Is there really any benefit to biamping if you don't use an active crossover to split the signals to the the two separate amps? If you are still sending a full range signal to the amp feeding the tweeter of the speaker and the amp feeding the midbass, you are not taking any load off of the amp. For example, the amp feeding the tweeter is still going to get, say, a 200Hz signal even though the tweeter can't reproduce it. Of what benefit would this be? I see ppl talk about biamping all of the time and have oftened wondered why they would bother if they're not going to use an active crossover. Can any of you shed some light on this? What does so called "passive" biamping get you?