Everything came as expected and works well.
Yamaha Nakagawa Model 11C4 N Trumpet Mouthpiece
Product Details
This is a trumpet mouthpiece, the 11C4 N Nakagawa Model, purchased at Yamaha Ginza Store.
The inner rim diameter is approximately between Bach 7 and 10-1/2.
The rim is semi-flat with normal thickness.
The rim shape gently slopes towards the outer edge.
The outer rim diameter feels approximately between Bach 7 and 10-1/2.
The cup is slightly deeper than a Bach C.
The throat is #28 (3.57mm).
There is plating wear on the throat.
A characteristic of the Nakagawa model is that the backbore expands gradually, creating resistance.
The backbore is approximately Warburton 6.
This design makes high notes and endurance easier.
It is a reassuring mouthpiece for those who need results in a short period.
It has been used only for testing and is almost unused.
Daily Cleaning: Use a soft brush or damp cloth to gently wipe away dirt. Avoid harsh chemicals. For mesh areas, use diluted mild detergent and a soft brush.
Drying: Air dry in a cool, shaded place after cleaning. Avoid direct sunlight or high heat, which can cause fading and glue deterioration.
Storage: Stuff with paper to maintain shape when not in use. Store in a dry, ventilated area to prevent mold. Rotate between multiple pairs to extend lifespan.
Usage Notes: Designed for basketball. Not recommended for hiking, long-distance running, or other specialized sports where different performance features are required.




