Is It Really Worth 'Upgrading' Sennheiser HD 580/600/650 Cables? - Page 13

Well, the point of the test is to show that the geometry of the cable makes a difference and it is measurable.

I truly think that cable science is only at the beginning and has yet to produce valuable data showing their effect on audio.

So do I

The key thing that is missing from the scientific observations with credibility (rather than the pure pseudo science stuff) is quantification.

Often we are told that such and such will make some sort of difference but there is unfortunately absolutely no indication as to how much difference.

Quantification can be by analysing signals or it can be by statistics from well controlled blind ABX listening tests.

Sure ... I've found that cable science is, most of the time and for most people (manufacturers, users, skeptics), more of a rhetorical exercise than anything else.

Either it comes from a cable company you tries to sell a product and back it up with some fancy literature or from a fervent skeptic who repeats like mad the same "it's all voodoo" phrase, both seem just as pointless.

On the other hand, if we approach things with an open mind we may actually learn something.

Back to the video I've linked before. In the test he basically runs a 2Khz square wave through a speaker cable and compares the signal coming straight from the wave generator to the (same) signal transmitted through the cable.

Inverting the phase on the cable end allows the oscilloscope to show the differences between input and output (by subtraction).

Just as food for thought here is a quote from Headroom's literature on square wave tests:

I wish we could see more .... science on this cable matter, so we can put to rest the ridiculous religious war between the chosen ones and the infidels.

Don't forget the Earth has been considered flat for thousands of years till proven otherwise. That hasn't made it less round, has it ?

it's been known to be round/spherical since at least the ancient greeks, and likely long before, ever since humankind set to sea or looked to the horizon and saw that curve.  I think the greeks and arabs even measured the circumference of the earth, accurately i might add.
 

But the "problem" described by you is one of mechanical vibration influencing the sound.

Where are the results of the "extensive research"  showing the nature of this problem and how it manifests itself?

I can't see how the research showing the problem exists in the first place would be "classified".

.....

I'm still eagerly waiting on an answer to patrick's simple request for some research demonstrating that mechanical vibrations within a cable influence sound quality.  Particularly now that the cable schematic is out of the bag (per post #147), I would really appreciate an explanation of the practical benefit of this design and the issue it is attempting to resolve.