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Alimentare FET 400

 
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ovidiu_p
Nou venit
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Joined: 28 Feb 2007
Posts: 26
Location: Timisoara/Resita

PostPosted: Tue Dec 16, 2008 5:55 pm    Post subject: Alimentare FET 400 Reply with quote

Stiu ca s-a mai discutat subiectul dar, daca se poate, as mai vrea niste lamuriri in plus. Very Happy
Imi cumpar un kit fet 400 pentru un subwoofer, in voi folosi in 8 ohmi.
De ce am nevoie ca sa il pun in functiune?
Ma gandeam sa folosesc:
- un transformator de 2x50V 600VA
- doi condensatori asa
- o punte redresoare asa

daca le leg astea intr-u montaj asemanator cu KIT125A, dar fara rezinstente si sigurante e ok?
de ce altceva as mai avea nevoie?

ps: nu sariti pe mine daca am zis vreo prostie ca nu ma prea am cu electronica Very Happy
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laurjianu
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Joined: 06 Jun 2008
Posts: 100
Location: Timisoara

PostPosted: Tue Dec 16, 2008 6:20 pm    Post subject: Reply with quote

neaparat trebuie sa pui sigurante
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Stefanev
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Joined: 15 Feb 2006
Posts: 1465
Location: Orasul ala pe harta care ii zice IASI

PostPosted: Tue Dec 16, 2008 10:27 pm    Post subject: Reply with quote

is buni conzii si puntea. Siguranta sa pui inainte de transformator, eventual puti sa pui si dupa, evident calibrate si corect dimensionate.
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ovidiu_p
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Joined: 28 Feb 2007
Posts: 26
Location: Timisoara/Resita

PostPosted: Wed Dec 17, 2008 12:14 pm    Post subject: Reply with quote

Transformatorul ar fi bun? ar face o diferenta daca as pune condersatori de capacitate mai mare?
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Sandu_Alex_999
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Joined: 10 Oct 2006
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PostPosted: Wed Dec 17, 2008 5:01 pm    Post subject: Reply with quote

E bun Transformatorul
Degeaba pui condensatori mai mari de atata. Nu mai obtii nimic.
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mustang
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Joined: 25 Jan 2010
Posts: 285
Location: Galati

PostPosted: Wed Feb 10, 2010 11:00 am    Post subject: Reply with quote

E cam mica puntea aia ...10A:-?.Foloseste cel putin 25 A si un filtraj de 2x 6800,minim.
In rest ,dai jar.Poti folosi un filtru activ.

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Mosneagu
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Joined: 26 Mar 2010
Posts: 62
Location: Sibiu

PostPosted: Mon Apr 12, 2010 6:57 pm    Post subject: Reply with quote

Subwoofer in 8 ohm??? Ma indoiesc ca sunt suburi in 8 OHM....daca sunt...alea nu se numesc subwoofere
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jORDy
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Joined: 29 Aug 2008
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PostPosted: Mon Apr 12, 2010 7:00 pm    Post subject: Reply with quote

Ia detaliaza nene. De ce nu exista subwoofer in 8 ohmi? De cand impedanta afecteaza sunetul?
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adi_0106
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Joined: 10 Sep 2005
Posts: 6417
Location: Iashington

PostPosted: Mon Apr 12, 2010 7:01 pm    Post subject: Reply with quote

Mosneagu wrote:
Subwoofer in 8 ohm??? Ma indoiesc ca sunt suburi in 8 OHM....daca sunt...alea nu se numesc subwoofere

dar .... de cand are impedanta treaba cu tipul difuzorului ?

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gaby_gabytza86
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Joined: 06 Sep 2009
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PostPosted: Mon Apr 12, 2010 8:40 pm    Post subject: Reply with quote

daca tu zici ca nu sant subwoofere in 8ohmi............ cu un sd-21el ce ai putea sa faci?...........sateliti Smile)


daca nu stii despre ce dif e vorba si nu stii ce caracteristici are iti pot da un linc pe privat

cine stie poate te razgandesti si o sa zici ca exista si subwoofere pe 8 ohmi
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