burtomr
Headphoneus Supremus
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- Apr 30, 2011
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Err, I don't think I know my metals well enough but isn't gold more resistive than copper? I understand putting 1-2% in a silver cable but 4N Au?
Or is it just proof of concept?
Yup, Silver is the best conductor with the lowest resistance followed by Copper, then Gold, but it's much less conductive with much more resistance, in fact it's very close to Aluminium.
The reason small amounts (1-2%) of Gold are added to Silver is to 'fill-in' the molecular spaces between the molecules of Silver to improve conductivity.
Conductivity:
SILVER: 6.30
COPPER: 5.96
GOLD: 4.10
ALUMINIUM: 3.50
Resistivity:
SILVER: 1.59
COPPER: 1.68
GOLD: 2.44
ALUMINIUM: 2.82
Ref: http://en.wikipedia.org/wiki/Electrical_resistivity_and_conductivity