Rectilinear Xla

TheMARPATNinja7
TheMARPATNinja7 Posts: 150
edited January 2009 in Vintage Speakers
A friend of mine has some old Rectilinear Xla's from the 70's and he is interested in powereing them with my old Pioneer VSX-D510. That reciever is 100w rms per channel and we'd most likely be looking at a stereo set-up. I know nothing about my friends speakers, can anyone help me out on this one?