Quote:
Originally Posted by dieseljeep
I wonder what they did to the audio circuit, as the Philco's didn't use an audio output circuit. They transmitted the audio to a Philco radio, around 8mhz.
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Check out the schematic on ETF (scroll down to 10" Philco) looks to me like a 7B5 driving an electrodynamic speaker in the set:
http://www.earlytelevision.org/tv_sc...ms_prewar.html
jr