JK Exclusive P1BK

TromboneIn Production

Precision Specifications

RIM DIAMETER28 mm

CUP DEPTHDeep

THROAT ∅—

BACKBORE—

SHANKbass / large shank

CUP SHAPEbowl

Rim Width—

Rim Contour—

Throat Drill #—

Material—

Finish—

Weight—

Catalog Status

JK Exclusive trombone size P1BK.

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

ClassicalAll Around

Special Features

Exclusive

About This Mouthpiece

JK Exclusive trombone size P1BK.

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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