08-20-2014, 02:31 PM
Terry
What is the summary voltage of the heaters, as it dpends whether 12A6 has the halves of filament paralleled or not. Is it 18V or 12V?
What is the summary voltage of the heaters, as it dpends whether 12A6 has the halves of filament paralleled or not. Is it 18V or 12V?