Any info on Pentagram Speakers?

Hey all:

Hoping somebody can give me some info. This morning on my way to work I responded to a CL "free" ad for a pair of "big, black, heavy 5-sided speakers on wheels". Thinking they just might be Khorns or something cool like that, I went. What I found are a pair of Pentagon speakers - the only identifying mark I could find so far is "Pentagram Loudspeaker Corp" or something along those lines on the paper label on the bottom. They're 3-way, black veneer over 1" MDF, very heavy internal wiring, pentagonal shape tapering up towars the top. About 3 1/2' to 4' high (sorry to be vague, they're in my car right now and I'm at work; I'll get more info later and try posting a pic). These have not been treated well. A cat or seven went at the grille covers, the veneer has been rubbed thin in places, and the owner proudly showed me the woofers he refoamed himself - with foam rubber and white caulk, lots of it. The woofers might well need to be reconed or replaced. They have what appears to be a dome midrange and a ribbon tweeter. They are on casters, thank god, otherwise I might not have been able to get them to my car as they weigh probably 75 pounds apiece.

The bottoms of the speakers are open and there is no internal damping in place, don't know if that's intentional or if a bottom plate or something has been removed over the years. If I had to guess I'd think maybe there had been a passive radiator down there at some point.

Anybody know anything about these beasts? They look like they could be cool with some effort on my part. Thanks!

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