Post update:
Here is a reviewer’s similar take on this system synergy factor for which speaker cable to choose:
".....Apart from that, the (SUGDEN) A21ai had nothing up its sleeve. It seemed more or less indifferent to choice of speaker cable—in whatever system the amp was used at a given time, cable changes made little audible difference—and while substituting a very expensive AC cord for the stock item made a subtle improvement..."
http://www.stereophile.com/integratedamps/sugden_a21ai_series_2_integrated_amplifier/index.html#6wvq...i would not ignore the significant impact of the other two cable types in your rig, so here is my repost on that of what the LFD gurus suggest as system upgrades:
http://lfd4u.com/2016/11/29/lfd-phono-stage-upgrade-the-power-cord-first-or-the-interconnect/
LFD AUDIO: Phono stage; upgrade the power cord first or the interconnect?
Posted on 29th November 2016 by Howard Popeck
".... Hi Howard I just received the Power Cord as ordered plugged in to wall outlet already definite improvement over shunyata cord ,I was wondering if another Power Cord would benefit my lfd phonostage ? or should I look to upgrade my Interconnect from the Spirolink to the grainless first thanks again for your help.
You pose an interesting question. It depends in which direction you want to travel next.
In superficial terms, if there is a desire for greater bass ’heft’ and ’slam’ then the Power Cord is your next move.
If more detail, less sibilance on female vocals and a greater sense of ’sweetness’ then the Grainless is the way to go..."