音箱線一(yi)端連接(jie)功(gong)放機,一(yi)端連接(jie)音(yin)(yin)(yin)(yin)(yin)(yin)(yin)箱(xiang)(xiang)。低音(yin)(yin)(yin)(yin)(yin)(yin)(yin)箱(xiang)(xiang)因低音(yin)(yin)(yin)(yin)(yin)(yin)(yin)無方向性,一(yi)般放置在(zai)功(gong)放旁(pang)邊,低音(yin)(yin)(yin)(yin)(yin)(yin)(yin)箱(xiang)(xiang)線(xian)(xian)(xian)(xian)(xian)也(ye)就不(bu)(bu)用(yong)布(bu)(bu)線(xian)(xian)(xian)(xian)(xian)。而根據(ju)聲(sheng)學規律,音(yin)(yin)(yin)(yin)(yin)(yin)(yin)箱(xiang)(xiang)特別(bie)是前置音(yin)(yin)(yin)(yin)(yin)(yin)(yin)箱(xiang)(xiang),擺在(zai)短墻一(yi)方,聲(sheng)音(yin)(yin)(yin)(yin)(yin)(yin)(yin)效果(guo)勝過放于長墻那邊。要(yao)埋線(xian)(xian)(xian)(xian)(xian)的,通常(chang)只有(you)(you)后環(huan)繞(rao)音(yin)(yin)(yin)(yin)(yin)(yin)(yin)箱(xiang)(xiang)。在(zai)5.1系(xi)統的時(shi)候,環(huan)繞(rao)箱(xiang)(xiang)只有(you)(you)一(yi)對,不(bu)(bu)過作為長遠考慮,最好在(zai)這個基礎上多布(bu)(bu)一(yi)組到兩(liang)組后環(huan)繞(rao)的音(yin)(yin)(yin)(yin)(yin)(yin)(yin)箱(xiang)(xiang)線(xian)(xian)(xian)(xian)(xian),以備將來升(sheng)級為7.1或8.1聲(sheng)道。埋線(xian)(xian)(xian)(xian)(xian)時(shi),無論是在(zai)地板刨坑(keng)還(huan)是在(zai)墻上鑿(zao)槽,都要(yao)用(yong)塑料套(tao)管(guan)(guan)或黃(huang)蠟管(guan)(guan)將線(xian)(xian)(xian)(xian)(xian)套(tao)上,不(bu)(bu)要(yao)直接(jie)用(yong)水(shui)泥封固。有(you)(you)條(tiao)件的話,每只音(yin)(yin)(yin)(yin)(yin)(yin)(yin)箱(xiang)(xiang)的喇(la)叭(ba)線(xian)(xian)(xian)(xian)(xian)各用(yong)一(yi)條(tiao)套(tao)管(guan)(guan)更好。而埋線(xian)(xian)(xian)(xian)(xian)的引(yin)出(chu)部(bu)分,要(yao)預留(liu)足夠的長度(du)。對于未用(yong)得(de)上的喇(la)叭(ba)線(xian)(xian)(xian)(xian)(xian)的外露部(bu)分,可用(yong)安(an)裝白板盒(he)的方式,將線(xian)(xian)(xian)(xian)(xian)收藏(zang)(zang)。白板盒(he)是一(yi)種(zhong)與常(chang)用(yong)的標準電(dian)源插座同樣(yang)大小(xiao)的盒(he)子,既能藏(zang)(zang)一(yi)定長度(du)的線(xian)(xian)(xian)(xian)(xian),蓋(gai)上盒(he)板,又很(hen)美觀。將來拉(la)出(chu)了藏(zang)(zang)線(xian)(xian)(xian)(xian)(xian),盒(he)子也(ye)不(bu)(bu)用(yong)拆掉。對環(huan)繞(rao)音(yin)(yin)(yin)(yin)(yin)(yin)(yin)箱(xiang)(xiang)的布(bu)(bu)線(xian)(xian)(xian)(xian)(xian)需要(yao)注意三(san)點:
1、要盡可(ke)能在兩頭預留足夠長的(de)線,經常會(hui)碰到有用戶(hu)在最終完成(cheng)音箱(xiang)和放(fang)大器安裝(zhuang)(zhuang)時(shi)發現預留的(de)線材短了那么(me)一截。環繞音箱(xiang)的(de)安裝(zhuang)(zhuang)高度應該(gai)比聆(ling)聽者(zhe)坐在椅子上時(shi)人耳的(de)高度比高約60~90cm。
2、線(xian)路盡量走直線(xian),盡量不繞大彎(wan),因(yin)為(wei)過長的(de)環繞線(xian)會對音頻信號(hao)帶(dai)來損(sun)耗,影響音箱(xiang)的(de)音質,一般情況下可(ke)以走地(di)板底(di)下。
3、環(huan)繞線(xian)過地板后,在(zai)沙(sha)發(fa)(fa)位置(zhi)左右(you)分(fen)開(kai),左右(you)各一根,一般留(liu)出地面部分(fen)線(xian)稍長(chang)為(wei)(wei)(wei)好(hao),一般為(wei)(wei)(wei)沙(sha)發(fa)(fa)長(chang)度二分(fen)之一再加(jia)兩(liang)米為(wei)(wei)(wei)好(hao),這是打算用環(huan)繞支架的(de)(de)用戶。如果打算把環(huan)繞音箱掛(gua)在(zai)墻上(shang)的(de)(de)用戶,可以在(zai)沙(sha)發(fa)(fa)兩(liang)邊的(de)(de)正上(shang)方,一米八左右(you)的(de)(de)位置(zhi),把環(huan)繞線(xian)留(liu)出來(lai),露出長(chang)度為(wei)(wei)(wei)五十(shi)公(gong)分(fen)到(dao)一米為(wei)(wei)(wei)好(hao),切勿將(jiang)線(xian)留(liu)得太高,緊貼(tie)著墻面頂部,那樣會對聲音產(chan)生很(hen)大的(de)(de)影(ying)響。
影院布(bu)(bu)線看似是一件十(shi)分簡單的事情(qing),但涉及到的學問還(huan)真不少,線材(cai)選(xuan)對(dui)了,布(bu)(bu)線妥當(dang)了,才(cai)能讓(rang)整個音響(xiang)系統提升(sheng)到一個新的臺階。對(dui)普(pu)通用(yong)戶來說,建議請有信譽的音響(xiang)裝飾公司(si)幫你施工。
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