Yamaha HR-SOMMERVILLE

French HornIn Production

Precision Specifications

RIM DIAMETER16.93 mm

CUP DEPTHMedium

THROAT ∅4.3 mm

BACKBOREStandard

SHANKHorn

CUP SHAPE—

Rim Widthstandard

Rim Contoursemi-flat

Throat Drill #—

Materialbrass

FinishSilver plated

Weight—

Recommended For

OrchestralClassicalAll Around

Special Features

Signature Series
Signature Series

About This Mouthpiece

Signature: James Sommerville. Clarity/Flex.26

View on Manufacturer Site →Yamaha ↗

Brand Deep Dive

Yamaha · BrassFit Science

Yamaha Mouthpiece Guide

Yamaha mouthpiece numbering, cup families, and instrument-specific selection guide.

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Rate This Piece — 8 Dimensions

Physical Feel

Resistance— Back-pressure & support

1 — Free-blowingRestrictive — 10

Rim Comfort— How kind is it on your chops?

1 — UncomfortableVery comfortable — 10

Rim Bite— Sharpness of the rim edge

1 — Very round / forgivingVery sharp / precise — 10

Tonal Character

Brightness— Overall spectral colour

1 — Dark & warmBright & piercing — 10

Tone Focus— Core vs. spread sound

1 — Spread / diffuseCentred / laser — 10

Playability

Articulation— Clarity & crispness of attack

1 — Blurry / sluggishCrisp & immediate — 10

Flexibility— Ease of slurs & pitch bending

1 — Rigid / stiffFluid & flexible — 10

Stamina

Endurance— How long before fatigue sets in?

1 — Tires quicklyPlays all night — 10

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