Curious How These Nordost Speaker Cables Do What They Do


For a day and a half I’ve been listening to Nordost Red Dawn Rev.II cables in my system(Quad VA-One and Dynaudio Excite X14),courtesy of a friend who is in turn demo’ing some ungodly expensive upgrade...My reference are the Acoustic Zen Epoch..What these cables have brought to my system are:
The first thing I noticed is the music seems to come easier,ie:a touch louder than normal at low levels and it’s so clean I find I’m listening louder..
wider,deeper,and sharper defined imaging and staging...deeper,better defined and tonally richer bass...increased low level detail retrieval...a treble that is not as easy on the ears but seems better defined,almost sharp and I can see where some systems could move way to far into bright with these cables...
So I attribute the cleaner/sharper tone to the addition of high purity silver to the cable but I wonder what it is about the materials and construction that allow the bass,imaging and staging changes and especially the ease which music seems to come now?Any comments(from those who have found cables do matter)and NOT from those who believe they are snake oil PLEASE!!!
freediver
@jmcgrogan2   Any advice on how to go about mixing cables for best results, based on your learning curve? Thanks.
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My style is choosing the speaker cable first then pc, from there I will play with interconnect.if you been expose to many different cables, you know which cable to choose, example if I want more clarity I go with Kimber  ic, their kcag and silver streak does that, they have expensive one as well.If I want to have more weight n tonal balance Audioquest cables are good choice.If you want more air Teo GC is good at it. Nordost are really fast...Clearday are silver less bright than other silver, If you want with sparkle sound siltech is doing that... It’s a lot of work....if it’s your passion it’s really fun...other tip, if you think the cable has potential to your liking leave it till it settle in the system.           
Agree with Jmc that what initially can sound exciting and more detailed can become too much over time.  Not saying it will, and it all comes down to system synergy and individual tastes in the end, but something to keep in mind while auditioning.  Also realize that you're comparing to cables that cost about 3x your current cables.  At that price you'd skip two levels at AZ to the Holograms, which would be a more realistic, fair, and probably a more interesting comparison.  Be that as it may, enjoy listening and comparing. 

@jmcgrogan2   Thank you for your very thorough and detailed response. Very, very helpful!