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Cable Asylum Interconnects, speaker wire, power cords. Ask the Cable Guys. |
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In Reply to: RE: carbon fiber in teflon posted by Duster on November 7, 2016 at 21:15:48:
>> Surface resistance of a single conductor within a multi-stranded bundle affects cable resonances.
Really? Where did you get that idea from? Unfortunately it does not make much sense...
Surface resistace? That's not a concept as such. Cable resonances? Do you mean mechanical or electrical? As far as I know this is BS so please provide some evidence like a link.
Let me now explain something that I think many folks misunderstand about skin effect. (Was that what you meant by 'surface resistance'?)
OK so if you have a multi strand conductor, it acts exactly like a solid core conductor for the purposes of skin effect. Even if the individual wires are INSULATED! (Before you scream Litz wire, hold on a sec).
The reason that skin effect acts like this is because it's an effect caused by fields - magnetic and electric fields due AC in the wires, so it does not care if the wire is multi or single stranded, or insulated..
So now, what about Litz wire? Isn't that individually stranded wires, all insulated? Well yes and no. Litz wire needs two things:
1) Individuially insulated strands
2) Special winding so that each strand spends equal amounts of time in the inside of the core, and on the outside. Only then is it proper Litz wire.
So you see, when talking about skin effect in multi-strand wire, the skin effect of a single conductor matters not at all. So that's why I call BS on your earlier statement. (Also because cables do not, on their own, resonate. They might as part of a system, but that has zilch to do with skin effect).
Back to carbon fiber - one big advantage I see if the lack of any skin effect in carbon conductors, and it doesn't matter if you are talking about a big carbon rod, or hundreds or thousands of tiny conductors making up a multi-strand wire. The reason for this is simply in the equations for skin depth - go calculate and you'll see I'm telling the truth.
Now one last thing I wanted to say to you Duster: I have personally tried many of your suggestions for cables, etc. I have to admit to being underwhelmed by most of them, but in particular by the interconnect suggestions I have heard. For example I have here sets of cables I made using VH-Audio Pulsar and V-Quad, both of which I find frankly boring and lacking in transparency and dynamics (there have been others that I have tried, but as I remember you stated that v-quad and v-twist were the among the best ICs you have heard).
So you see I have tried what you suggest, and have largely found it wanting. In comparison, I tried to contact you on more than one occasion to offer you interesting things to try, and you have never had the courtesy to even reply.
This is why I am less than impressed when you come barging into a thread spreading mis-information (eg implying that an increase in resistance will worsen skin effect, when in fact the precise opposite is the case). I do have at least the advantage of having spent many many hours working with carbon fibers.
If you like to know why there are not more audio cables made with them, I think it's more to do with their fragility, difficulty getting high quality fibers and the problems of termination rather than the fact they don't sound good.
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Follow Ups
- RE: carbon fiber in teflon - beautox 00:44:32 11/08/16 (0)
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