You guys have WAAAAY too much time on your hands.

The GK amp I use for extended bottom end only handles moderate ammounts because of power and box size, but when I need it .... I add a 15" BagEnd cabinet, and it really fills out the bottom end.

I use a Peavy Kosmos processor to add "sizzle" to my overall mix (like a BBE)and it has a dedicated sub output that is rolled off at a very low Hz (not sure what freq), so I can access the bass even if I am not using tops. SOmetime, in a very small setting ..... the kb speakers are "almost" enough to cover a small room, but I still miss that rolling thud that only a bass speaker can produce. Those are the times I use the GK.
As long ago as 25 years or so ...... I was turned on to the bi-amping medthod with the Peavey Tri-Flex speakers, and have been spoiled by dedicated bass ever since !
Even in a passive system (like the TriFlex)- it pays to have the bass speakers JUST do bass. It makes for a smoother sound and allows more headroom to the amp. Bass belongs on the floor, and when you put your speakers up on sticks, you WILL loose some bass response.
I have also used the mono output of my mixer to feed the bass amp with great results in medium settings, and I EQ the amp for best tone with it's own input setting, if a crossover is not available.

It's a judgement call, but over the years I have found that it's BASS, and not volume that makes people want to dance. Pump up the bass, and the dance floor will fill up. Crank up the volume, and all you satisfy are tone deaf kids or drunks with dull senses.
Try it ..... bass MAKES the sound come alive, without becoming overbearing.(unless you WANT it to be)