11-08-2020, 10:29 AM
Realized when trying quickly to get some life back in the FM, I simply pulled another 12AT7 tube from an FM receiver I'd not even looked at yet. When I reinstalled the 12AT7 to that FM radio no indication of any FM reception on that radio either. So... may have just traded one bad tube with another bad tube in a fit of lazy trouble shooting. Since there is a chance it was knocked off a table while plugged in and playing it may have saved me a lot of time just ordering all new tubes to start with. Hello credit card my old friend.