Loudspeaker voice coil arrangement

H - Electricity – 04 – R

Patent

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349/72

H04R 9/04 (2006.01) H04R 9/02 (2006.01)

Patent

CA 1058315

LOUDSPEAKER VOICE COIL ARRANGEMENT Abstract of the Disclosure A loudspeaker voice coil assembly having improved power handling capability is disclosed, The voice coil is wound of rectangular cross section aluminum wire having a flexible anodized coating, A. thin anodized aluminum retaining cylinder is adhered to the winding of the voice coil with a thin coating of a cement, The anodization serves not only to electrically insulate the turns one from another and from the aluminum, heat- radiating retainer, but also serves to enhance the efficiency of the cement bonding. Voice coils capable of continuously dissipating 150 watts rms audio power have successfully been fabricated. - i -

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