| 摘要 |
PROBLEM TO BE SOLVED: To provide a speaker diaphragm ensuring excellent balance of rigidity and internal loss.SOLUTION: A speaker diaphragm is formed of a composite containing a para-type wholly aromatic polyamide fibers of large single yarn fineness, and a resin. More specifically, the speaker diaphragm is formed of a composite containing a para-type wholly aromatic polyamide fibers having a single yarn fineness of 10-50 dtex, and a resin. |
