Do expensive cables/wires REALLY make a difference

@ Jafant, very good cables!

it's all in the mind.

Another outstanding company is Stage III Concepts.

"Instead of asking me for proof, ask for proof from the cable companies who use ridiculous claims and flowery language to sell their wares. Where is their proof? Nonexistent, because when the difference between cheap "zipchord" and expensive wire is actually measured. That difference is inaudible to the human ear."

Perhaps Almarg was right when he discussed the interaction between the varying impedences of a given component in combination with the design materials/conductors of a particular cable.

Anyway, I'll stick with Neotech.

Mrtennis wrote,

"It's all in the mind."

That's a rather big matzo ball hanging out there. Just curious, is that comment intended to convey the idea that differences among cables are all psychological? In other words, that differences can be explained by the Placebo Effect or Expectation Bias or even the Nocebo Effect? Do you think that other audio devices, components and speakers are all in the mind, too?