Speaker wire is it science or psychology

Redkiwi: Your ignorance is astounding. Scientific theory never said digital was perfect. Marketing guys said digital was perfect. Nor does science claim that all cables sound the same--quite the opposite (despite what the equally ignorant original poster here believes). Science does say that transistors have lower distortion than SETs. I'd love to see your evidence to the contrary. (And, no, the fact that you like their sound better does not make them lower in distortion.) Get your facts straight.

Jostler - I keep asking for science. If you know of some physical laws that say cables of the same size should sound different, apply the laws and show some numbers. I am all ears.

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Dirty pool, Steve, you've changed the question. Go back and read your original post. You asked for evidence that "speaker wires sound different." Now you've added the "same size" qualifier. That makes all the difference, and you know it, you troll.

I am an audioenthusiast and also in the field of medicine. There is a lot bad science out there and as far as I know there are NO Double Blinded, Placebo-Controlled studies comparing different cables. I am certainly not aware of any studies ( I do not mean scientific lab measurements; I mean studies involving a good sample size of listeners/audio enthusiasts). Ultimately what matters in the REAL world is how clables sound to the human ear and not what it's inductance or gauge size is. So If there are any Placebo-Controlled, Double-Blind Studies out there, I would love to know. Having said that, I use Cardas Golden Cross Interconnects. But I once had my wife help me decide on whether the Tara Labs Air 3 sounds different than the Radio Shack Gold Series ICs. She would switch the cables without me seeing or hearing what she was doing (I would go to another room)and then she would play me the same music....We did this over and over for about 1.5 hours, listening to Recent 20-bit CD recordings from Dave Brubeck and the Magnolia Soundtrack(not 20 bit if it matters to you). I would take notes each time I listened. But you know what at the end my notes proved that i liked the Radio Shack brand about 55% of the time and the Tara Labs 45% of the time. I had initially done the A/B comparison between these two cables myself (the worst possible study design: Study size=1 with Investigator Bias=Enormous). During my own A/Bing I had decided that the Tara Labs was FAR superior to the Radio Shack brand until me and my wife decided to make the design better if not ideal. So why did I choose the Cardas?.....It sounded better (whether I wanted it to sound better is another story, I probably did) I was never able to do a comparison between the Taras and the Cardas GC in this Single Blinded fashion....In order to really find out one needs at least a few hundred subjects of different ages from both sexes with different hearing abilities using the same revealing audio set up and then make the study at least a single blind study run by examiners who have no financial stake in the audio or cable industry. No one will fund it!