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Old 23-09-2008, 03:37 PM   #6
NLP
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Join Date: May 2006
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Default Re: Zvucna izolacija / koristio sam search

Super post ali nemoj zamjeriti o tom se je detaljno več pričalo osim mo?da te formule:

"Evo vam i jedna Formula

R=20*log(f*m)-45,4 dB

R=zvucna izolacija u dB f = Frekvencija m= Masa (tezina)zida u kg/m? "

Ali nema veze, bolje 5 puta nego nijedanput
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