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Brass versus copper binding posts

Greetings all. My current speakers are the Usher Dancer Mini-X DMD. I recently removed the press on tabs that connect the internal speaker wires to the drivers and solder them directly with cardas silver. I perceive an increase in sound quality, and as we know perception is reality. I planned on doing the same thing at The binding posts. I assumed they were gold-plated copper. But when I put a small drill point into the end of the threaded post the color stayed the same where I expected to see an obvious copper color. I think this means my binding posts are brass. If I’m correct that seems like a cost saving decision by Usher. Would those of you who know more about this stuff than I do agree it would be worth the time and money needed to switch to some quality gold or rhodium plated copper binding posts? Thanks in advance

milkdudd

Showing 1 response by corelli

corelli
941 posts
 

Ah, those darn connectors.  Seems there is no perfect solution.  Gold and Rhodium don't oxidize, but they are not very good conductors.  I had an silver plated AQ rca plug that literally turned black.  That can't be good.  

Here is another fact to drive ones OCD nuts.  Just read how tin plated conductors react with gold.  So that is another often ignored no-no. 

How about low mass copper to copper treated with ProGold?

In the end, it will be a compromise like most things in life.

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