Zanash - the RCA version isn't balanced. My CDP has DIN, XLR and RCA Phono outputs, so I can pick and choose. My preamp only has RCA Phono inputs. The maker is BMC, but I must add that the price I've been offered is not a regular price. Here's a link to the site:
Link to Pinnacle Gold I/C
...they also do power chords which I've very tempted by. As a possible solution to my speaker cable dilemma, I'm looking at the following:
AntiCable Speaker cable
...which is very affordable, small enough to run under a carpet (a major requirement sadly) and getting some surprisingly good press. Not entirely sure why a single drawn length of solid core OFC with ultra thin coating (with negligible insulation) should sound so good (allegedly) but at $10/foot-pair, it's cheap enough to take a chance on the hope that the hundreds of recommendations are actually talking the truth...
John