kozka
I don’t see much evidence that there are many here who are in your #3 group. That’s because many of those who would pretend to belong to that group either dismiss mountains of evidence with a wave of the hand or - just as often - simply pretend that the evidence doesn’t exist.
A typical thread on audio forums where exotic power cords, exotic speaker cables, interconnects, vibration pads/puck(?) are dwelled upon consists of:You forgot the fourth group: Those who’ve actually listened, conducted their own tests, and reached their own independent conclusions.
1.snake oil salesman en force...best markups for them
2.suckers who spent money on those, also en force...now they are looking for an atonement
3.a very small group of people with science/engineering background who know..
I don’t see much evidence that there are many here who are in your #3 group. That’s because many of those who would pretend to belong to that group either dismiss mountains of evidence with a wave of the hand or - just as often - simply pretend that the evidence doesn’t exist.