
說到贛州舞臺燈光大家(jia)都是不陌生的(de),平常在(zai)我們的(de)日常生活中就能經常看到(dao),只(zhi)是對于(yu)它的(de)維(wei)護和注意事項(xiang)我們了解的(de)沒有那么的(de)清楚,今天就來(lai)和大家(jia)分享一(yi)下關于(yu)舞臺燈光(guang)要注意的(de)點。
1、 開(kai)場前半小時,打開(kai)所(suo)有設(she)備(bei),進行低溫預(yu)熱,同時檢測所(suo)有設(she)備(bei)及線路。低溫狀態是指燈光(guang)微(wei)亮即可;
2、 開機(ji)預(yu)熱十(shi)五分(fen)鐘后將所有設備歸零(ling),讓(rang)設備散熱,散熱時間不低于十(shi)五分(fen)鐘;
3、 散(san)熱后,即(ji)可正式進入音樂演出階段(duan);
4、 演出結束、客人離(li)場(chang)后,燈光師應關閉所有所有設備(bei),并讓設備(bei)散熱(re)十五至二(er)十分鐘,然后將設備(bei)進行封存或遮罩,燈光師方(fang)可(ke)離(li)場(chang)。
舞(wu)臺燈(deng)光(guang)音(yin)(yin)響(xiang)(xiang)功(gong)(gong)(gong)率(lv)(lv)(lv)(lv)匹配(pei):從(cong)原則(ze)上來講,音(yin)(yin)箱(xiang)額(e)(e)(e)定(ding)(ding)功(gong)(gong)(gong)率(lv)(lv)(lv)(lv)與(yu)功(gong)(gong)(gong)放(fang)額(e)(e)(e)定(ding)(ding)功(gong)(gong)(gong)率(lv)(lv)(lv)(lv)不(bu)一致時(shi),舞(wu)臺燈(deng)光(guang)音(yin)(yin)響(xiang)(xiang)對于功(gong)(gong)(gong)放(fang)來說,它的(de)(de)(de)功(gong)(gong)(gong)率(lv)(lv)(lv)(lv)大小只與(yu)音(yin)(yin)箱(xiang)阻抗有關,而與(yu)音(yin)(yin)箱(xiang)額(e)(e)(e)定(ding)(ding)功(gong)(gong)(gong)率(lv)(lv)(lv)(lv)無關。無論音(yin)(yin)箱(xiang)功(gong)(gong)(gong)率(lv)(lv)(lv)(lv)與(yu)功(gong)(gong)(gong)放(fang)功(gong)(gong)(gong)率(lv)(lv)(lv)(lv)是(shi)否相同,對功(gong)(gong)(gong)放(fang)工作(zuo)無影響(xiang)(xiang),只是(shi)對音(yin)(yin)箱(xiang)本身安全有關。如(ru)(ru)果音(yin)(yin)箱(xiang)阻抗符合匹配(pei)要(yao)求,舞(wu)臺燈(deng)光(guang)音(yin)(yin)響(xiang)(xiang)而承(cheng)受功(gong)(gong)(gong)率(lv)(lv)(lv)(lv)比(bi)功(gong)(gong)(gong)放(fang)功(gong)(gong)(gong)率(lv)(lv)(lv)(lv)小,則(ze)推動(dong)功(gong)(gong)(gong)率(lv)(lv)(lv)(lv)充足(zu),聽起來很舒服。這就是(shi)常說的(de)(de)(de)功(gong)(gong)(gong)放(fang)儲備功(gong)(gong)(gong)率(lv)(lv)(lv)(lv)要(yao)大,才能充分(fen)地(di)表現出(chu)音(yin)(yin)樂全部內涵,尤其是(shi)音(yin)(yin)樂中(zhong)的(de)(de)(de)低頻部分(fen),表現更為生動(dong)、有力。這是(shi)一種較(jiao)好的(de)(de)(de)匹配(pei)。如(ru)(ru)果音(yin)(yin)箱(xiang)的(de)(de)(de)額(e)(e)(e)定(ding)(ding)阻抗大于功(gong)(gong)(gong)放(fang)的(de)(de)(de)額(e)(e)(e)定(ding)(ding)功(gong)(gong)(gong)率(lv)(lv)(lv)(lv),雖然二者都能安全的(de)(de)(de)工作(zuo),但(dan)這時(shi)功(gong)(gong)(gong)率(lv)(lv)(lv)(lv)放(fang)大器推動(dong)功(gong)(gong)(gong)率(lv)(lv)(lv)(lv)顯得不(bu)夠(gou),舞(wu)臺燈(deng)光(guang)音(yin)(yin)響(xiang)(xiang)會覺得響(xiang)(xiang)度不(bu)足(zu),往(wang)往(wang)出(chu)現已經開到飽和狀態,失真加(jia)劇(ju),仍感到力不(bu)從(cong)心。