Speaker diaphragm including cone formed of material including fibers derived from plant and resin, speaker unit, speaker, and method for manufacturing speaker

摘要

A speaker diaphragm includes a cone formed of a first material including first fibers derived from a plant and a first resin for binding the first fibers together, and an edge portion which is positioned at an outer peripheral portion of the cone and formed of a second material including a second resin, in which the cone and the edge portion are integrally formed. In addition, at least one of the content and the composition of the first resin and the second resin is different.