Hi Mapman......not a risky situation of mixing tubes with SS amp on these speakers. I have heard 3 RS 1-B systems and they all used SS on bottom and tubes on top. Just need to follow the instructions when connecting the amps to the crossover. Infinity always felt SS amps on there servo controlled woofers were a better match. However, as I said before.....go for it...it you can get a monster tube amp for the bass (say a Hurricane) and one for the top...boy, give it a try!!
Rick
RWD
Rick
RWD