Characteristic impedance corrected audio signal cable

Details Characteristic impedance corrected audio signal cable Characteristic impedance corrected audio signal cable

1993-03-15

1995-02-28

Nimmo, Morris H.

Electricity: conductors and insulators

Conduits, cables or conductors

Insulated

174102R, 174117F, 174117FF, H01B 708

Patent

active

053939336

ABSTRACT:
Audio signal cable for interconnecting a power source and a load, e.g. a power amplifier and a loudspeaker, wherein the geometry of the conductors and the dielectric which separates them has been adapted to raise the capacitance and lower the inductance of the cable, therewith lowering its characteristic impedance to the same order as that of the load, typically 2-10 ohms. In a preferred embodiment this is done by providing a positive and a negative conductor each composed of a solid band of e.g. copper, substantially as wide as the cable which are sandwiched together with a thin interlayer of a dielectric material, e.g. polyester film.

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patent: 4954095 (1990-09-01), Cogan
patent: 5266744 (1993-11-01), Fitzmaurice

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