Thanks for the quick response and knowledge!
Regarding driver size I should have mentioned that cabinet portability is a factor at this point so I can't compare the 1X15 solution to some of the multi driver cabs as some are too big. Although perhaps a 2x10 or 2x12 might be an option...
I am a long-time electric guitarist and gearhead but don't know anything about bass gear except what I have learned from research material, a lot of it here.
Looking at a 1X15 cabinet and separate head. Some day a 1X15 or 4x10 may get added to it but for now, it will be played at gigs as a...