JK Exclusive 10E
TrumpetIn Production
Precision Specifications
RIM DIAMETER16 mm
CUP DEPTHMedium Shallow
THROAT ∅—
BACKBORE—
SHANKstandard
CUP SHAPEbowl
Rim Width—
Rim Contour—
Throat Drill #—
Material—
Finish—
Weight—
Recommended For
All AroundClassical
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Special Features
- Exclusive
Reference Notes
JK Exclusive trumpet size 10 with E cup. Brighter, more agile cup. Outer rim 27.2 mm. 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.
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.