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> Cat consuma un casetofon auto, Amperaj

mihaimmm
post 10 Jun 2009, 10:26
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Vreau sa imi cumpar un transformator(sau alimentator, nuj exact) de 12v pt acasa, am gasit si cica are 850 mAh, daca nu ma insel.
Sunt de ajuns pt a alimenta un casetofon, care sa mearga in parametri normali?
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argon
post 10 Jun 2009, 10:35
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nu face ala fata, doar cu boxe minuscule, chiar nu gasesti o susrsa de PC mai veche? iti va merge perfect cu aia.


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mihaimmm
post 10 Jun 2009, 10:38
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pai asta e... ca nu mai am... am avut candva vreo 4, dar s-au evaporat pe geam o parte, si o parte le-am refolosit pt formarea unor pc uri vechi pe care le-am dat >for free<, unora care le-au mai folosit.
Nu am crezut ca imi vor mai folosi:).


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argon
post 10 Jun 2009, 10:48
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850 mAh la 12 V e vreo 10 W, cam putin, o petarda de sursa de PC iti da minim 100-150W(desi pe ele scrie 3-400)


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mihaimmm
post 10 Jun 2009, 10:49
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mie imi trebuie mai mult pentru a-l testa, si sa ii contectez o baxa, 2 de 1.5 v de ex


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C a t a l i n
post 10 Jun 2009, 10:57
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Pentru teste poți folosi un acumulator auto vechi.


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Amedeus
post 10 Jun 2009, 12:17
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12V 3-4 A (depinde mult de puterea finalului audio din aparat)

Cu un difuzor de 1,5 - 2 W poti testa scurt timp si cu sursa de 850 mA.

This post has been edited by Amedeus: 10 Jun 2009, 12:18


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dieselfun
post 22 Jun 2009, 21:52
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QUOTE(mihaimmm @ 10 Jun 2009, 10:26)
Vreau sa imi cumpar un transformator(sau alimentator, nuj exact) de 12v pt acasa, am gasit si cica are 850 mAh, daca nu ma insel.
Sunt de ajuns pt a alimenta un casetofon, care sa mearga in parametri normali?
smile.gif
*


Amperajul (amperi) = Puterea amplificatorului (watti) / Tensiunea (12 volti)


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mihaimmm
post 23 Jun 2009, 10:33
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Am inteles. Mersi smile.gif


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C@talin
post 23 Jun 2009, 10:42
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cumpara cum au zis colegi de aici,o sursa de pc ceva pe care scrie 400W ca oricum nus reali tongue.gif,ptr teste mai bine cauti un vecin sa-ti dea curent direct de la baterie icon_mrgreen.gif

This post has been edited by C@talin: 23 Jun 2009, 10:43


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mihaimmm
post 23 Jun 2009, 10:44
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Daca gasesc vreo sursa de la un PC mai vechi, care sigur nu are 400W, e de ajuns?


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bygy007
post 23 Jun 2009, 15:07
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merge , ideea este sa poata debita 3-4A la 12V daca il folosesti si in casa , daca vrei sa il testezi poti folosi si unul la 1A dar nu poti da volumul mare , mai poti folosi si un redresor auto (pentru incarcat bateria , daca biriie ii mai pui un condesator de 2000 micro)

This post has been edited by bygy007: 23 Jun 2009, 15:07


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