[Manufacturing method] Self-made school must see! Reduced copy method

It is the production of the small speaker by the reduced copy method. It explains the design procedure. I would appreciate if you could refer. The procedure of how to make is introduced in the video. Please come and see. How to make JBL Everest Https://youtu.be/FgcmZdCar_E How to make JBL Paragon Https://youtu.be/2Pvqqui-AQI How to make JBL hearts field Https://youtu.be/hWxOhFV18nM