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1969 Zenith AM radio
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01-03-2016, 04:02 PM
wa2ise
VideoKarma Member
Join Date: Dec 2002
Location: USA
Posts: 3,147
As you can easily tell, it's a hot chassis design, with about 100V on the output transistor. The output transformer is likely very similar if not the same as that used in an AA5. The other transistors run off around 10V.
Circuit something like this:
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