06-11-2016, 02:48 PM
(06-10-2016, 12:22 AM)Arran Wrote: Check the plate load resistor, 470,000 Ohms, on the 12SQ7 tube, if it's open you won't get any stations coming through. Also if the output transformer has an open primary you won't get any audio at all.
Regards
Arran
While still connected that resistor is at 530,000 ohms....