No one actually knows how to lculate what speaker cable they need

Yes,  the terminating the 0-3x0AWG conductors will be the challenge in these DIY efforts.  

B4icu,

You talk like having an insanely high damping factor is a good thing! Do you know why amps with very high damping factors are lousy amps? Because they ring like freaking bells when connected to a reactive load. 

You have no clue what you're talking about. 

Be careful, kosst, he might show you his credentials. 🤭

@kosst_amojan 

I don't know if a DF of 500 is considered high, but if it is, please listen to the CH Precision M1, you may be surprised how well this one sounds...not that lousy at all. But then again, that is only my opinion, you are at liberty to disagree...