Do materials alter frequencies and speed?

>>According to that data, the zip cord showed a .25 dB drop just above 20
KHz at 8 ohms.<<

As usual, this is vague. "Just above 20Khz?" When you talk about
a .1 dB drop at 20Khz as if it is the Niagra Falls, who knows what "Just
above" means to you. But, even if this were true, .25 dB is still waaaaay
below the 3.05 dB change needed for detection WITHIN the audio band.

>>i have to wonder where you obtained the figure of .1 dB at 4 ohms.<<

From ----

http://www.audioholics.com/techtips/audioprinciples/interconnects/
SpeakerCableFaceoffp2.htm

Table 3 illustrates comparative insertion loss, total loss at 20 kHz, and
associated change in group delay within the audio band for 10ft lengths of
cables based on their measured RLC parameters all terminated into 4 ohm
loads.

Go there, look at the table, and you find that a 10 foot lngth of 12 AWG Zip
Cord measured .088 dB down at 20Khz when driven into 4 Ohms.

It's all the same stuff I've posted to you before.

I specifically mentioned 22 KHz at 8 ohms in my previous post. Is that specific enough for you? If it isn't, please refer to the article that you based your entire argument on. Other than that, anyone that can do the math should have been able to extrapolate the center frequency at 8 ohms based on the divisible factor of .5 as impedance is halved. Sorry if this is too complex for you. Sean
>

Why not conduct some simple "non blind folded" listening tests and see what you find? I'll send you some inexpensive Nordost cabling and you can listen to it in comparison to both zip cord and to your Canare's. Given that the zip cord and Nordost are both quite high in nominal impedance, this should be a relatively "apples to apples" comparison in your eyes. I would be willing to accept your findings, regardless of the outcome. This will either confirm the ideas that you've been promoting on-line or open up your eyes, ears and thought process to a whole different world. Sean
>

Dude -- try to stay focused. There's no need for me to repeat the work done
in the study I referenced. What, do you think I am going to listen to a few
cables and say, "by god, .1dB down at 20Khz *IS* audible. Sean is right to
give out incomplete information and half-truths!" That's the issue here. It
ain't gonna happen. Your insistence on "sighted" cable tests tells
me everything I need to know regarding your methodology. If I were to go
around telling people I know I can hear .1dB down at 20Khz because I passed
a sighted cable test, I would expect anyone with a modicum of intelligence to
laugh me out of the room.

Here's a better test.

We get ABX equipment. We arrange four test tones. One flat and one .1 db
down at 20Khz, one flat and .25 db down at 22 Khz. You show that you can
reliably tell them apart. We're talking pure test tones, which should make it
easier than listening to music over the entire spectrum. Masking from other
tones is completely removed. If you pass, then we book you on a tour of
County Faires this summer where you demonstrate your ability.