
說到贛州舞臺燈光大家都是不(bu)陌生(sheng)的(de),平常(chang)(chang)在我們(men)的(de)日(ri)常(chang)(chang)生(sheng)活(huo)中就能經(jing)常(chang)(chang)看到,只是對(dui)于它的(de)維護和(he)注意事項我們(men)了解的(de)沒有那么的(de)清(qing)楚,今天就來和(he)大家分享一下關(guan)于舞臺燈光要注意的(de)點。
1、 開場(chang)前半小時,打開所有設(she)備,進行低(di)溫預熱,同時檢測所有設(she)備及(ji)線路。低(di)溫狀態(tai)是指燈光(guang)微亮即可(ke);
2、 開機預熱(re)十五分鐘后將所有設(she)備歸零,讓設(she)備散熱(re),散熱(re)時間不(bu)低于十五分鐘;
3、 散熱后(hou),即可正(zheng)式進入音樂演出階段;
4、 演出結束、客(ke)人離場后,燈光(guang)師(shi)應(ying)關閉所有(you)(you)所有(you)(you)設備,并讓設備散熱十五(wu)至(zhi)二十分鐘,然后將(jiang)設備進行封存或遮(zhe)罩,燈光(guang)師(shi)方可離場。
舞(wu)(wu)臺燈(deng)光(guang)(guang)音響功(gong)(gong)率(lv)(lv)(lv)匹配(pei):從(cong)原則上來講,音箱(xiang)(xiang)額定(ding)功(gong)(gong)率(lv)(lv)(lv)與(yu)(yu)功(gong)(gong)放(fang)額定(ding)功(gong)(gong)率(lv)(lv)(lv)不(bu)一致時,舞(wu)(wu)臺燈(deng)光(guang)(guang)音響對(dui)于功(gong)(gong)放(fang)來說,它的(de)功(gong)(gong)率(lv)(lv)(lv)大小(xiao)只與(yu)(yu)音箱(xiang)(xiang)阻(zu)抗(kang)有(you)關(guan),而與(yu)(yu)音箱(xiang)(xiang)額定(ding)功(gong)(gong)率(lv)(lv)(lv)無關(guan)。無論音箱(xiang)(xiang)功(gong)(gong)率(lv)(lv)(lv)與(yu)(yu)功(gong)(gong)放(fang)功(gong)(gong)率(lv)(lv)(lv)是(shi)否(fou)相同(tong),對(dui)功(gong)(gong)放(fang)工作無影響,只是(shi)對(dui)音箱(xiang)(xiang)本身安全有(you)關(guan)。如(ru)果音箱(xiang)(xiang)阻(zu)抗(kang)符合匹配(pei)要求,舞(wu)(wu)臺燈(deng)光(guang)(guang)音響而承(cheng)受功(gong)(gong)率(lv)(lv)(lv)比功(gong)(gong)放(fang)功(gong)(gong)率(lv)(lv)(lv)小(xiao),則推動功(gong)(gong)率(lv)(lv)(lv)充足,聽起來很舒服。這(zhe)就是(shi)常說的(de)功(gong)(gong)放(fang)儲備功(gong)(gong)率(lv)(lv)(lv)要大,才能充分(fen)地表現(xian)(xian)出音樂全部內涵,尤(you)其(qi)是(shi)音樂中的(de)低頻部分(fen),表現(xian)(xian)更為生動、有(you)力(li)。這(zhe)是(shi)一種(zhong)較好的(de)匹配(pei)。如(ru)果音箱(xiang)(xiang)的(de)額定(ding)阻(zu)抗(kang)大于功(gong)(gong)放(fang)的(de)額定(ding)功(gong)(gong)率(lv)(lv)(lv),雖(sui)然二者都能安全的(de)工作,但這(zhe)時功(gong)(gong)率(lv)(lv)(lv)放(fang)大器推動功(gong)(gong)率(lv)(lv)(lv)顯得(de)不(bu)夠,舞(wu)(wu)臺燈(deng)光(guang)(guang)音響會覺(jue)得(de)響度不(bu)足,往(wang)(wang)往(wang)(wang)出現(xian)(xian)已經開到飽和(he)狀(zhuang)態,失真(zhen)加(jia)劇,仍感到力(li)不(bu)從(cong)心。