Audio cable

Details Audio cable Audio cable

H - Electricity

01

B

337/62

H01B 11/14 (2006.01)

Patent

CA 1322579

AUDIO CABLE Abstract Of The Invention A cable for use in carrying electrical signals in the audio frequency range. The cable includes an elongate metallic core which can be positioned at the center of the cable. In the case of the coaxial cable, a sleeve of a dielectric material is positioned about the core and a metallic shield is located outwardly of the sleeve and coaxially with the core. The cable also includes a layer formed of ferrite positioned between the sleeve and the shield which substantially increases the inductance of the cable without a corresponding substantial increase in the energy loss so that the cable exhibits substantially constant phase velocity characteristics across the audio frequency band. The ferrite layer can be formed by a series of discrete ferrite sleeves or the ferrite layer might be formed by an extruded thermoplastic having a high loading of ferrite powder. A method of using the cable is also disclosed.

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