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#1241 | ||
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diyAudio Member
Join Date: Feb 2002
Location: Perth, Australia.
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Hi, thanks John.
Quote:
Quote:
Eric.
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I believe not to believe in any fixed belief system. |
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#1242 | |
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diyAudio Member
Join Date: May 2007
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Quote:
If it does what it says it does, then it must be establishing quantum correlations between electrons (e.g. like Cooper pairs in a superconductor). Classical correlations are the reason why you don't get shot noise from a piece of wire. I find it dfficult to believe (I am being polite!) that such quantum correlations, once established, do not quickly suffer from decoherence in a normal conductor. What I suspect it actually does is attenuate RF surface waves on a cable, by dissipating them in what is in effect a lossy choke made from fancy metal oxides. The fact that some versions add resistive "stealth" material confirms this, in my opinion. So this is a spin-off from stealth technology. Stopping RF from getting into audio components can improve the sound, yet nothing will show up in a purely audio test. |
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#1243 |
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diyAudio Member
Join Date: Jul 2003
Location: berkeley ca
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DF96, in spite of your skepticism, I think you are closer than most, in several of your statements. Now, which ones are correct? I, personally, trust my ears, your ears may vary. ;-)
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#1244 |
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diyAudio Member
Join Date: May 2007
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So stealth is the truth, and all the quantum stuff is the cover story? Or is the US a lot closer to room temperature superconductors than they will publicly admit? Or just yet another application of negative index metamaterials?
By the way, my experience is that some engineers (including senior academics) will sincerely believe complete nonsense. This is because they are taught just enough physics and maths to confuse themselves. |
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#1245 |
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diyAudio Member
Join Date: Jul 2003
Location: berkeley ca
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You chose, how should I know?
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#1246 | ||
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diyAudio Moderator
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No, it's not. It's a resistor wrapped in a story. The measurements that John generously provided confirm that if this were a choke, it is of sufficiently small value to have negligible effect at 1 MHz. The steel leads probably have more inductance than the contained resistor.
A 50 cent resistor gives identical performance (i.e., nothing significant) in the audio band and for at least an octave above (John's data shows this to be true many octaves above, but I limited my testing to 90kHz or so). Quote:
Quote:
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If there's a sucker born every minute, where do the rest of them come from? |
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#1247 |
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diyAudio Member
Join Date: May 2007
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I guess I have got as close as I am going to get!
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#1248 | |
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diyAudio Member
Join Date: Jan 2004
Location: away
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Quote:
or, no, wait...maybe it was charity?? ![]() Sy is correct. If it were not so, the .013 inch diameter wires I am now working with that are half NbTi, half copper, would not be capable of 200 ampere DC operation. A supercon wire will skin to beat the band...the conduction begins on the surface, and goes further in as the current goes up. The surface current density is at Jc, with the depth needed to conduct the full current being imposed on the wire. So as the current rises, more and more of the super is used to carry it..it will fail once the entire volume of the super has been used to support current, then it will instantly transition to the type of conductor you mere mortals are doomed to use...resistive..bwwhhhhaaaaaahahahahah. Cheers, John |
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#1249 |
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Banned
Join Date: Feb 2007
Location: Dublin
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This is interesting. A lot here are of the opinion that if it can be heard it can be measured in the analogue domain at the frequencies that the ear/brain can perceive (or some would have it that the ear can hear!). Does this contradict that assertion & how is this explained?
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#1250 |
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diyAudio Member
Join Date: Mar 2007
Location: Auckland, NZ
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summary of the thousands of post so far.
SY and JC have both supplied REAL data that supports the contention that the device is not significantly different in its electrical characteristics to a standard resistor. JC claims that he can hear differences, but has not provided any data to back this up. Numerous guesses haver been made about the possible composition and electrical effects of the device. None have been backed by any data. Numerous posts have alluded to classified and secret status of the device and its relatives. Again, no information is provided to back this up. The supplier of the device is independently wealthy, and drives a fettled Bentley. Would you buy securities on this basis?
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"Folks, you can't prove truthiness with information. You prove truthiness with more truthiness. In a process known as truthinessiness." - Stephen Colbert, The Colbert Report Last edited by aardvarkash10; 24th January 2011 at 08:38 PM. |
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