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#11 |
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diyAudio Member
Join Date: Mar 2003
Location: Bucharest
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Thanks for help.
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#12 |
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diyAudio Member
Join Date: Dec 2001
Location: Romania
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Salut Ford V_6 ,
Este vorba de un modul de putere cumparat de la Adelaida - Craiova , bazat pe TDA7250 ? Daca da , sa stii ca au vicii de proiectare iar tranzistoarele nu rezista in sarcina la mai mult de 60 - 70Wrms in sarcina. Toate aceste module au aceasta problema privind deconectarea la suprasarcina. Se mai poate ridica pragul de MUTE , dar , in orice caz nu merita efortul . Daca totusi vrei sa experimentezi , incearca MJ11015/11016. Eu am reusit sa ajung la 180W rms la +/- 48v masurat la 1% THD. Oricum efortul nu a meritat banii si timpul pierdut. Exista alte scheme incomparabil mai bune . Salut ! |
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#13 |
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diyAudio Member
Join Date: Mar 2003
Location: Bucharest
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Nu e vorba de kiturile de la adelaida. Este vorba de un amplificator realizat de mine dupa o schema luata de pe net.
Atasez schema dupa care am lucrat. Poate i-mi mai dai o sugestie ( eventual cu ridicarea pragului de mute la TIP-uri) Poate sti si ceva despre filtrele de iesire. Merci mult, |
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