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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 Michigan Vintage Electronics Club has a
"garage sale" event during Plymouth, MI's Old Village Yard and Trunk Sale, April 26 8am-3pm. Located on Mill St near the RR tracks.
The next Vintage Electronics Expo will be on Saturday, October 4, 2025, 9 am to 3 pm in partnership with The Kalamazoo Hamfest. at the Kalamazoo County Expo Center, 2900 Lake St., Kalamazoo, MI 
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