wow and flutter specs, DB, etc...are very valid on the Technics , suspicious as I found out on the AT. They did not post their best. just the less than. Regardless, since wow, flutter and Db have NOT been an issue in my listening, I suspect only the MOST CRITICAL LISTENER would ever find it and that said..why is the MOST CRITICAL LISTENER buying a $200 table? If you stand on that argument and that the superior engineering..etc etc. then you don't get the point of this whole comparison as I have said time and time again..what is the value you get for $200...It may not be a REGA 3 , or a Pro-Jetc Debut Carbon or a new out of the box Technics SL1200 Mk2 - but for a 1/3 the cost you get a damn fine table.
You can't assume only most critical listeners hear wow and flutter or rumble, it simply isn't true. Both are important since they affect the music and consequently pleasure for many. In fact, wow and flutter can occur on the record, because the hole is imperfectly centred, the turntable for obvious reasons, and even on the master tape. It can even be reproduced on CD - have a listen to "While my guitar gently weeps" on the CD of the white album and you'll hear it clearly. The fact that rumble and flutter doesn't bother you isn't really the point, since it may bother others.
It may be worth running a speed test on both decks. If you have a test record with a 3150hz test tone, you can use the Dr Feickert free app, which will show you whether the AT's published specs are indeed conservative, and whether your Technics is close to spec.
I think you were right: a more appropriate test would be the AT up against the Rega RP1, Pro-ject Carbon, Duals and Denon budget decks which retail here new around the same price. It may well compare more favourably than any of them.
If you want to compare the copy against the original you have to take into account original new selling price. If you look at the Technics new price until close to the end of production, it was around the 299 - 300€ mark here. I bought mine new for 199€ in 2010. At that time the AT was 299€. Even if you take the last new selling price of the Technics as being 499€ then it was still a major bargain and, to be frank, there'd be no reason why you'd even look at the AT.
Let's also not forget that in watch terms the AT is the fake Omega and the Technics the real thing. No R&D, no development, no tooling up, just a bit of styling to make it look the same. What is interesting is that there is a story that the new AT follows a lot more closely the original Technics motor design, and as a consequence the w&f has dropped to .1%, in line with other current budget turntables. Now that would be an interesting turntable to investigate in its own right.