Oh I totally agree that they were still actively using those, and why wouldn't they? That gear had delivered the goods before, they made some great tracks with that stuff, why not use it again? It's sadly an ethic in terms of music gear that the 80's and the digital revolution pretty much eliminated, where for a time it had to be whatever was new at the trade shows no matter how bad it performed or sounded...as long as Studio X had the latest gadgets, they were good. What crap, right? It led to travesties like Summer In Paradise where it was actually touted that a beta version of ProTools was used to record it, even though it was buggy as hell, took exorbitant amounts of time to refresh and reload when working with it, and ultimately it sounded like vanilla ice cream melting in a surgical sterilizer.
Donny, in the early 90's a buddy and me did a late night raid of a studio closet looking for cool sh*t to use on a project he had to do, and found piled up things like an old Linn drum, an old analog synth board...just collecting dust more or less. In favor of digital replications that at that time simply were not that good. It was bizarre. We pulled them out and used them, lol.
I previously listened to your music on my headphones for the most part and speakers I wasn't always happy with, so it will be good to spin your album and hear it in the room. (The only casualty to setting up the system was my old 70's Technics turntable which I thought worked, which weighs like 30 pounds haha, but when I fired it up, the mechanism wasn't working. So I had to compromise and fill the gap with a 1980 Sansui direct drive instead until I can get the Technics back in shape.)
For sure, this is why Fender Rhodes and Mellotrons were so cheap through the '90s.
I think the group updated to some degree (I think they may have ditched the Rocksichord at some point in the '70s and obviously updated to ARPs, Moogs, etc.) but overall didn't get into the shitty stuff until the '85 record.
You won't catch me anywhere near any version of Pro Tools personally ...