Quote Originally Posted by walpurgis View Post
Think I've tracked down a suitable transformer, but I'll check it over before ordering bits. Just wondering if a decent SMPS could be an option. Need to locate my multimeters now. Not seen them for a year or two.
It's not going to be the transformer Geoff if one channel is OK.

I recall there being separate rectifiers for each channel that are mounted above the transformer, check those first.