Experiment. The suggestion using a Schiit SYS is very valid. I own two FW amps. An F5,and J2. I have two systems. One uses a passive pre,the other is an active tube. I have run both amps with the passive,driving a pair of not too sensitive Graham Chartwell LS3/5's. The cops will definitely not be called to my house for disturbing the peace,but the volume gets loud enough for my needs.
