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gold is the most oxygen resistant plating
available and is indispensable for audio
plug usage. there is nothing better.
silver is a better conductor and like copper
it oxidizes very rapidly.
silver tuns black when exposed to light and in
that blackened condition is a terrible conductor
copper turns dark red, brown and green when exposed
to oxygen and humidity, salt air.
so whoever said gold plated plugs were a waste is
a bone head
PS the best corrosion and oxidization prevention
is called: Pro Gold, there is nothing better.
Its made by CAIG chemicals