Length of speaker cables

Mr. dannad

1. I was not answered properly. So till then, you can post questions...for others. I’m not in your game.

2. The cable’s parameter to go with, is not Fr. nor C and L.
3. Even though you wish, I’m not going to play your game.
4. My cables are not 5mm apart. they can be at any distance as they are separate. I have 4 cables for 2 speakers. 
they are individual. I've told you that already and you do not listen, or ignore it deliberately. 

Mr. dannad
I’m still waiting to your answer:
What is your Amp’s DF?
What is your cable length?

As for your claim, if 5mm apart = 0.4ohm, and 4’’ (10cm) = 1.2 ohms,
than a 1 meter apart, that cables would become a high value resistors...
I don’t think so!
The AWG table say nothing about it.
a #4 AWG, 3m long is 0.00243 ohms.
It can drive 60A @ 650Hz. At 1.8A it will have a full BW of 21 kHz.
At that Fr. you never reach 1.8A...

Mr.  dannad
It was a dubious conversation. We started out with short and thick cables between monoblocks and speakers, ended up with orchestrated BS.
You was kind enough to draw the conversation off tracks as far and low as possible. Sorry, but none of the stufe is relevant.
Just like so many with speaker cable salesman and makers, you think that snake oil is the solution. 
Well, NO!