Help identifying speakers

I bought this pair of multiway speakers yesterday. They are in a transmission line cabinet that weighs a metric ton. this is what I know from the person I bought them from.
They were designed by Steven Geist for Hawthorne Audio in Portland Oregon in the 90's. Evidently they were a popular offering. Was told they were the precursor to the Linnaeum speakers.
I was wondering what driver is in these. See pics.
They actually sound amazing. HUGE soundstage. Fairly efficient too as my 7 watt 300B SET drives them just fine.
I paid $200 for them and they appear to be worth every bit of it and then some. Can't get over how much the enclosures weigh.
Do these have a name??
 

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The highs are quite standard Vifa supronyl domes from the eighties, but that of course is clear. Vifa might have produced those in the nineties, but a lot designers chose the textile D26 series or the D25 alu domes by then because those did a better job.

The bass-mid is unknown to me. What is it's diameter? It seems a 6,5-7" to me. The magnet assembly points out it is not a cheap driver.