08-12-2014, 10:41 PM
If you don't have a tube shield over the 78 (IF) tube, the radio is going to squeal like crazy.
Make sure it, and the 75 2nd Det-AVC tube have shields in place.
6A7 should be OK without a shield.
Make sure it, and the 75 2nd Det-AVC tube have shields in place.
6A7 should be OK without a shield.
--
Ron Ramirez
Ferdinand IN