If your gear is TRULY balanced... definitely use XLR.
Flavor however, is another story.
Morrow is silver plated solid core copper and I have no idea how pure the copper is and Speltz wire looks like common magnet wire. As far as speaker cables go the Morrow SP3 or SP4 is well above the magnet wire. I have not tried the Morrow ic's but I did have a couple pair of anti cable ic's a few years ago. They are a bargain. Another good deal is the Vintage Audio Labs pure silver solid core ic's on ebay. I am pretty impressed though with the Morrow speaker cables so my feeling would be to try the Morrow ic's.
Morrow audio is great...I'm trying ma3 right now, I would go with this and i'm buy ma4 later! I haven't try speaker cable but I don't have to guess, it must be great!...For Anticable, IC was little disappointment for my audio gear, but Speaker cable it's top...now thanks for these guys I don't have to spend sooo much money cables..
How would you like to try an interconnect that is TRULY hand made? What I mean by that is instead of running a wire through a teflon tube and calling it an interconnect..OR, buying pre-manufactured cable that can be terminated with whatever plug you want...why dont you audition an interconnect which even the sheathing is completely had made. Let me specify a few specs that these interconnects have:
1 - best wire manufactured for conveying electrical signal that is composed of 2 types of material (Cu/Ag) wound together with a specific tolerance between coils.
2 - air dielectric
3 - shielding is layered in a calcualted number of wraps around the material surrounding the conductors. All hand made.
4 - the shileding material is an extremely thin Alum. foil that has a protective layer of polymer that blocks all moisture from entering the cable.
4 - cable is made to withstand breaking. No flimsy excuses for "delicate" engineering.
I am trying out the Morrow MA3 IC which I received over the weekend. They are not broken in yet of course but so far I have not had another IC give this big of a presentation. Volume and spatial cues are much more prevalant with a nice warm open feeling to them. I am probably going to have to give the MA4 a try with the upgraded connections. Not affiliated with Morrow Audio.