| 摘要 |
PROBLEM TO BE SOLVED: To provide a speaker tone quality improving apparatus which negates an interfered sound wave, reduces a change, and improves a tone quality by setting a porous member having a proper thickness in a forward direction of a diaphragm. SOLUTION: At least one porous sound-absorbing member is set at a forward prescribed position of the diaphragm in the speaker. COPYRIGHT: (C)2005,JPO&NCIPI
|
