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Model FM-61 Automatic brand fm converter.
#14

 That reminds me, I have a few late 1950s and early 60s car radios I need to test that use those sorts of tubes with the 12 volt plate and screen voltages. I think that they work on the space charge principle, but in most of the North American car radios the final output is a power amp transistor, not a tube like that write up about the ECC86 mentioned.
Regards
Arran


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RE: Model FM-61 Automatic brand fm converter. - by Arran - 11-07-2016, 03:25 AM



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