Ideas for Biamp with mc611 and mc275?

@fiesta75 

How does one go about bypassing the crossover's? Is this a DIY exercise which I guess requires you to go inside the speakers and remove the filters and have the drivers directly wired to binding posts.   
 

You will need a McIntosh MEN 220 to do this or it's equivalent. 

Aaron 

Yes, you will need to access the drivers and binding posts and disconnect the internal crossovers from the binding posts. Or simply add another set of binding posts. 

Men 220

Not sure I understand the value of a men 220.  Unfortunately it doesn't come with Home theater capability, and it doesn't provide a graph of your room situation.  It's a box that requires you to test the room and then it comes back with a room correction for all those pressure amplitudes that may be out of sync. Basically it cost $6000 to treat your room, and then you leave it connected to your system. It does provide crossover capabilities but that's a small piece of it I guess.

It does seem woefully over priced. 

It can be done but you need to preamps/volume controls.

the first preamp needs two outputs. One would go to the less powerful amp and then one would go to the second preamp/volume control then out to the more powerful amp. This way you could adjust the balance with the second preamp then use the first one as a master. 
 

For what it is worth my local shop was playing around and use a MC275 and MC7200 to byamp a pair or 805D3s. I did not listen in extreme detail but it sounded nice on the surface.