Any one know what type of connectors connect to the external speaker connection board on the back of the cabinet? Attached is a circled photo of the OP’s external speaker connection board circled in red and a manual that shows a type of 2-prong plug to power external speakers. Regular banana plugs d...

ST82A photos attached, it'll be interesting to hear how it plays when I get it back. I'll try to copy the specs and paperwork I have for both models and upload it soon.

SK33 photos attached. Tube sound is nicer than the modern HT amps I use. Nice to have a 15" sub in the cabinet. I'm considering trying to try to frame-in the speakers and sub in the sk33 and add some foam sound mats so they perform more like a sealed speaker. Not sure if that'll help make a tig...

I don't have much knowledge or electric engineering skills so 5 posts might take awhile. I'll try to get info about and take pictures of the transformer that's installed in mine soon so it can help the original poster find and install a transformer. I'm new to classic hifi. A few months ago, I bough...

I will make a higher resolution scan/picture and try to post it there soon. I've got the original sales packet and schematic

Hopefully this schematics I found with a recently bought st82a is helpful