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href="http://www.cdcfah.com/cp/third-qmjpj_kcqmpj/">庫存汽摩配件</a>?吐魯番改裝汽車音響車改坊烏魯木齊旗艦店供應</p><div id="3dopkk8" class="leftbox clearfix"><h1>吐魯番改裝汽車音響車改坊烏魯木齊旗艦店供應</h1><div id="nkd3q40" class="proBig"><div id="psyzkv3" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/12/26/19/637129863186023778_cjfqcypd_1272461.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="4ittevv" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/12/26/19/637129863186023778_cjfqcypd_1272461.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="i2bl839" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</span>面議</p><p><span>所在地：</span>新疆維吾爾自治區(qū)</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>吐魯番改裝汽車音響</p><p><span>***更新：</span>2020-06-19 12:37:15</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="tsism8u" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">新市區(qū)嵩山街車佳坊汽車用品店</a></p><p><span>聯(lián)系人：</span>高東莉</p><p><span>郵箱: </span>1515481753@qq.com</p><p><span>電話: </span>13899962499</p><p><span>傳真: </span>0991_8793008</p><p><span>網(wǎng)址: </span></p><p><span>手機: </span>0991-4669492</p><p><span>地址: </span>新疆烏魯木齊市新市區(qū)嵩山街211號新新家園小區(qū)2幢1-5門面</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="cf3hnii" class="page-proshow02"><p class="title">詳細說明</p><div id="ollbfvg" class="box"><p><p> 因為絕大部分噪音是通過汽車的懸掛系統(tǒng)、后備箱、底盤、車門等部位傳入車內(nèi)的;其次是車地板和引擎?zhèn)};***是車頂。***，對車內(nèi)進行密封處理。對車內(nèi)進行密封處理時，不要過度密封，因為車體密封工程是解決由外向內(nèi)傳播噪音的基礎(chǔ)工程，應做到車體良好密封，使車內(nèi)氣壓保持平衡，否則，過度密封能造成車內(nèi)缺氧，給您的身體帶來危險。由于車內(nèi)噪音不易集中治理，因此，對施工產(chǎn)品的質(zhì)量和施工技術(shù)有較高的要求，一般情況下，專業(yè)的聲學產(chǎn)品屬較好的隔音產(chǎn)品，這包括隔音墊和吸音棉兩種材料，隔音墊粘貼在車體產(chǎn)生振動的部位，而吸音棉能吸收減震膠對付不了的雜振產(chǎn)生的噪音。通常情況下，實施汽車隔音工程時，需貼一層隔音墊和一層吸音棉。一般的隔音工程施工后，吐魯番改裝汽車音響，能使噪音降2-3分貝，好的材料能使車內(nèi)噪音降5-8分貝，吐魯番改裝汽車音響，比較好的情況下，能降13分貝，如果施工人員告訴您能降20分貝，甚至更多，那您就該注意是不是被忽悠了。另外，只做擋火墻是達不到較好的隔音目的的。折疊編輯本段汽車隔音汽車隔音產(chǎn)品源于20世紀80年代末由美國一群汽車音響發(fā)燒友為了能夠更好的享受到汽車音響所帶來的樂趣而開發(fā)的，吐魯番改裝汽車音響，這些產(chǎn)品既是可以降低行駛過程中車內(nèi)的噪音，又可以提升汽車音響的音壓和音色。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="吐魯番改裝汽車音響" src="http://tyunfile.71360.com/UpLoadFile/2019/12/26/19/637129863186023778_cjfqcypd_1272461.jpg"></div><p> 很多改裝過音響的朋友，首先考慮的是兩路功放或四路功放。因為它們都比較經(jīng)濟實惠。(但是在選用的時候，必須看看它是否有高通(HP)和低通(LP)的調(diào)諧。品牌的功放一般都具備這種功能。)這種功放即可以推高、中頻揚聲器，也可以推低音揚聲器，還可以調(diào)諧功率的大小，和分頻點的設(shè)置，以后升級音響也不會造成重復消費，功放可以繼續(xù)使用。而單路功放卻只能推低音喇叭，推不了高、中音喇叭，因為它只有一路輸出，也只有低通(LP)調(diào)諧。再就是功放的靈敏度；抗干擾能力是不是很強（因為汽車上的噪音來源太多了）。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="吐魯番改裝汽車音響" src="http://tyunfile.71360.com/UpLoadFile/2019/12/26/19/637129863162630835_cjfqcypd_2950559.jpg"></div><p> 一般要選擇一些RCA輸出多的主機，這樣對以后升級音響起到很大的作用。比如一組RCA輸出的主機推一臺四路功放，那么就要再加兩條一分二的信號線，信號就會有衰減。那樣的話，效果會大打折扣！選擇電平輸出高的主機，對音響升級也很重要，一般普通主機它的電平輸出值都比較低，在。但是一些***的主機，它的電平值輸出都是在4V到。這樣是為以后加裝功放提供了很好的便利條件。比如說：一個5V輸出的主機推一個4V的功放，這樣的話功放的工作效率能達到****，可以把信號很好的還原，保證功放輸出信號基本不失真；相反如果用一個2V的主機推一個4V的功放，那么功放也發(fā)揮不出它原有的工作效率。升級版:（一）功放的選擇功放是音響升級整套系統(tǒng)中至關(guān)重要的部分，雖然大多數(shù)主機都有內(nèi)置功放，但其功率和效果都無法跟外置功放相提并論。功放的基本作用是將經(jīng)過前級放大的音頻信號進行放大(電流的放大)用來驅(qū)動揚聲器。這里*做簡單介紹。如果您是對低音有較高的追求者，這樣您就可以考慮安裝一款單路的功放來推動低音單元。因為單路的功放它的功率強勁有力，而且在制作過程中。不用考慮過多的額外功能因素，和低音也有一種共通性，可以很好的發(fā)揮低音的效果。但是它的價格不菲。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/313586.html</p></div></div></div></div></div><div id="nqmh29p" class="page-right twoColRt"><div id="jb8ietn" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="nqr8y9x" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" 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