4 / missing: 1
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Cup Diameter: +0.15mmBore: -0.08mmCup shape data unavailable
Specs used: 4 / missing: 1
Yamaha HR-31D4Low Similarity
Cup Diameter: +0.03mmBore: -0.15mmCup Depth: medium → deepCup shape data unavailable
Specs used: 4 / missing: 1
Breslmair 1E4-SLow Similarity
Cup Diameter: +0.05mmBore: -0.35mmCup Depth: medium → medium deepCup shape data unavailable
Specs used: 4 / missing: 1

Other Models by Bach

317.60mm · Medium · 4.50mm717.25mm · Medium · 4.50mm1016.80mm · Deep · 4.50mm10S16.80mm · Deep · 4.65mm1116.55mm · Medium · 4.50mm

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Where to Find

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