JK Exclusive Classic T4C

TubaIn Production

Precision Specifications

RIM DIAMETER32.5 mm

CUP DEPTHMedium Deep

THROAT ∅—

BACKBORE—

SHANK—

CUP SHAPEfunnel

Rim Width—

Rim Contour—

Throat Drill #—

Material—

Finish—

Weight—

Catalog Status

JK Exclusive Classic tuba size 4C.

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 Classic
Conical Cup

About This Mouthpiece

JK Exclusive Classic tuba size 4C. | Balanced conical tuba cup.

View on Manufacturer Site →JK ↗

The 2 Cents Forum

Share how this mouthpiece feels, responds, and works in different registers.

Add Your 2 Cents →

Community Sentiment

No ratings yet — be the first to rate this mouthpiece!

Rate This Piece

Your Name

Material You Played

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

Your Review0/5,000

By posting, you agree to our Terms and Privacy Policy. Reviews are public and cannot be deleted.

The 2 Cents Forum0 reviews

No reviews yet

Be the first to drop your 2 cents on this mouthpiece!