CJVx AK Subscriber Subscriber May 28, 2018 #1 please help ID this tube. I can’t seem to find any markings other than “12AX7A” with made in USA above it. Thanks! Attachments 4A2A5C74-B3C1-4BF5-B937-26D4710C3C17.jpeg 31.6 KB · Views: 46 58BABB02-074C-4219-9B70-AFCA44358925.jpeg 32.4 KB · Views: 42 BEEBA4E0-6986-4C10-B1EA-C03BFB75F621.jpeg 33.3 KB · Views: 41
please help ID this tube. I can’t seem to find any markings other than “12AX7A” with made in USA above it. Thanks!
larryderouin I'm VERTICAL and Breathing...most of the time. Subscriber May 28, 2018 #3 RCA made a "Pinch Plate"?? RCA usually had a octagonal design around the "12ax7". This looks like a Sylvania or GE from the Mid 60's.
RCA made a "Pinch Plate"?? RCA usually had a octagonal design around the "12ax7". This looks like a Sylvania or GE from the Mid 60's.
gadget73 junk junkie Subscriber May 28, 2018 #4 Numbering looks like Sylvania, but its different construction than the Sylvania pinch plate 12ax7 I have sitting here. Construction looks a lot like a GE tube, but GE numbering is very distinct with the dot codes.
Numbering looks like Sylvania, but its different construction than the Sylvania pinch plate 12ax7 I have sitting here. Construction looks a lot like a GE tube, but GE numbering is very distinct with the dot codes.
primosounds Powered with pure tube sounds. May 28, 2018 #5 Gadget is right that GE has the dots. I think it most likely Westinghouse or Raytheon. It is not RCA or Sylvie.
Gadget is right that GE has the dots. I think it most likely Westinghouse or Raytheon. It is not RCA or Sylvie.