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ELFORUM - Forumul electronistilor

Dummy load 4,7ohm 450W pentru teste amp. audio


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Miam facut aceasca sarcina pe baza de rezistente. cum nu am gasit rezistente precise de 4 si 8 ohm am pus de 4.7 ohm la 50W una

mam folosit de un radiator de la un amplificator audio

e cam mic la teste indelungate dar daca e si ventilat e ok. apoi teste pe asa ceva nu cred ca se tin cu orele :rade:

sant 9 rez. respectiv puse 3 parti in paralel apoi inseriate:

[attachment=0]rez 47.JPG[/attachment]

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pe viitor am sa imi iau alea da 4 si 8 ohm de 300W, stil vechi de uzine electrice pe ceramica

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