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Copper RCA connector
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Old 6th December 2019, 11:08 AM   #21
K.A.B is offline K.A.B  Sweden
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Quote:
Originally Posted by DF96 View Post
As I understand it, adding tellurium to copper will
1. make it more radioactive - but not dangerously so
2. make it more toxic - but not dangerously so
3. make it harder and so easier to machine and more durable
4. reduce conductivity - but not enough to do harm to an audio signal
Note that better audio performance is not a factor.
1. Driving a car is probably more dangerous, breathing you will get you more dangerous substance in your body than the little radioactive that is in the contacts. If it is dangerous, it must be better .

2. If you do not work with it, it is harmless in its stable form even if you lick it nothing happens.

3. ++++

4. ++

I do not understand why people become so worried about things that someone writes or tells, often they take facts out of their context and then it becomes a truth that is not relevant in their context.

If you are to be afraid of everything that is around us, you can lie down and die because then life would be worthless for all the fear you build up.

Instead, live as if it were the last day of your life and be curious about everything.
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Old 6th December 2019, 11:24 AM   #22
DF96 is offline DF96  England
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My point was that adding tellurium will aid machining, it is a common additive, and have no effect on audio performance. Those selling tellurium copper RCAs may try to put a different slant on it, and some of those buying them may swallow the story and repeat it.
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Old 6th December 2019, 02:52 PM   #23
K.A.B is offline K.A.B  Sweden
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I have worked copper in both milling and turning. The problem is that speeds, angles on tools and coolants are to be considered. Therefore, it costs too much to make products in copper, then you have to remember that copper oxidizes much faster than you think, so adding other metals in the copper prevents this. Using a protective surface is the only right thing. Adding other metal to make it harder is just because it will be usable during manufacture and that we consumers so we should be satisfied.

I myself use RCA with silver plating especially the chassis connector for all my male contacts I currently use eichmann copper bullet plug a combination I think works.
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Old 7th December 2019, 10:03 PM   #24
mozartfan is offline mozartfan  United States
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just ordered 100% pure red copper connecting plugs for RCA , both female and male.
+ a pure copper power cord end pieces. Copper is superior to brass
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Old 8th December 2019, 12:38 AM   #25
Mark Tillotson is offline Mark Tillotson
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Not for corrosion it isn't. Copper forms a semiconducting layer of oxide over time, and pure copper is very soft and can't maintain contact pressure by itself.


Brass is used for many electrical connectors and screw terminals precisely because its superior at the task to copper, same way beryllium-copper is used for electrically conducting springs in switches and relays.
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Old 8th December 2019, 12:47 AM   #26
rayma is offline rayma  United States
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Quote:
Originally Posted by Rolox View Post
Old thread but... there are pure copper RCA connectors made by MPS Pioneer
Some Vampire are copper with protective plating.
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Old 8th December 2019, 08:53 AM   #27
tamra is offline tamra  Japan
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Copper RCA connector
赤銅スピーカー端子 | 株式会社エーワイ電子
I use copper terminal mixed with gold.
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Old 8th December 2019, 02:21 PM   #28
Mark Tillotson is offline Mark Tillotson
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Screw terminal? Copper doesn't make screws, you need brass to be strong enough.
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Old 8th December 2019, 02:58 PM   #29
tamra is offline tamra  Japan
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Copper RCA connector
That is not pure copper. Copper +gold(3-5%)
Probably better than copper +zinc.
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Old 8th December 2019, 03:42 PM   #30
JMFahey is offline JMFahey  Argentina
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Well, it will be "better" on one aspect at least: it will certainly be more expensive.
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