| Having had both (currently the 230), all I can say is that it was very familiar compared to my memory of my early 90's Red 3.
I would be surprised if they actually changed the circuit board when they stopped including the transformers, in which case you could theoretically install the transformers into a newer Red 3, right where they would have been ...
Tony Marra of Thermal Relief (the US repair facility) seems to post here (as 'tmarra')... Perhaps he can answer the question more accurately...
-dave |