I saw them in the Kingdome circa 93 for the Voodoo Lounge tour.
They blew the roof off the place with some new PA/Sound mixing technology.
They could delay the sound in back and have it emit from the speakers at the same time as it would reach the rear from the front speakers.
Everyone does that now and every venue is as good as another.
But NOTHING compared to the show in the Tacoma Dome, the largest all wood venue in the world.