Duelund 16ga vs. 12ga


I've read some comparisons on-line, but am curious about others' experiences comparing these two gauges of Duelund hookup wire...

I currently have 16ga on a pair of Coincident PREs which require four separate runs of cable (to power the subwoofer and head units).  I'm trying to figure out if I should replace both sets of wires, or leave 16ga on either the head units or subs... or just stick with the 16ga on everything.  I have two goals, 1) to extract as much bass as possible out of my system, and 2) to get the most natural tones and textures.

Any input is appreciated.
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@grannyring will surely weigh in, but in the meantime, getting two runs of 12 awgs opens up at least three possibilities:

1. simply replacing the bass run;

2. twisting together with the 16 awgs (effective awg 11) for the bass run;

3. twisting the two 16awgs together for the head run (effective awg 13), and using the 12 on the bass.

I agree with twoleftears comment, I would also add that it depends on how long the cables need to be. In my experience I prefere the 12 gauge for bass runs. IMO anything over 8' (for bass) should be 12 gauge.