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汽車音響電源線的標(biāo)準(zhǔn)

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汽車音響電源線的標(biāo)準(zhǔn)


  與音響界的朋友交談時(shí)常會(huì)提到這樣的問題:都說(shuō)是8GA電源線,為什么有的每盤要三百多塊,有的每盤二百多塊,有的才一百多塊?


  這問題提得很好,因?yàn)槟壳盀橹箛?guó)內(nèi)對(duì)音響線材還沒有統(tǒng)一的標(biāo)準(zhǔn)。但正規(guī)的廠商都會(huì)參照現(xiàn)行的國(guó)際標(biāo)準(zhǔn)(即:A規(guī)和B規(guī),見附表)暫時(shí)作為自己的生產(chǎn)標(biāo)準(zhǔn)。這樣我們就有了鑒別電源線質(zhì)量的標(biāo)準(zhǔn)。


  正規(guī)的電源線,絕緣膠皮采用全新的抗氧化PVC塑料,線芯導(dǎo)體采用隔絕空氣法制造的無(wú)氧銅(OFC)或鍍錫銅、或鍍銀銅。經(jīng)過精密設(shè)備精工制造而成。


  優(yōu)質(zhì)的電源線不僅絕緣性、耐熱性好,而且線芯導(dǎo)體采用七股對(duì)絞或編織,這樣才有足夠的密度使其降低電阻值、電容量和電感量,因而輸出足夠的電流量。


  而有些不正規(guī)的廠商,絕緣膠皮則用再生PVC塑料,線芯導(dǎo)體用再生銅,或銅包鋁、或鋼絲、或這幾種混合體。眾所周知。這幾種導(dǎo)體相對(duì)無(wú)氧銅(OFC)的內(nèi)阻大得多,壓降也大得多。這樣對(duì)只有12V的汽車電源來(lái)說(shuō)是很有害的。
判斷電源線的優(yōu)劣,不能只看它的外觀尺寸,更重要是看里面銅芯的粗細(xì)與優(yōu)劣。因?yàn)橛械?b>電源線將膠皮做得極厚而里面的銅芯卻不成比例,做得很細(xì)。所以主要得看銅芯切斷面大小來(lái)確認(rèn)。


另外還要看每盤線的實(shí)際長(zhǎng)度與標(biāo)稱的是否一致,有沒有短斤缺兩的現(xiàn)象。講到這,開篇的問題就迎刃而解了。
A規(guī)電源線


          

          

           

           

           

           

           

           

           

          

           

           

           

           

           

           

           

          

           

           

           

           

           

           

           

          

           

           

           

           

           

           

           

            

型號(hào)             face="Times New Roman">AWG
            


            


            


            


            

            face="Times New Roman">  0GA
            


            


            


            


            

            face="Times New Roman">   2GA
            


            


            


            


            

            face="Times New Roman">   4GA
            


            


            


            


            

            face="Times New Roman">   6GA
            


            


            


            


            

            face="Times New Roman">  
            
8GA     
            


            


            


            


            

            face="Times New Roman">   10GA
            


            


            


            


            

截面積             lang=EN-US>(mm2)
            


            


            


            


            

            face="Times New Roman"> 
            
53.5 
            


            


            


            


            

            face="Times New Roman">   33.6
            


            


            


            


            

            face="Times New Roman">   21.1
            


            


            


            


            

            face="Times New Roman">   13.3
            


            


            


            


            

            face="Times New Roman">   8.36
            


            


            


            


            

            face="Times New Roman">   5.26
            


            


            


            


            

銅支數(shù)             face="Times New Roman">(0.12mm)
            


            


            


            


            

            face="Times New Roman">  4704
            


            


            


            


            

            face="Times New Roman">   2989
            


            


            


            


            

            face="Times New Roman">   1862
            


            


            


            


            

            face="Times New Roman">   1176
            


            


            


            


            

            face="Times New Roman">   735
            


            


            


            


            

            face="Times New Roman">   462
            


            


            


            


            

線徑             face="Times New Roman">OD(mm)
            


            


            


            


            

            face="Times New Roman">  15
            


            


            


            


            

            face="Times New Roman">   12
            


            


            


            


            

            face="Times New Roman">   10
            


            


            


            


            

            face="Times New Roman">    8

            


            


            


            


            

            face="Times New Roman">   6.5
            


            


            


            


            

            face="Times New Roman">   5.5
            


            


            


            


B規(guī)電源線


          
          
           
           
           
           
           
           
           
          
           
           
           
           
           
           
           
          
           
           
           
           
           
           
           
          
           
           
           
           
           
           
           

            

型號(hào)             face="Times New Roman">AWG
            


            


            


            


            


            


            

            face="Times New Roman">   0GA
            


            


            


            


            


            


            

            face="Times New Roman">   2GA
            


            


            


            


            


            


            

            face="Times New Roman">   4GA
            


            


            


            


            


            


            

            face="Times New Roman">   6GA
            


            


            


            


            


            


            

            face="Times New Roman">   8GA
            


            


            


            


            


            


            

            face="Times New Roman">   10GA
            


            


            


            


            


            


            

截面積             lang=EN-US>(mm2)
            


            


            


            


            


            


            

            face="Times New Roman">   44.87
            


            


            


            


            


            


            

            face="Times New Roman">   27.69
            


            


            


            


            


            


            

            face="Times New Roman">   17.72
            


            


            


            


            


            


            

            face="Times New Roman">   11.08
            


            


            


            


            


            


            

            face="Times New Roman">   6.96
            


            


            


            


            


            


            

            face="Times New Roman">   4.43
            


            


            


            


            


            


            

銅支數(shù)             face="Times New Roman">(0.12mm)
            


            


            


            


            


            


            

            face="Times New Roman">   3969
            


            


            


            


            


            


            

            face="Times New Roman">   2450
            


            


            


            


            


            


            

            face="Times New Roman">   1568
            


            


            


            


            


            


            

            face="Times New Roman">   980
            


            


            


            


            


            


            

            face="Times New Roman">   616
            


            


            


            


            


            


            

            face="Times New Roman"> 
            
 392
            


            


            


            


            


            


            

線徑             face="Times New Roman">OD(mm)
            


            


            


            


            


            


            

            face="Times New Roman">   15
            


            


            


            


            


            


            

            face="Times New Roman">   12
            


            


            


            


            


            


            

            face="Times New Roman">   10
            


            


            


            


            


            


            

            face="Times New Roman">   8
            


            


            


            


            


            


            

            face="Times New Roman">   6.5
            


            


            


            


            


            


            

            face="Times New Roman">  
            
 5.5
            


            


            


            


            


            


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