27-01-2014, 06:04 PM
I would also say it's for 220v operation, I'm sure that's a field coil across the HT (see link below)
http://www.trioda.com/shop/index.php?page=schematic&schematicid=550
Lawrence.
http://www.trioda.com/shop/index.php?page=schematic&schematicid=550
Lawrence.







