In this case only I have read repeatedly use long interconnects, to your amps then the shorter the speaker cable the better.
As far as imparting warmth using the cable's capacitance, it would take a bigger delta than 4 to 8. The gauge and alloy the cable uses will probably have a greater effect.
As far as imparting warmth using the cable's capacitance, it would take a bigger delta than 4 to 8. The gauge and alloy the cable uses will probably have a greater effect.