I have always been fascinated with "this" subject of new/advanced tonearm cabling.Yes,this particular signal is extremely faint,and can be altered by imperfect cabling!
There are some really cool(seemingly)and very pricey arm cable products around.Some might be real breakthroughs,but who can know for sure?....The "OLD"(great)Absolute Sound would have given us more insight into this subject.
My experience with cable comparisons have been A/B'ing Graham IC-70 vs IC-30(no contest...the IC-70 won hands down),and comparing the IC-70 against the very highly regarded/rated Purist Venustas arm cable(twice the price by the way).
All comparisons were in a controlled fashion,and well executed.
The IC-70 "still" outperformed the Venustas,and was more open and dynamic.These results were reinforced by other hobbyists present.The system was very good(Kharma/Rowland/Audio Research/Transfig cartridge).
We had found that in this particular system ALL previous Synergistic cabling(everywhere except phono) was inferior to the replacement Venustas though,including speaker cabling.I am sceptical about specific cable superiority as a general rule.Other variables can change outcome,I believe.
My feelings are that the cabling apparently is system dependent,but I'd not move to a new arm cable unless I had an A/B comparison,in my own rig!
I have no doubt the Tricon is a fine product,but that was the "story" with the Venustas at the time too!Yet,the IC-70 outclassed it!...Who can really know what's what?
Fuel for thought...