Polk SDA/SRS (first version) and Rogue Monos

I know these questions can become redundant after a while but want to ensure I don’t damage either my new amps or Polks. Does anyone have any experience with using SDA speakers with the Rogue M180 Tube Mono Block amps? Not sure if they are ‘common grounded or not or if they would cause damage hooking them up to my original Polk SDA/SRS speakers. I happened to come across a pretty mint set of the Polks which sound great but just changed my amps from a stereo SS amp to the Rogues. Would connecting some speaker cable between the two negative terminals of the amps resolve any potential issues? Thanks in advance for any advice.