I'm also in Europe but my M/P has exactly the same transformer.
They just put in an additional 2:1 transformer in front of that!

I'm not sure if that was Korg policy or whether I have a US model
that was adapted by someone.

> I just measured mine (which is working reasonably well). The output
> at the secondary of the transformer is 46.5 Vac. The voltage measured
> across the large filter capacitor was 22.4 Vdc. Bear in mind that
> these are with a 120 Vac/60 Hz line input voltage, so what you see in
> the U.K. may well be different than what I'm seeing in America. I
> hope this helps.