Can Interconnects be converted to speaker cables

Morrow Audio cables, at least the early ones (I don't know about current versions), used the same thin solid core wire for both ICs and speaker cables, just a few more strands for the speaker cables. I'm still using them in both roles and like them a lot. Many speaker cable users employ quite thin wires very successfully.

I've been on both sides of this one. As to the thin wires I can assure you it does not sound terrible. Far from it. Back when Listener magazine was alive I read the late Harvey Rosenberg's treatise on thin solid core cables, using Radio Shack magnet wire, and gave it a try between speakers and amps at a time when I was using biwired Kimber 8TC between my SET amps and ProAc Response 3 speakers. Two single strands of 28 gauge magnet wire sounded a hell of a lot better as speaker cables than the Kimber, at that time, in my system, to my ears, though I was not alone.

Since then I've tried thin ribbon cable (Omega Mikro) and everything up to 14 gauge stranded. As noted, I'm back to the thin solid core Morrow Audio IC/speaker wires.

As Clio notes, it can be done and successfully. Try it and see.