JK A4
TrumpetIn Production
Specifications
| Brand | JK |
| Model | A4 |
| Instrument | Trumpet |
| Rim Diameter | 16.5 mm |
| Rim Width | medium |
| Rim Contour | german |
| Cup Depth | Medium |
| Cup Depth (mm) | — |
| Cup Shape | bowl |
| Throat Diameter | 3.7 mm |
| Throat Drill # | — |
| Backbore | medium |
| Shank | standard |
| Material | brass |
| Finish | silver-plate |
| Weight | standard |
Recommended For
OrchestralAll Around
About This Mouthpiece
The JK A4 is a medium-cup Bb trumpet mouthpiece featuring a 16.5mm rim diameter and 3.7mm throat. It has a medium backbore, standard shank. Well-suited for orchestral and all-around playing.
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