Thanks, I´m reading some posts here about stage coupling an other stuff.
Last saturday, during the show, I´d boost a little the horn in my biamped head, about 9 o clock, turn a little to full the mids in my Stingray, and cut a little bit the lows in my bass preamp.
The result was a close to decent sound on stage, but lacking of bass at the audience.
I think it was the amp/cab placement. It was too close to me. In my house I did some sound testing walking close and about 3/4 meters the boominess disapear. I mean a huge difference, not subtle change. Figure that after few minutes checking different settings, with or without sansamp, Presicion, Stingray, my ears and stomach comes to hurt and a headache appear by the extreme low freq pressure.