一、效果器電源對音色的影響大嗎
效果器(qi)電(dian)源對音色有影(ying)響,一個差勁的(de)電(dian)源會(hui)為你(ni)的(de)演奏帶來噪(zao)聲,更重要的(de)是會(hui)帶來其他更嚴(yan)重的(de)問題,比(bi)如漏電(dian),比(bi)如效果器(qi)重啟。沒有什么(me)比(bi)正在臺上(shang)忘情演出而(er)這時(shi)聲音嘎(ga)然而(er)止更郁悶的(de)事(shi)情了。如果使用的(de)電(dian)壓(ya)不穩定(ding),那么(me)就會(hui)發(fa)生(sheng)重啟的(de)情況。
二、效果器電源如何選擇
1、首先先了解一下最基本的電源規格:
直(zhi)流用DC表(biao)示(shi);交(jiao)流用AC表(biao)示(shi)。提示(shi):在(zai)選擇(ze)電(dian)源的時候,必須確(que)認你(ni)的效(xiao)果器是直(zhi)流供電(dian)還是交(jiao)流(大(da)部分是直(zhi)流),千萬不能搞(gao)混!
電(dian)壓:用伏特(te)(V)來(lai)表(biao)示(shi),常見(jian)的效(xiao)果(guo)器電(dian)源是9V的,也有(you)12V、15V、24V等(deng)各種。
提(ti)示:在選擇(ze)電源的時候,必須保證電源的輸出電壓(ya)和效果器(qi)要求(qiu)的電壓(ya)是一致(zhi)的!
電流:用(yong)毫(hao)安(mA)來表示,通常效(xiao)果(guo)器電流都(dou)是幾(ji)十到(dao)幾(ji)百毫(hao)安。
提示:電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源的(de)(de)輸(shu)出(chu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)不(bu)需(xu)(xu)要(yao)(yao)和效(xiao)果(guo)(guo)(guo)器(qi)要(yao)(yao)求的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)完全一(yi)(yi)(yi)致,只要(yao)(yao)保(bao)證大(da)于(yu)(yu)效(xiao)果(guo)(guo)(guo)器(qi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)即可(ke)。比如(ru),效(xiao)果(guo)(guo)(guo)器(qi)上寫的(de)(de)是(shi)(shi)200mA,那(nei)么(me)(me)你(ni)選擇400mA甚至(zhi)更大(da)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源也是(shi)(shi)可(ke)以(yi)用的(de)(de),因為(wei)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源上寫的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)是(shi)(shi)指最大(da)供電(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)的(de)(de)參數,而不(bu)是(shi)(shi)不(bu)管(guan)你(ni)接什(shen)么(me)(me)效(xiao)果(guo)(guo)(guo)器(qi),它永(yong)遠都輸(shu)出(chu)那(nei)么(me)(me)大(da)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu),這一(yi)(yi)(yi)點通常(chang)是(shi)(shi)很(hen)容易混淆的(de)(de),很(hen)多人反映說我找(zhao)不(bu)到完全一(yi)(yi)(yi)致電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)大(da)小(xiao)的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源,就是(shi)(shi)他(ta)們認(ren)為(wei)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)大(da)小(xiao)必須(xu)是(shi)(shi)完全一(yi)(yi)(yi)致的(de)(de),這是(shi)(shi)錯(cuo)誤的(de)(de),實(shi)際上不(bu)需(xu)(xu)要(yao)(yao)完全一(yi)(yi)(yi)致,只要(yao)(yao)大(da)于(yu)(yu)就可(ke)以(yi)。但(dan)不(bu)能小(xiao)于(yu)(yu)要(yao)(yao)求電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu),如(ru)果(guo)(guo)(guo)你(ni)的(de)(de)效(xiao)果(guo)(guo)(guo)器(qi)要(yao)(yao)求的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)是(shi)(shi)800mA,那(nei)么(me)(me)400mA的(de)(de)這款電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源就不(bu)能夠(gou)被使用了(le)。如(ru)果(guo)(guo)(guo)你(ni)是(shi)(shi)用一(yi)(yi)(yi)塊電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源同(tong)時帶好(hao)幾個效(xiao)果(guo)(guo)(guo)器(qi)的(de)(de)話,則要(yao)(yao)保(bao)證電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源的(de)(de)最大(da)輸(shu)出(chu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)大(da)于(yu)(yu)等于(yu)(yu)所(suo)有效(xiao)果(guo)(guo)(guo)器(qi)的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)總和。
極(ji)性:也就是(shi)正(zheng)負級,通常(chang)(chang)單塊效果器的(de)(de)(de)極(ji)性都是(shi)外(wai)正(zheng)內(nei)負的(de)(de)(de),也有相反的(de)(de)(de),而常(chang)(chang)用的(de)(de)(de)民用設備的(de)(de)(de)電源通常(chang)(chang)是(shi)外(wai)負內(nei)正(zheng)的(de)(de)(de)。
提示(shi):只有直流(liu)電(dian)源才存在(zai)極性的(de)標(biao)記,交流(liu)電(dian)源是沒有的(de)。極性也是絕對要確認符合的(de)參數之一,不能相反。
2、效果器的電源規格
然后來(lai)檢(jian)查(cha)自己效果器上所要求(qiu)的電源規格(ge)是(shi)什么,通常(chang)你會(hui)在效果器電源插口附(fu)近或者背面的規格(ge)說(shuo)明里找到電源規格(ge)要求(qiu),也可(ke)以參看說(shuo)明書來(lai)確認。
比如說效果(guo)器上(shang)邊緣寫著9V、DC、外(wai)正內負,就是(shi)(shi)(shi)使(shi)用外(wai)正內伏(fu)極性的(de)9伏(fu)直流(liu)電(dian)的(de)意思,這(zhe)種(zhong)規(gui)格是(shi)(shi)(shi)最常(chang)見的(de)單(dan)塊效果(guo)器的(de)電(dian)源規(gui)格,通(tong)常(chang)這(zhe)種(zhong)規(gui)格的(de)效果(guo)器都(dou)是(shi)(shi)(shi)支持使(shi)用電(dian)池供電(dian)的(de)。這(zhe)里沒有寫明(ming)(ming)電(dian)流(liu)大(da)小(xiao),所以(yi)就需要查看說明(ming)(ming)書來確認,不過(guo)一般可(ke)以(yi)使(shi)用電(dian)池的(de)效果(guo)器的(de)電(dian)流(liu)都(dou)不會(hui)很大(da),通(tong)常(chang)幾百毫安(an)都(dou)足夠,而大(da)部分電(dian)源都(dou)至少是(shi)(shi)(shi)200mA以(yi)上(shang)的(de),通(tong)常(chang)都(dou)可(ke)以(yi)用。如果(guo)電(dian)流(liu)要求(qiu)比較大(da)的(de)話,通(tong)常(chang)效果(guo)器上(shang)都(dou)會(hui)有標(biao)明(ming)(ming)。
3、然后來看電源上面標明的規格
一款(kuan)SPOT效果器專用電源(yuan),輸(shu)入的規格是(shi)100-240V,也就是(shi)說是(shi)從100V到240V電壓(ya)都(dou)可使用,后面的50/60HZ以及0.35A這(zhe)個可以不看。輸(shu)出(chu)規格是(shi)9V DC,直(zhi)流,輸(shu)出(chu)電流最大可以達到1700毫安,因此它可以為多塊效果器提(ti)供(gong)電源(yuan),極性是(shi)外(wai)正(zheng)內(nei)負。