good all copper binding posts needed

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SS4927

SS4927

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Joined 2013
#1
I try not to spend an arm on things like this, but obviously want a good product.

I want to stay @ 100 cad. or under. I want bi amp-able posts for two speakers that can be mounted on stainless steel, something like seen in my avi. Solid copper without plating would be my first choice. I scuff the gold off at contact points anyway. And recommendations?
 
#3
SS4927 said:
I try not to spend an arm on things like this, but obviously want a good product.

I want to stay @ 100 cad. or under. I want bi amp-able posts for two speakers that can be mounted on stainless steel, something like seen in my avi. Solid copper without plating would be my first choice. I scuff the gold off at contact points anyway. And recommendations?
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So you're looking for binding posts that are physically weak and susceptible to physical damage, and that will corrode easily, and you don't care if they are over priced ?🙄

Mike
 
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#4
Michael Bean said:
So you're looking for binding posts that are physically weak and susceptible to physical damage, and that will corrode easily, and you don't care if they are over priced ?🙄

Mike
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I suppose they arent 100% copper for integrity purposes. But copper doent oxidize or corrode as easily as the general consensus would have you believe. Unless its exposed to unfriendly elements and time. A low humidity listening room thousands of miles from any saltwater, I think Ill be okay here 😉 Im not new to exotic metals and feel confident in that. BTW I have seen copper cardas posts, over priced? I would say so. But I wasnt looking for cardas. Something else would suffice.
 
#6
I've given up on binding posts because I consider them to be inferior for many reasons. I use Speak-on connectors for everything I build. They're well made, provide a nice reliable connection with a latch to prevent accidental disconnects, allow for multiple circuits in a single connector for active crossover systems, and they're inexpensive to boot.

Mike
 
#7
SS4927 said:
But copper doent oxidize or corrode as easily as the general consensus would have you believe. Unless its exposed to unfriendly elements and time.
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Pure copper or nearly pure copper oxidizes very quickly under the best of conditions. I recently cleaned some copper plated FR4 boards for etching. My transfer process was unexpectedly delayed just as I was ready to start. When I was ready to resume the process, two weeks later, the boards showed evidence of oxidation, despite being stored in a cool dry place. The color change of the copper was easily seen in this short time.

For this reason, when I make boards, I always tin plate immediately after removing the mask. Reputable manufacturers always plate their connectors with overlays of nickel, gold, or other durable metals.
 
#10
Michael Bean said:
Yep.

Mike
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Copper offers less resistance why introduce a brass link? Its like creating a bottle neck of sorts, as supple as it may or may not be. Secondly different metals will alter final sound as subtle as that may or may not be.

Im not trying to start the twenty millionth wire debate. Most decent copper wire does what its supposed to for the most part. But I do believe different metals can and will have an effect on final sound because Ive witnessed it. The more resolving systems get the more evident that becomes to me.

As far as oxidation occurring goes duration really depends on the environment, humidity in the air, pollutants carried with it, etc. It will tarnish, but very gradually has been my experience here. After changing switches in a 40 year old home the copper was still relatively clean. I wouldn't even say it tarnished even enough to delay or alter signal.

I would take some mothers to posts periodically anyway, once a year or when I switch speakers, if it needs it. Mothers also slows down the oxidation process on vulnerable metals.

I like to keep a constant copper path as far as I can. For sound it offers and I like the looks of copper. I used to use wire spinner caps and just twist the speaker wire together, but copper spades and bananas are easier and look cleaner.
 

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