I'll go through it for you slowly so hopefully you can comprehend. My response was to dynaquest4's asking why manufacturer's don't supply upmarket cables with equipment? As I've explained it would be uneconomical and commercial suicide for a manufacturer to do this.Manufacturers realize end users will roll cables or tubes so just supply inexpensive for stock. No matter what they supply for stock, it will be changed. IMO, nothing to do with economical and commercial suicide.
Probably with exceptions for Shindo, KR Audio 1610 base amps ...
I then gave an example as I'd recently done an A/B with 2 of a manufacturer's CD Players. The initial XLR cable I chose to use sounded really nice on the CD-S8 but not so great on the CD-S7DAC. Now if you bought the CD-S7DAC and had to fork out an extra $500 or so because the cable was included would you be happy? This was a perfect example of why manufacturer's (that I know of) don't supply upmarket cables.Is it not possible another customer prefers the INITIAL XLR over the $500 cable? Eye of the beholder!

