RCA Phono Interconnect Under $400

I own a Zu Xaus that I've been very happy with, and their current Mission Phono is in your price range:

I’ve been using these excellent and reasonably price pure silver interconnects for more than ten years now, and have recommended them to several other very satisfied users:

Visit their website for links to several reviews and many user comments.
 

Review for Stager phono cable:

Just to point out that the video cables almost certainly do not have separate and equal conductors for audio hot and audio ground. In my experience that makes a difference. In cheap 75 ohm video cables, most likely audio ground is carried on the shield which therefore must be connected at both ends.

@jrcotner 

Don't rule out Signal Cable. Frank makes cables, wire, interconnects,etc : all high end at giant killer prices. Perfect for your short run. I have had him make me xlr, rca interconnects and speaker wire as well as my phono turntable interconnects to my phono preamp. . Check him out. 

Zavfino