
說到贛州舞臺燈光大(da)家(jia)都是不陌(mo)生(sheng)的(de),平(ping)常(chang)在(zai)我(wo)們的(de)日常(chang)生(sheng)活中就(jiu)能(neng)經常(chang)看到,只是對于(yu)(yu)它的(de)維護和注(zhu)意(yi)事項我(wo)們了解的(de)沒有那么(me)的(de)清楚,今天就(jiu)來和大(da)家(jia)分享一(yi)下關于(yu)(yu)舞臺燈(deng)光要注(zhu)意(yi)的(de)點(dian)。
1、 開場前半小時,打開所有設(she)備(bei),進行低溫(wen)預熱,同時檢測(ce)所有設(she)備(bei)及線路。低溫(wen)狀(zhuang)態是(shi)指(zhi)燈光微亮即(ji)可;
2、 開機預熱(re)十(shi)五(wu)分鐘(zhong)后將所(suo)有(you)設(she)備歸零(ling),讓設(she)備散(san)熱(re),散(san)熱(re)時間不低于十(shi)五(wu)分鐘(zhong);
3、 散熱后,即可(ke)正式進入音樂演出階段(duan);
4、 演出結束(shu)、客人(ren)離場(chang)(chang)后,燈光師應關閉所(suo)(suo)有(you)所(suo)(suo)有(you)設(she)(she)備(bei)(bei),并讓設(she)(she)備(bei)(bei)散熱十(shi)五至二十(shi)分(fen)鐘(zhong),然后將設(she)(she)備(bei)(bei)進行封存或遮罩(zhao),燈光師方可離場(chang)(chang)。
舞臺(tai)燈(deng)(deng)(deng)光(guang)音(yin)(yin)(yin)(yin)(yin)響(xiang)功(gong)(gong)(gong)率(lv)(lv)匹配:從(cong)原則(ze)上來(lai)(lai)講(jiang),音(yin)(yin)(yin)(yin)(yin)箱(xiang)額定功(gong)(gong)(gong)率(lv)(lv)與功(gong)(gong)(gong)放(fang)額定功(gong)(gong)(gong)率(lv)(lv)不(bu)一致時(shi),舞臺(tai)燈(deng)(deng)(deng)光(guang)音(yin)(yin)(yin)(yin)(yin)響(xiang)對(dui)(dui)于(yu)功(gong)(gong)(gong)放(fang)來(lai)(lai)說(shuo)(shuo),它(ta)的(de)(de)功(gong)(gong)(gong)率(lv)(lv)大小只(zhi)與音(yin)(yin)(yin)(yin)(yin)箱(xiang)阻(zu)(zu)抗有關(guan),而(er)與音(yin)(yin)(yin)(yin)(yin)箱(xiang)額定功(gong)(gong)(gong)率(lv)(lv)無(wu)關(guan)。無(wu)論音(yin)(yin)(yin)(yin)(yin)箱(xiang)功(gong)(gong)(gong)率(lv)(lv)與功(gong)(gong)(gong)放(fang)功(gong)(gong)(gong)率(lv)(lv)是否相(xiang)同,對(dui)(dui)功(gong)(gong)(gong)放(fang)工作無(wu)影響(xiang),只(zhi)是對(dui)(dui)音(yin)(yin)(yin)(yin)(yin)箱(xiang)本身安(an)全有關(guan)。如(ru)果音(yin)(yin)(yin)(yin)(yin)箱(xiang)阻(zu)(zu)抗符合匹配要(yao)求,舞臺(tai)燈(deng)(deng)(deng)光(guang)音(yin)(yin)(yin)(yin)(yin)響(xiang)而(er)承受功(gong)(gong)(gong)率(lv)(lv)比(bi)功(gong)(gong)(gong)放(fang)功(gong)(gong)(gong)率(lv)(lv)小,則(ze)推(tui)動功(gong)(gong)(gong)率(lv)(lv)充(chong)足,聽起來(lai)(lai)很舒服(fu)。這(zhe)就是常(chang)說(shuo)(shuo)的(de)(de)功(gong)(gong)(gong)放(fang)儲備功(gong)(gong)(gong)率(lv)(lv)要(yao)大,才能(neng)充(chong)分地(di)表(biao)現(xian)出音(yin)(yin)(yin)(yin)(yin)樂(le)全部內(nei)涵,尤(you)其是音(yin)(yin)(yin)(yin)(yin)樂(le)中的(de)(de)低頻部分,表(biao)現(xian)更為(wei)生動、有力。這(zhe)是一種較好的(de)(de)匹配。如(ru)果音(yin)(yin)(yin)(yin)(yin)箱(xiang)的(de)(de)額定阻(zu)(zu)抗大于(yu)功(gong)(gong)(gong)放(fang)的(de)(de)額定功(gong)(gong)(gong)率(lv)(lv),雖然(ran)二(er)者(zhe)都能(neng)安(an)全的(de)(de)工作,但(dan)這(zhe)時(shi)功(gong)(gong)(gong)率(lv)(lv)放(fang)大器推(tui)動功(gong)(gong)(gong)率(lv)(lv)顯得不(bu)夠,舞臺(tai)燈(deng)(deng)(deng)光(guang)音(yin)(yin)(yin)(yin)(yin)響(xiang)會(hui)覺得響(xiang)度不(bu)足,往(wang)往(wang)出現(xian)已經開到(dao)飽和狀(zhuang)態,失真加劇,仍感到(dao)力不(bu)從(cong)心(xin)。