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Ajutor ! la conectare a 2 vumetre

Guest smart

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Va salut am demontat de pe un magnetofon rusesc doua vumetre cu arc (am atasat si o poza , scuzati neclaritatea).




Vreau sa le conectez la un aplificator facut dintrun tda7294 si nu stiu unde se conecteaza , daca direct la iesirea unde se pune boxa ? cineva mia spus ca trebuie pus o rezistenta ca altfel se ard , altcineva ca se concteaza fara rezistenta dar la iesirea din preamplificator .


problema cu luminatu lor am rezolvato cu un tranformat 7v conectate in serie.

A mai ramas punerea vumetrelor in functiene , help me !!


respect !! :da

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