Toroidal transformer suitable for Mundorf Mlytic recaping of Audiolab 8000A

[freedrome]

I did upgrade the two big PSU caps of my Audiolab 8000A replacing the 25year old Elna 10.000uf 50v with new Audio Grade quality caps Mundorf MLytic 15000uf 63v. Since the toroidal transformer is rated 230VA, adding 50% of extra capacitance with the Mundorf Mlytics, means proportionally higher current pulses to recharge, taking the transformer out of its designed envelope. Not a massive problem at low levels, they say, but when driven hard for long periods, the transformer WILL overheat.:reallymad:

As I need to change the transformer, (because it started to hum) do you suggest choosing a higher power rated transformer all the way or fit with original Talema transformer rating? Should it be 250VA perhaps? because I have no idea what the new transformer power rating should be in order to suit these new Mundorf Mlytic caps without overheating. Is there a way to calculate that? :skeptical:
thanks

 

[Speedskater]

a] much larger capacitors are sometimes hard on the bridge rectifiers.
b] don't recall any reason way they would be hard on the transformer.
c] transformer hum is often caused by higher line voltage. (especially toroidal ones) (in the US 125V is not uncommon)
d] if you get new transformer, get one rated for a higher line voltage.