07-24-2014, 02:58 AM
The filter choke, as in speaker field coil, is shot? As far as I know a model 66 has the same power supply design as a model 60 as in the speaker filed coil is used as the filter choke. I have no explanation for the output transformer being bad, those seldom go bad even if the power supply does.
Regards
Arran
Regards
Arran