[Trevor]

On 15/02/2021 10:27 pm, Neil wrote
IMO, those interested in subwoofers are looking for a visceral
experience rather than an accurate reproduction, so to that end, none of
the variables really matter.

Yes that would be an opinion only. I always laugh when people try to
play pipe organ music on their LS3A's for example. :-)
Some speakers don't really need a sub, others definitely do.