otaku
Apprentice Shielder
Posts: 39
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Post by otaku on Sept 28, 2006 17:46:20 GMT -5
I´m about to shield my strat and have some questions.
Why do they use copper in the body cavities and aluminum on the back of the pickguard?? Is there a technical reason for that? Isn´t it better to just use copper for everything, or aluminum?
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guitarmole
Rookie Solder Flinger
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Post by guitarmole on Sept 28, 2006 21:42:15 GMT -5
Copper is more expensive than aluminum as a metal commodity and has lower resistance (and better electrical properties in general: solders readily, doesn't readily form very resistive oxide coatings, etc) .
I don't know how big the body cavities are but surface area-wise, I would guess it is much smaller than the entire back face of the pickguard. It might (as an argument for the sake thereof) cost a quarter more to do the pickguard in copper and that could add up in production costs very quickly if you're talking many thousands of guitars!
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