HH Scott 222C TR12-3-1 Transformer Replacement Info Needed

The power transformer in my 222C Amplifier is shorted, and I need the
voltages, (HV Secondary, etc) in order to locate a replacement.

The transformer is marked TR12-3-1,

The tube complement in my 222c is:
one 5ar4
two 6GH8
four 12ax7
four 7189

Any info is appreciated.

Many thanks in advance for your assistance,

Dan