I never implied the magic of copper
Im just saying...do whatever it takes to achieve the right effect.
I meant the effect is subjective. i might think it helps...you might not. And some people DO find a difference in a change of tubes. The penny example wasnt a good one I admit.
The hardware you buy is to enhance one's musical preference. What type of hardware depends on personal taste. Sounds like Bturk.

"Phew you really believe that?" is that a personal attack?