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Forum › Echipamente Discoteca - Disco Equipments › Professional Disco Amplifiers › O intrebare
O intrebare
Amplificatoare profesionale de discoteca

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Listener



Joined: Sep 29, 2008
Posts: 2

PostPosted: 29/Sep/2008 6:58 pm    Post subject: O intrebare Reply with quote

Sunt mai nou in acest domeniu si vreau sa-mi improvizez cunostintele care are timp sa-mi explice cate ceva despre amplificatoare normale si pro Very Happy ?
Si mai vreau sa stiu o chestie cum se imparte puterea amplificatorului per boxa sa zicem ca iau 4 boxe de 8 ohmi le leg in paralel si ajung sa le amplific la 2 ohmi oke...sa zicem ca amplificatorul are 2x1400 w rms per canal pe 2 ohm se imparte sa zicem 4 x 350 w rms sau 4x1400(aceeasi putere)?
Boxa desigur avand sa zicem 4 fullranguri legate in paralel de cate 1000 w rms...cum se imparte puterea raport amplificare -> boxa ?
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Costyn



Joined: May 06, 2007
Posts: 43

PostPosted: 23/Jun/2010 9:49 am    Post subject: Re: O intrebare Reply with quote

Sal. 4 x 1400 w nu o sa ai niciodata , este ca si cum ai avea statia de 3000w consumul ei si tu spui ca scoti 4000w . N-ai de unde sa scoti atit , nici macar consumul pe care-l are ea il are nu-l obtii ca putere audio , obtii cam 60% din puteea consumata de statie. Orice transformator , tranzistor are pierderile sale in caldura, in rezisteta materialelor etc.
Dupa cum ai spus ,,4 boxe de 8 ohmi le leg in paralel ,,rezulta 2 boxe pe 4 ohmi pe un canal si inca 2 boxe tot pe 4 ohmi celalalt canal.Puterea ta de 2 x1400w /2ohmi a statiei rezulta pe acele boxe in paralel de 4 ohmi, cam 2 x700 w/4 ohmi sau 4 x 350w/4ohmi. bafta
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