iceageaudio said:
Is constructed from our Cryo Treated, Soft Drawn, Solid core, 99.9999% Pure Oxygen Free Copper Wire.
and...
I am definitely not here to argue with anyone. But what if the factory packaging for the wire is labeled 100% Oxygen Free Copper? I guess the bottom line is...what does the cable do in your system??? I've never said that were god's gift to the audio industry.
I'll just add a comment here with respect to scientific and engineering accuracy. If a claim is made that a material, e.g. copper, is 99.9999% pure, that "claim" should be able to be backed-up with...statistical rigor to establish validity of the measurement. What this statement also means is that manufacturer can distinguish between, say, 99.9998% and 99.9999% purity with both
accuracy and
precision with...
statistical rigor.
The question is: can they?
And before one does this "purity measurement" or assay, from a scientific or engineering perspective, implicit in this performing this purity assay is that one has first performed a statistically-valid
measurement system analysis (aka MSA) to establish that the purity measurement system has sufficient
power that these differences can be measured with...
statistical rigor.
Have you or your manufacturer performed a statistically-valid MSA to demonstrate that you can distinguish impurity levels as small as 0.0001% with statistical rigor?
When I refer to statistical rigor, I'm referring to the standard best practice of having 95% statistical confidence in this measurement, where ⍺=0.05 (the industry standard of rejecting the Null Hypothesis, if it is in fact, true)
So...what this means is: can you or your manufacturer
accurately and
precisely distinguish a purity difference of 0.0001% from 0.0002% with 95% statistical confidence?
If you can't, or haven't done this, then a claim about 99.9999% purity of the copper cannot be made that has any scientific or engineering legitimacy.
My understanding that the most valid copper purity specification as used by the copper industry is: CDA-101, which specifies: Copper (incl. Silver) 99.99 Min. Phosphorus .0003 Max. Tellurium .0010 Max.