my preference is jumpers to be same cable as main cables. but check older threads, you'll get all the same answers and debate as you will here, nothing has changed in this area...
^ This. Surely it makes sense, if you can, to have jumper cables made out of the same wire as the full-length speaker cables. A good number of manufacturers, but not all, offer such an option. I'm sure any boutique maker can run up a set. And manufacturers like Wireworld offer jumpers in all the flavors in which they offer regular cables.
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