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> fire amplificator auto, o mica intrebare

tzepesch
post 7 Mar 2009, 18:01
Post #1


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sal

am asa

un amplif mic facut de mine care are iesire stanga-dreapta, deci 2x dinc are scot semnalul pe la mufele de iesire dif.

am mai facut rost de un alt amplificator mai puternic cu fader fata-spate si egalizor, care e 4x

in el intra 4 fire:
fire + semnal canal St-Dr. ,
fir negru masa,
fir alimentare 12V


din el ies firele pt 4 boxe

problema e ca firul ala negru de la partea de intrare, e de masa si pt. alimentare, adica GND la caroserie si pt firul de masa la dif. care "intra" din aplif ala mic???

le pot lega in comun GND sasiu cu masa dif?, sau firu de - al difuzoarelor de la ala micu?

7 Mar 2009, 19:35:
rezolvat, se poate inchide

This post has been edited by tzepesch: 7 Mar 2009, 19:35


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bygy007
post 7 Mar 2009, 23:10
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difuzorul il legi intre fire nu la masa , nu pune la masa nici un fir din partea cu cupla (iesire difuzoare) ca arzi finalii


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tzepesch
post 7 Mar 2009, 23:48
Post #3


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asa e config. lui
m-am uitat
e masa comuna
masa dif. cu masa de alim.

si pe amplif. la mic de iesire tda2005 si pe boosterul asta.


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bygy007
post 8 Mar 2009, 00:21
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daca vrei sa il arzi n-ai decit difuzoarele se leaga asa DSC07762__1600x1200_.JPG ( Size: 37.89k ) Number of downloads: 108


in poza asta este aceeasi mufaDSC07758__1600x1200_.JPG ( Size: 58.3k ) Number of downloads: 86


schema in care ai configuratia arata asa 2005.JPG ( Size: 69.59k ) Number of downloads: 30
trebuie sa ai 4 integrate in cutia aia , NUMAI daca ai 2 le poti lega la masa

fa o poza cu capacul desfacut , dar garantez ca le strici daca legi amplif-ul asa cum ai zis

This post has been edited by bygy007: 8 Mar 2009, 00:29


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tzepesch
post 8 Mar 2009, 10:18
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mai

sunt 2 in el

in booster

eu nu m refeream l firele de dif. care IES, din ala, alea cu mufa.

eu ma refeream la firele care INTRA in el. alea 4. ala negru e comun pt masa de alim cat si pt masa dif. care ies din amplif. de dinantea lui.


dar l-am legat l masina si functioneaza f bine!


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