David has searched the world over for the cheapest most natural sounding spool cable he could find and as I indicated earlier he makes his own cables from spool cable bought in Asia for $300 for 50 meters. It was indeed a revelation
When you control and know in depth all the variables of your system and spend a life time with great expertise and passion miracles can happen.
I have found that cables are less critical in analog systems than in digital ones, but it is just a feeling.