Those brands were in the consumer market? They were far from mainstream. I worked for a JBL dealer and we started carrying a couple of Walnut-veneered models, but they weren't an easy sell, partially because the end user needed to think about the crossover and amplifier that would need to be used. Granted, we were a mid-fi store, but most people weren't in the 'assemble a great-sounding system' market, they were in the 'walk in, pick something and take it home' group.
Someone here has one of the JBL subs- maybe they'll add to this thread (I haven't found the model, yet). Those definitely added a 'live' sound but were a bit too much for most speakers to call it a good match.
WRT the power needed for the subs, good system design includes consideration for the speaker sensitivity and blending the subs and main speaker output- however, a well-balanced system won't have enormous LF output with only a squeak coming from the main speakers. Subs that are efficient and sensitive don't need a lot of power.