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Accesorii si conectica alimentare si montaj

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Old 23-02-06, 20:10   #1
Sir. Kid

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Default Sigurante(fuse) la amplificator...

daca am un amplificator pe care se scrie 2*100 sau 1*200, si are sigurantza albastra si swcrie 15 pe ea... ce inseamana adica... se poate ca la 15 amperi sa bage 1*200w? sau cum vin astea? o siguranta(fuse) de 15 pana la cati w poate \"sustine\"? mercy
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Old 23-02-06, 20:47   #2
77aty

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Asta nu inseamna prea mult, pt ca unii producatori pun sigurante mult mai mari decat cel necesar pt a duce in eroare pe cumparatori. De ce firma e fabricat ampliful respectiv?
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Old 24-02-06, 02:59   #3
pesteimputit

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ampliful ala are maxim 150w rms in punte
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Old 24-02-06, 08:18   #4
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Old 27-02-06, 11:43   #5
fuscobal

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Dupa mintea mea, daca amplificatorulare pe el o siguranta de 15A inseamna ca absoarbe maxim 15A, adica 15A*13.8V=207W. Daca amplificatorul trage din baterie 207W si presupunem ca e in clasa AB si are un randament de 55% inseamna ca puterea debitata este cam 114W in regim continuu cu varfuri scurte de sa zicem maxim 200W ( asta inseamna ca trage pe termen scurt mai mult de 15A din baterie dar siguranta permite sa treaca prin ea si dublul curentului scris pe ea timp de maxim 5min ). Conform calculatorului de la sectiunea 'wire' a www.bcae1.com, pentru 200W unclipped power, ai un curent absorbit de 26A (13.8V si 55% randament) !
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