Captain:

In my music only tube driven system, I use M2s each with its own little monster EP400 sub. M22s would be great also.

I employ the Speaker Level inputs into each EP400 from the amp's Speaker Out terminals - this gives true 2 Channel Stereo (2.2?).

The M2s roll off naturally below 70 Hz where the EP400s take over. This is just an outstanding, fairly compact system that reaches deep & loud in my fairly large room...

TAM