Quote:
Originally Posted by Jon A.
So destroying old TVs in that way is nothing new.
In a deleted scene, Marty asks Doc Brown for a 75-300 ohm matching transformer ... then Marty realizes they hadn't been invented yet.
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They existed back then, but vary rare. I have one made with dark red plastic from Blonder Tongue, that looks like it dates back to the 50's. Few people used coax for antenna feeds back then.