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ELFORUM - Forumul electronistilor

Schema subwofer.


jonutzu
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Salut.Acum ca mi-am facut ampliful cu tda7374,mai vreau un cabalj pt un amplificator de subwofer pana in 50w/4ohmi.Daca se poate cu o alimentare de 12v cu amperaj bun.Schema vreau sa fie mono,ca vreau sa imi fac un mini-sistem 2.1..(satelitii ii am dar nu bubie destul)Astept orice schema...care are caracteristicile de mai sus.Deci amplifulsa scoata frecventa joase,sau cum li s-or spune.Multumesc mult.

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Conform datelor din catalog TDA1562 scoate 45...55W/4 ohmi cu distorsiuni de 0,5% si intre 1...20W asigura un semnal de iesire cu maxim 0,03...0,06% distorsiuni.TDA7294 scoate 60...70W/4...8 ohmi cu distorsiuni de 0,5% . Pentru aceasta se alimenteaza cu +/-29...38V in functie de impedanta de iesire.

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multumesc frumos.;)..AM vazut ca acest tda are unele probleme si pe deasupra este si scump..Cred ca o sa mai fac un amplif cu tda7374,si o sa ii pun un condensator ca sa anulez inaltele,sa ramana numai bass.........Am 2 subwofere(de la 2 sisteme ,de 30 w bucata..)..un corector de ton.(am schema de dezvoltare) ca sa "ma joc' ...cu sunetul.Multumesc inca odata.As face cu tda7294,dar e prea puternic si in plus...traful costa destul.

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