Identifican request - 3 Valve mains superhet

[boater sam]

Check that the metalized coating of the EF39 is still connected to pin 1, they have a habit of going o/c where the wire comes up the base cap and is bonded in the coating usually with a paper washer. This causes all sorts of whistles and shrieking.
I have had lots of EF39 do this. Sometimes a replacement is the only answer.
Lots of equivalents, 0M6, VR53, and others. 6K7 should work too.