need your help flying blind.

The electrical characteristics for optimal / neutral performance from speaker cables has been pretty well covered in many, many threads in the archives. If you are looking for suggestions pertaining to personal preference with the speakers that you are using, that is another story.

As far as interconnects go, this is basically a trial and error process and will be component to component interphase specific.

Having said that, 16' is a long run for speaker cable. Both your wallet and ears will be a lot happier if you can find a way to reduce the length of speaker cable required. Sean
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SignalCables. They are very natural, revealing, well-balanced, and musical. Best of all, they are well within your budget. I use them in my reference system with my Audio Physic Virgos and simply cannot believe how good they sound (or don't sound). I can decipher lyrics and phrases I have never been able to catch with other cables, even much more expensive ones. Their power cords are well worth trying too. In particular, their High Current digital AC cord made a very big improvement in my two systems. Happy listening!

you could check out 47 labs OTA speaker cable/interconnect kit. Run a search for OTA and a long thread will come up. I believe it's about $600 new for 50 meters.