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Know Your Terminals Part 1

Connector Geek
2
Connector Geek is Dave in real life. After three decades in the industry, Dave still likes talking about connectors almost as much as being a Dad to his two kids. He still loves Lego too. And guitars.

Comments

VdH

July 5, 2021 11:51

"Plating... improves electrical conductivity and provides protection for the metal beneath".
I would like to clarify that gold plating does not improve electrical conductivity (silver does) but is the common way to get a reliable and sustainable low contact resistance (due to perfect protection). It is a common misunderstanding in the high-end audio community that gold (45 MS/m) is a better conductor than copper (58 MS/m). While silver is a perfect conductor (61 MS/m), it has a much lower redox potential (0.8 V) than gold (1.4 v) and oxygen (1.23 V) and thus tends to corrode like CuBe (often used terminal material).

0 Votes

July 5, 2021 11:51

@VdH You are right - silver is the better conductor, it often isn't the most reliable solution. Perhaps I should have used the phrase "gold plating offers better performance." And I often giggle when audio fans say they can "hear" the benefit of gold-plated connectors...

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