JK 01FM

French HornIn Production

Precision Specifications

RIM DIAMETER18.5 mm

CUP DEPTHShallow

THROAT ∅—

BACKBORE—

SHANKstandard

CUP SHAPEbowl

Rim Width—

Rim Contour—

Throat Drill #—

Material—

Finish—

Weight—

Catalog Status

M-series JK horn model.

Some lab-style fields are still missing on this entry, so the spec display focuses on the dimensions and fit data we can currently support.

Recommended For

OrchestralClassical

Special Features

Exclusive

About This Mouthpiece

M-series JK horn model. | Very shallow high-response option. | Bowl-shaped M-series horn design with brighter projection. | Outer rim 26.5 mm.

View on Manufacturer Site →JK ↗

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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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