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Old 31st August 2010, 04:15 PM   #101
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There is an interesting tidbit on quantum wire here. One of the things touched upon is the manufacture of "ropes" of carbon nanotubes. IIRC, in another thread a QP was dissected and found to be a "ferrite bead wrapped in carbon fibre covered in shrink wrap".

I know next to nothing on the subject, but I found that interesting, even if it is only a coincidence.
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Old 31st August 2010, 05:38 PM   #102
Pano is offline Pano  United States
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Yeah, the new ones a use carbon fiber according to the website.

SY, you've mentioned those measurements posted by JC several times, but I can't find them. Will search harder.

EDIT: Ah ha, maybe this?
Click the image to open in full size.

The noise that is removed seems to have a P-P amplitude of about 300mV. That should not be too hard to measure, right?
 
Old 31st August 2010, 06:00 PM   #103
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Yup, that's them. 300mV is HUGE.

Carbon fiber sounds like nanotubes; they're both carbon and stringy, so what the heck, they have to be the same thing, right?
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Old 31st August 2010, 06:12 PM   #104
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Absolutely
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Old 31st August 2010, 06:14 PM   #105
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This is going to be an interesting thread!

Are those things in the mail yet?
 
Old 31st August 2010, 06:46 PM   #106
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Modwright uses these things in everything.
 
Old 31st August 2010, 06:50 PM   #107
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I have gotten into this thread very late unfortunately. Maybe if I had gotten into it early it would have gone into a less defamatory and more egalitarian direction.

I have used quantum purifiers for many years and they work. It is not just a psychoacoustic effect. I put them at both low level signal inputs and at power supply inputs to the preamp. What happens is that there seems to be more silence and less noise within music and even between notes. It also makes the music sound more organic and more of a whole. Though I only tried this on one preamp I suspect it would happen even if it went into a superior one to mine. It is not a frequency dependent effect but a noise dependent effect. Of course if the noise is frequency dependent it will seem like a frequency dependent effect.

There seems to be a problem when studying an effect such as this because I personally don't think even the inventor really understands what's going on in the underlying effect. For instance, he has described it as a superconductor effect. I would say that is going too far, by half. Nevertheless just because there is some hype regarding the advertising here it has a real good effect on the sound. Often when a subject is little understood, such as the physics behind these little marvels, any inaccuracy in description by the inventor will be latched onto as proof that it is ALL hype.

There is another aspect to this also. In any area of science that is in the transition area between established knowledge and pure ignorance there is an area where we don't know what to measure. Our ears can give us insight that the effect is real. In this case our own ears provide us with the intuition to point us in the right direction. I wonder just how many people that have decried this as hokum have actually tried them? Not many I bet. So that means that those individuals have inferior intuition about the effect these devices create. In the boundary areas of scientific knowledge intuition is all we have to go on because we don't even know what to measure. But our ears hear it.

My purely speculative intuition tells me that these devices do create an effect related to superconductivity. They are not really superconductors of course but are instead created from materials related to the ingredients in high temperature superconductors. There is no known superconductor that consistantly works at room temperature. No, what I suspect is happening is that there is a transitional superconductive effect in these materials. In other words there is lost information, decoherence and smearing of transients in information in music as the reproduction goes down the chain. However that information is somehow still there if it could be decoded. I think the transitional superconductive effect has some effect on retrieving this lost information.

One interesting thing I did was to try several purifiers in series on low level signal on the theory that if one is good, then two might be better. The effect was to create a squeaky quality to the music. Very unnatural. It was almost as if a door to information transfer was too tightly wound, (as many people are ).
 
Old 31st August 2010, 07:04 PM   #108
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Quote:
Originally Posted by exeric View Post
I have used quantum purifiers for many years and they work. It is not just a psychoacoustic effect.
How do you know this? Could you describe the controlled listening protocols you used to come to this conclusion (which you've stated as a fact, rather than as an anecdote)? Blinding procedures, scoring, randomization, equipment used, level matching procedure?
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Old 31st August 2010, 07:18 PM   #109
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Quote:
Originally Posted by SY View Post
How do you know this? Could you describe the controlled listening protocols you used to come to this conclusion (which you've stated as a fact, rather than as an anecdote)? Blinding procedures, scoring, randomization, equipment used, level matching procedure?
I would answer your question if you applied it to all aspects of your own design. But it seems to me you have a bias against these devices that would be impossible to overcome. From now on whenever you write an article I hope you apply all the same standards to your own listening on an electronic device you have created. Otherwise, can you spell h-y-p-o-c-r-i-t-e. You cannot apply this standard to others because, from what I have seen, you have not appied it to yourself in a rigorous fashion.
 
Old 31st August 2010, 07:22 PM   #110
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