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As an aside

the issue of rhodium I got straight from George Cardas at a CES. His comments made me rethink ends considerably or, perhaps more precisely, the nature of the mating surfaces. Gold was popularized and is the de facto standard simply because advertising had it that gold never tarnishes. That much is definitely true, but it has much higher resistance than silver or copper.

Thus, we have another factor, corrosion, being thrown into the equation. Depending on your local environment that can be a minor irritant but in some locales it is a major issue (close to a sea shore or freeway with all the sulphurous traffic dust).

Cardas products are rather interesting. Their RCA ends can be had in rhodium, gold or silver plate all over the identical base plug. It is not in the scope of this thread, but all sound different (I have tried all of the Cardas offerings). Rhodium had the most extended top end in my trials.

YMMV and FWIW, of course


PS One other observation. Some modern ends have gold plating so thin it basically peels off after a couple of insertions. Other plating is thicker but still so thin that gold plating is literally porous and corrosion will still set in despite the gold plating. You often see this on ends which develop white or green spots from the base metal corroding through the gold top plate over time.

I think this one may be the most insidious because then the top plate (gold) may literally be separating from the base metal, degrading the metal to metal interface.



Edits: 05/09/14

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  • As an aside - unclestu 19:42:14 05/09/14 (1)

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