Coil bobbin

  • Inventors:
  • Assignees: Onkyo Corp
  • Publication Date: November 07, 1981
  • Publication Number: JP-S56142604-A

Abstract

PURPOSE:To obtain a speaker which has the high efficiency of acoustic radiation and can resist great input by forming a coil bobbin by a lithium compound. CONSTITUTION:A coil bobbin 2 for a voice coil 3 of a speaker is formed using a lithium compound such as lithium nitride, a nitride of lithium, and lithium carbonide, a carbonide of lithium, as a material. Thus, a speaker can be obtained which satisfies conditions, such as light weight, large rigidity, excellent radiating effect, etc. which are required as the coil bobbin of the speaker, has the high efficiency of acoustic radiation and can resist great input.

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    Publication numberPublication dateAssigneeTitle
    JP-S615697-AJanuary 11, 1986Pioneer Electronic CorpVoice coil bobbin