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  1. userdiysmps1

    SMPS 12V->+/-30V Subwoofer car , with TL494 and TDA7294

    My subwoofer amp. with TL494 , LM324 , TDA7294. Next step : test in car . Schematic : here-> http://www.schematicsforfree.com/archive/file/Automotive/Circuits/Audio/TL494%20Car%20Audio%20Power%20Supply.gif . First test : here-> https://www.youtube.com/watch?v=0TyUvigJ0QQ . Opinions ...
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