Exactly my thoughts Marcus. Although I am not critical of people using such leads as the placebo effect (the only explanation I have so far) is very powerfully and routinely used in medicine.
I would love to have a proper provable scientific explanation, it would mean I could economically get even more from my systems.
Thoughts, Chris smile

No 18 in the Hall of fame smile I have simple tastes; I am content to settle for the best:
GIK monster bass panels, rear wall. QNAP TVS 471i3. Roon into DSP5200SE via 210/ 218 zone... Explorer 2. Bluesound Pulse 2, Mini & Flex. 596v1, 518, Foxsat HD, Sony BDP, Pioneer 5090, 2 Chromecast's for LRB videos. MS200 to F80 for a Roon zone