Warm, flexible, cheap-ish cables?

Warm, flexible, cheap-ish cables?

Cerious Technologies Graphene Extreme is exactly what you've described.  They're relatively flexible - but not around tight corners.   The later models: Matrix & Luminscape are more detailed. Not what you want.

2 suggestions.  Blue Jeans cable and Pine Tree audio.  You can contact both directly and share your specific needs and they will work with you.  I have both and they’re excellent and within your price range. 

My two inexpensive, but very good cable companies are Signal Cable, and Pine Tree Audio. I just got three interconnects, a power cable, and high quality jumpers from Pine Tree, and they are all very good. At less than the cables they replaced, they are every bit as good. And Signal Cable made me some custom power cords, and very long RCA cables for my sub. Again, excellent quality for affordable prices.

I've never owned the real, real expensive stuff, and I suspect if I did, I'd understand why some of them are so pricey. So, I'm gonna make sure I never hear them...

Warm? Cables don't change sounds. Get plain old OFC at a gauge that supports the length of the run (I always use 12 AWG which is honestly overkill). Heck, you could literally use a collar hanger and not notice the difference. 

@squared80 go back to that site that swears by measurements,cables have no sound & all amplifiers sound the same,you’ll feel right at home....
OP,mid range Pangea Audio would be my recommendation,the ones that use Cardas copper...