DIY RCA: Silver Plated Copper Wire - Page 2 - diyAudio
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Old 2nd January 2005, 10:14 AM   #11
jleaman is offline jleaman  Belgium
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HUmm something to keep Reading on : O )
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Old 2nd January 2005, 01:29 PM   #12
10K2HVN is offline 10K2HVN  United States
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Quote:
Originally posted by analog_sa


Copper wire is fine. I use Kimber hookup wire for almost anything and like it a lot.

Why silver RCAs?
well..from what ive been reading.. the general thesis is that silver wires give more detail (because of better conductivity?) over copper wires..and thats my reason for wanting silver wires..

from my basic knowledge of electronics, 'electricity travels the path of least resistance'. if i were to use the silver-plated copper wire, i figure the it would be a cheaper alternetive to using solid silver wire..because the audio signal (electrical current) will travel through the silver (less restrictive / more conductive) over the copper.

that was my original reasoning..but you brought up a point of "sounds uniformly bad" which also makes sense because a partial amount of current might also travel through the copper as well as the silver and may cause some irregularities...

^but..if that were so, then that should hold true for all silver plated copper wire - good quality sounding better then the lesser quality, of course - but silver plated copper wire, none the less.

Quote:
Originally posted by analog_sa


The good ones are certainly not cheap and only make sense if RCA socket and wire are also silver.
yeah..i dont see why anyone would use highly conductive silver wire with less conductive gold rca plugs... according to the "metalic conductivity" link, even copper is more conductive then gold. from what i understand, gold is just used as a protective coating...
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Old 2nd January 2005, 01:57 PM   #13
Mr Evil is offline Mr Evil  United Kingdom
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Quote:
Originally posted by 10K2HVN

i only have a basic understanding of electronics but since our audio systems use electricity to transfer an audio signal, i thought it would be best to have the most conductivity to prevent any loss in between components....?[/url]
Sorry if the materials comments are confusing. They are not serious comments, but instead poke fun at the tendency for the descriptions of the sound of materials to follow the physical appearance. For instance people often say that silver sounds brighter than copper... silver is indeed brighter than copper in appearance. Make of that what you will. Maybe plutonium would be described as having a heavy sound...




Quote:
Originally posted by 10K2HVN
...according to the "metalic conductivity" link, even copper is more conductive then gold. from what i understand, gold is just used as a protective coating...
The reasons for gold plating connectors include:
1) Corrosion resistance, which is important for long-term reliability especially in polluted environments.
2) Softness. Gold deforms slightly under pressure, leading to increased contact area and thus lower contact resistance, despite the lower conductivity.
3) It looks nice.
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Old 2nd January 2005, 03:28 PM   #14
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Has anyone tried this screened silver wire from Maplin? Using this you'd just have to attach connectors.

The pointer for this wire comes from this page where PinkFloyd from head-fi.org has used it to do some interconnects (and documented it; Thanks!).
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Old 2nd January 2005, 04:14 PM   #15
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Silver IS the most conductive element known. Why? Well Most silver only has a 1+ oxidation number. What does that mean? it only has one valence elctron just like Copper and Gold. Silver is a better conductor than copper because it had a larger atomic radii. therefor the valence elctron has more energy. Gold has an even larger atomic radii. But for some reason gold doesnt conduct as well as even copper. so why is it used? well gold doesnt tarnish. When metal oxidises it looses condictivity.
Silver would be great fo RCA's untill it tarneshes. the music would cut then you would find twisting the RCA's in the input jack will tempraily fix the problem. but it would soon come back. This is beause when you twisted it you scraped off some of the oxides. the best solution would be to take htem out and use a silver poishing rag to remove the tarnish. DO NOT USE LIQUID TARNISH REMOVERS. these are usually Acids much like the acids in acid core solder. if left un evaporated they can eat through the silver and into the copper core. on top of shorting out the leads in the RCA.
If you are wondering why the RCA's are coated with silver and not solid silver. well the thing is cost. well then why use silver at all? well most of the resistance in RCA or any type of cable for that matter is the plug in conections, that is metal to metal contact instad of soldered leads.
as far as titaniam goes, all metals conduct electricity, but titanium's most abundant oxidation numbers are 3+ and 4+. the less valence electrons an element has the more condiuctive it is. an 4+ reaches into the semiconductor zone. other semiconductors are phosphorus dopes Silicon and ****nic doped Germanium, Tin, Lead, and even carbon CAN be used as a semi conductor though it is a very poor semi conductor. also, Titanium's atomic radi is the same sized as that of copper but it has 2-3more valence electrons. (if you dont know where i am getting this from maybe you should have payed more attention in chemistry)

Edit:
Why did it blank out the first four letters of the Element [As]?
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Old 2nd January 2005, 04:45 PM   #16
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Quote:
Why did it blank out the first four letters of the Element [As]?
Apparently your chemistry book did not do as good a job protecting you from naughty words as the diyaudio censor. Let's try out a few synonyms.

buttnic
poopshutenic

all seem fine and convey the meaning in an original and educational way
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Old 2nd January 2005, 04:54 PM   #17
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seems kinda stupid to me its spelt Ars enic
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Old 2nd January 2005, 04:57 PM   #18
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Quote:
Originally posted by CBFryman
Silver IS the most conductive element known. Why? Well Most silver only has a 1+ oxidation number. What does that mean?

OOOOH!!! OOOH!!!

/me raises hand high "me teacher!!!" style

Ima make SODIUM METAL interconnects...
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Old 2nd January 2005, 05:39 PM   #19
jleaman is offline jleaman  Belgium
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Im ordering some solid silver wire and silver bullet Interconnects...
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Old 2nd January 2005, 05:54 PM   #20
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In fact, I feel like satisfying my curiosity. Let's see...

http://www.webelements.com/webelemen...sistivity.html

The best conductor of course is silver, at 1.6 x 10^-8 ohm/m. Copper is slightly worse at 1.7, but being 100 times cheaper, no one is complaining. Sodium weighs in at 4.7, comparable to zinc at 5.9 and half that of iron at 9.7. Manganese hits 160, seconded by plutonium at 150 -- I stand corrected, I want manganese interconnects! Probably way too brittle for drawing though. Aluminum is 2.6.

Now for valances on these:
Ag = 1; Cu = 1,2; Na = 1; Zn = 2; Fe = 2,3,6(?); Mn = 7,6,4,3,2; Pu = 6,5,4,3; Al = 3.

So tell me, how is aluminum at valence = 3 more conductive than any alkali metal squarely at valence = 1?

Tim
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