06-06-2017, 10:12 AM
Then there's some service data that imply 4 separate cathodes in the schematic but 2 separate cathodes on the valves pinout diagram:
https://www.doctsf.com/documents/schemat.../VHF71.PDF
Lawrence.
https://www.doctsf.com/documents/schemat.../VHF71.PDF
Lawrence.







