Radios - Champion SPR-910
AC operated Spark plug radio. 8 transistors, 1 diode, 1 thermistor and 1 silicon diode. Output 250 mw.
RIC Japan. R I C SPR-B403-110-B PAT.
Here's what it looked like while I was working on it. It works very well now.
summer Vintage Electronics Expo
has been cancelled due to the Covid-19 virus. Check back for future dates.