OT for a Univox 255r

[jcollins]

I've got a Univox 255r with a bad output transformer. I understand that
the power tubes in this amp, two 6973s, put out more power than el84s
or 6v6's. I'm guessing that an OT suited for the latter tubes might
get overpowered by the 6973's, but I don't really know.

So in short, I'm looking for some advice on what to use as a replacement OT.

Thanks

jc

[jcollins]

Here's the schematic for the amp0:

http://www.univox.org/pics/schematics/u255r.gif