Driving Totem Rainmakers

Hi. For those of you with experience with the Totem Rainmaker speakers, I was wondering if you could tell me if they are capable of being driven by a modestly powered tube amplifier. I am thinking of buying these speakers to be driven by a Conrad Johnson CAV-50 (45w/ch) integrated amplifier. I was also thinking of using them with my McIntosh MC-2105 solid state amplifier. Am I going to have enough power and headroom from the tube amp to drive these babies?
Thanks,
Mike Todd