Antonio Vernucci wrote:
You sure the power supply filter caps are good?

Please read my self-reply.

If you pull the detector tube out, is there hum? How about the last IF
tube? How close to the front end can you get before there is still hum
after the tube is pulled out?
--scott
--
"C'est un Nagra. C'est suisse, et tres, tres precis."