1973 Radio Shack Science Fair Radio Kit model RK-111 test @retrochad
1973 Radio Shack Science Fair Radio Kit model RK-111 test @retrochad
Uploaded July 2011 | Updated September 2026, 4 days ago
This radio had a bad interstage transformer and I got it working by replacing the primary winding with a resistor and capacitor.
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1973 Radio Shack Science Fair Radio Kit model RK-111 test

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