| 摘要 |
<p>A novel speaker diaphragm having a high specific modulus for use in conventional loudspeakers including the magnetic and electrostatic type loudspeakers, the diaphragm comprising a carbonaceous fibrous web impregnated by a resin. The speaker diaphragm has a sonic velocity that is comparable to or exceeds that of a speaker diaphragm made of aluminum.</p> |
