It's strange, we don't usually see speakers like this very often. They showed up on the local CL for 300 and sat there for a while, I mean they are missing a woofer, but still it didn't seem unreasonable. Anyway they sat there and then came down to 175, and I thought for sure someone would grab them. They were in a questionable neighborhood, that could have kept some people away. I asked if anyone else checked them out, he said yes but they didn't want the project. On top of that, they were moving, so they had to get rid of them.
I don't think I have the correct amp for these, for the time being I'm planning on using a Yamaha M-4, I just won't push it. Is there that much of a difference between the AR 12 inch woofers (with the flat sides), as long as they're the foam surround version, not cloth? The woofers that came with these are stamped '561-7844' and also have stickers with '200003 made in USA', I think that means they were 1978. In fact all of the drivers were stamped between 7838 and 7848, I don't know if that means anything really. Yes, I'm pretty set on doing the crossover, at least the upper one for now. I spent quite a bit of time at classicspeakerpages, great info thanks!
As far as the amp goes, the Yamaha is the most powerful thing I have at the moment (170@4ohms), I usually don't listen at ear splitting levels, we'll see how it goes,.