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Different Types of Spade termination ie gold plated copper, or other metals combos

I'm buying some equipment that has gold plated connectors. 
UNTIL THAT EQUIPMENT ARRIVES I AM UPGRADING SPEAKER CABLES I HAVE, BUT ONLY TEMPORARILY TO BELDEN, 9497 I need longer cables
For many years I have been using strait West Penn 14 AWG#226 that my tech gave to me, I'm saving for AQ Rocket 88

What are the characteristics of the different spade connectors?

Other than gold or silver plated I've heard of other exotic metals being used
Could you list them? and what if any characteristics they might bring to 
a Rogue Cronus M III integrated and Rogue Ares M II Phono Pre

Thanks this will be my first 100% tube system. If you wanna look at what I've been using all along check out my budget system.
Modest system circa 2004 purchased 1984

groovey

Showing 1 response by mitch2

mitch2
4,248 posts
 

Copper spades, gold plated or not.  Or, just clean what you have and keep enjoying your system.

IACS is an acronym for International Annealed Copper Standard, which was established by the 1913 International Electrochemical Commission. (More Information on the IACS.) The conductivity of the annealed copper (5.8001 x 107S/m) is defined to be 100% IACS at 20°C .

FWIW, Silver is about 105% IACS, so like 5% more conductive than copper.  Common coatings to reduce corrosion include gold (76% IACS) and rhodium (38% IACS). I doubt I could reliably hear the difference and use mostly pure copper and/or gold-plated copper.

Here is a possibly interesting thread.

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