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RE: I don't think you understand the concept as much as you think you do

Posted by Davey on July 10, 2017 at 09:39:15:
Dave.

Good points. Obviously you are correct that to 100%, absolutely, fully, maximize, etc, etc, control an A/B test like this, you would not parallel the interconnects onto a single source....without some facility to completely switch out the unused one.
I have talked with Roger a few times, but not regarding this interconnect cable test scheme. So, I'm not really sure what his specific thinking was/is.

Regards lumping of characteristics: If we really want to get down into the weeds on this, the capacitances of two, simultaneously connected interconnect cables do not strictly appear in parallel with each other. Even a simplified equivalent circuit would illustrate this. There are multiple series and shunting elements to consider.

Regards possible ABX testing and gadgets to achieve it, it really is a can of worms with numerous potential pitfalls. I'm well aware. :)

Dave.