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In Reply to: RE: First Your "Total nonsense" to Satie, now your "ficus tree discussions" comment. posted by Davey on April 02, 2015 at 22:55:58
You don't need to convince me. What you are doing is educating all of us. Whether or not I end up agreeing is immaterial.
I continue to disbelieve in the idealized source models for current and voltage behind the Sanders test.I still think that it is a better idea to do the test with the cable connections disconnected and connected at both ends when switching from one cable to another. Even if the assumption of idealized source is maintained then the results would still be more definitive.
Follow Ups:
Some things (and electronic audio equipment) in the real-world can function pretty close to a theoretical model. (In this case a voltage-source.) However, it seemed that was a premise you couldn't accept so I understand why you continue to disbelieve.
The incorrect analysis about current splitting/sharing and various other conclusions were formed after you'd run off on a tangent. I made an attempt to bring you back but wasn't successful. Oh well.
I can't disagree with you that doing an actual physical switch of the cables might be more definitive...maybe...but by how much? Regardless, that option wasn't in the original premise of the Sanders evaluation technique. In fact his WHOLE objective was to set up a configuration where you wouldn't have to resort to that. :)
Discussions like all of these are of limited value if an audiophile can't agree to accept basic engineering principles. I find this somewhat amusing/ironic in your case since you are an engineer. :)
Cheers,
Dave.
We were always taught to keep in mind the simplifying assumptions and approximations we are using in order to have a useful equation and to make sure they apply where we use it - and if not then how to determine by experiment how much of a fudge factor should be used. Also, we were taught that actual results matter more than sticking to the application of equations. That is why where there is a chem E there is a lab nearby.
Well, did you actually perform the Sanders experiment and produce some actual results? :) At least I'm basing my opinion on a solid electronic engineering principle and previous/actual/similar experiments along those lines.
Maybe considering some alternate (non-audio) examples might persuade you. Off the top of my head, how about the power distribution system in your home for example? (Think about that one a bit.)
Anyways, WAY off topic for this thread. I'd still like to learn of some solid (incontrovertible) information regarding the "i" configuration of the 3.7's.
Cheers,
Dave.
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