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Radios - Champion SPR-910 |  |
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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. 
The next Vintage Electronics Expo
will be on Saturday, January 25, 2025
at the Oakland Expo Center, 2212 Mall Dr E, Waterford, MI 
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