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comment by WanderingEng
WanderingEng  ·  770 days ago  ·  link  ·    ·  parent  ·  post: Twelve fucking years ago? Seriously? WTF

It looks like I have the three 6K8s, 5V4, and a Google search says a VR150 is the same as a 0D3, which I have. I'm not sure how people made those relations before the internet, though. 0D3 doesn't even show up in my RCA Receiving Tube Manual, much less VR150. Looks like the GE application manual (PDF found online) did match them up. No luck on the 6F6s or 6B8s, though. The RCA manual says a 12C8 has the same characteristics (but different filament voltage) as a 6B8, but I don't have any of those, either.

What looks so impossible to me is the RF transformers. All that's stamped on the ones in my tuner is the patent number and part number. Matching a random part up with the part needed would be annoying today but pretty much impossible pre-internet.