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ELFORUM - Forumul electronistilor
Guest horia_b

amp+invertor 12-220v

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pai se poate,dar vei suporta pierderile celor doua trafuri la 50hz,care nu sunt neglijabile(in jur de 15 sau 20% bucata).mai sunt si alte pierderi dar alea sunt in convertor si in amplificator.de ex la un consum de 500w ,50 de wati ii disipa tranzistorii din convertor,inca 50w se pierd in transformatorul ridicator, inca 50 in cel coborator, inca 100 se disipa in amplificatorul audio ,si restul putere care ramane e RMS pe difuzor

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