I don't know,
I just bought a TT81 large dual arm plinth from this seller who sold an 801 not long ago
https://www.canuckaudiomart.com/details/649456972-top-model-victor-tt801-turntable-with-original-box-and-accessories-reduced/images/1971109/
he knows a lot about these units, sells a lot of good equipment, perhaps he can lead you to a copy of a manual
very cooperative, my unit arrived perfectly packaged.
I just bought a TT81 large dual arm plinth from this seller who sold an 801 not long ago
https://www.canuckaudiomart.com/details/649456972-top-model-victor-tt801-turntable-with-original-box-and-accessories-reduced/images/1971109/
he knows a lot about these units, sells a lot of good equipment, perhaps he can lead you to a copy of a manual
very cooperative, my unit arrived perfectly packaged.

