| Although some of use cabs that blur the line a bit. Accugroove, Acme, AudioKinesis, EA, fEarful, Flite and others produce extended-response cabs that can still take the punishment of live electric bass, but have a broader, flatter frequency response than regular cabs.
And at the high end electronics-wise, some guys running separates use big rack rigs that feature big PA power amps, for extra oomph and flexibility. | 
