06-05-2022, 12:43 PM
Good detective work Mike. All of the 82 schematics I glanced at showed a 2 position tone switch, except on an 82D, so they obviously made a change at some point in time. Below is a link to the service data on the 80 series if you haven't run across it yet:
http://www.atwaterkentradio.com/ak80.pdf
http://www.atwaterkentradio.com/ak80.pdf
John KK4ZLF
Lexington, KY
"illegitimis non carborundum"