-> The BIG old Philco radio we all huddled around to listen to the news during
-> WWII also had a jack marked "TV"!  Never did check whether
it was actually
-> connected to anything, and always wondered how they planned to get FM sound
-> from an AM radio...   :-))

I don't recall but there was a way to get FM signals to detect. 
As I recal lwhile they had the TV jack they never did actualy produce
the Adapter that plugged into that jack. Adn wasn't that in the day when
TV had basicly onel One channel and it was below the old Channel 1?


-> That one also had the dynamic speaker where the speaker coil was either a choke
-> or the transformer for the power supply.                        

Using a Coil to provide the Magentic Field for the Speaker was common
in early radios. Particualrly before the day of the Alnico Magnets
the magnets required were quite Large. In Most the Speaker Field
Coil was wired as a Choke between the Power Supply Caps.


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