Mr. twoleftears
A
4/0 AWG or 0000 AWG has a cross section of "only" 2x a 0 AWG as well
as better resistance.
By the AWG table, the steps between two consecutive AWG cables is not twice as
good resistance.
When I write 2x 0 AWG, I meant two 0 AWG cables in parallel.
When I write 4x 0 AWG, I meant four 0 AWG cables in parallel.
If you could use two mono blocks, placed next to the speakers, or back to back,
it would be way thinner.
When
someone have a fireplace between the speakers and requires 20'+ to make the
distance between the amp. and the speakers,
It takes
the extra thickness, to compensate for the length.
The
cable resistance formula: R = ρ x L/S when
ρ is the cooper conductivity
(1.68x10-8), L is the length in meters and S
is the cross section in square mm.
If length
gets twice longer, so needs the cross section, to keep the same resistance: R