03-08-2014, 05:22 PM
The p/s isn't very critical. Just needs to make 6 0r 12vac and 300-475dc 200ma. At 300v will make about 10w of rf output at 475v 30w fone/35w cw. The plate transformer in the APS-50 has a tap on the primary which varies the output voltage. You don't need to worry with that.
GL
Terry
GL
Terry