I don't know models, but I know that Jim used Goertz flat cables in the development lab as his reference. Jim's perspective was that cable performance is cable business. He felt that Goertz performs cable business the best he found. That may seem obvious, but it is not commonly practiced. Many designers choose to ameliorate or mitigate various upstream problems . . . pull punches, soften, generalize, etc. to keep things polite, avoid offense. Jim, however, was committed to high resolution translation of the signal at the input terminals. Some folks appreciate that. Thiel assessed that to be the purest statement of the art.
http://www.bridgeportmagnetics.com/contents/en-us/d62_MI_AG_Speaker_Cables.html
http://www.bridgeportmagnetics.com/contents/en-us/d62_MI_AG_Speaker_Cables.html