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JK Exclusive Classic T3A

TubaIn Production
Precision Specifications
RIM DIAMETER33 mm
CUP DEPTHDeep
THROAT ∅—
BACKBORE—
SHANK—
CUP SHAPEfunnel
Rim Width—
Rim Contour—
Throat Drill #—
Material—
Finish—
Weight—

Recommended For

OrchestralClassical

Player Reviews

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Resistance5/10
Rim Comfort5/10
Brightness5/10

Example: "On my Yamaha Xeno it felt centered, a little resistant, and easier above the staff than my 3C."

Example: "Good commercial piece for me: bright response, comfortable rim, but tiring after a long set."

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Special Features

  • Exclusive Classic
  • Conical Cup

Reference Notes

JK Exclusive Classic tuba size 3A. Deep conical Classic tuba cup. Use these measurements as a comparison starting point: fit and response still depend on the player, dental structure, instrument receiver, and each manufacturer's measuring method.

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Brand Deep Dive

JK · BrassFit Science
JK Guide
Exclusive system, USA-Line, K vs M horn logic, P vs PO low-brass families, and shank decoding.
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