Electric loudspeaker having open box for lowing resonance frequency in cone frame

Electric loudspeaker having open box for lowing resonance frequency in cone frame

  • CN 1,753,575 A
  • Filed: 09/26/2004
  • Published: 03/29/2006
  • Est. Priority Date: 09/26/2004
  • Status: Active Grant
First Claim
Patent Images

1. electrodynamic loudspeaker, in the basin frame, voice coil loudspeaker voice coil, centring disk, " the 1st opening box ", cone are installed in proper order, it is characterized in that:

  • a cone shaped opening case is installed at the cone back side, and discharge hole is released at the opening box top, and casing and basin frame are adhesively fixed.

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