Power amp sensitivity.......


Does anyone (SEAN??) know the input sensitivity of the following amps:
Perreaux 3150PBM
Perreaux 2150 B
Krell 150

I am trying to match my top end ASL Hurricanes....
rwd
I hope this triggers some responses (if not I will start a new thread)..

My top end amp ASL Hurricanes has a high sensitivity. Therefore it plays loader then my bass amp. The Hurricane is powering the midrange and tweeter section of my RS 1-B's. The bass amp (for now) is a Perreaux 2150. Because this has a lower sensitivity I have to raise the volume on the crossover for the output of the bass. Is there a better way to do this? In other words I would like to lower the sensitivity of the ASL's to compensate for the woofer amp.