Upgrade the artificial forging bell mouth, After hundreds of knocks, forged, the surface upgrade electrophoresis gold hardness is better, not easy to rust, a good increase in service life. It is also more accurate and sensitive to sound conduction.
Appearance electrophoresis gold
It will not damage the copper itself and retain the original sound quality.
On the basis of inheriting the classic interface of the The French system system, the new integrated structure of the tip of the tongue is integrated. After the bent neck is inserted, it is closely sewn, firm and reliable, and there is no loosening phenomenon of other brands.