古箏21根弦對應什么音

d調：

第(di)一弦（最粗弦）：下方(fang)兩點do

第(di)二弦：下(xia)方兩(liang)點re

第三弦：下(xia)方兩點mi

第(di)四弦：下方兩(liang)點(dian)sol

第五線(xian)：下方(fang)兩點la

第六弦：下(xia)方一(yi)點(dian)do

第七弦：下方(fang)一(yi)點re

第八弦：下方一點mi

第(di)九弦：下(xia)方一點(dian)sol

第十弦：下方一點(dian)la

第十一(yi)弦(xian)：上下方都(dou)不帶點，即(ji)“do”

第十二弦：上下方都不帶點，即“re”

第十三弦(xian)：上(shang)下方都不帶點，即“mi”

第十四弦：上下方都不帶點，即“sol”

第十五弦：上(shang)下方都不帶點，即“la”

第十(shi)六弦：上(shang)方一點do

第十七(qi)弦(xian)：上方(fang)一點re

第十八弦(xian)：上(shang)方一點(dian)mi

第十九弦(xian)：上方一點(dian)sol

第二(er)十弦：上(shang)方(fang)一點la

第二十一弦(最細弦)：上方兩點(dian)do

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古箏琴弦A型和B型的區別

1、 手感不同

a型古箏弦(xian)：較(jiao)細較(jiao)軟，手感(gan)較(jiao)松，余音較(jiao)長。

b型(xing)古箏(zheng)弦：較粗較硬，手感較緊，其韻味更悠長。

2、調不同

a型古(gu)箏弦：從被低音3一直(zhi)到上(shang)面三(san)個點(dian)的3。

b型古箏弦(xian)：從下面是三(san)個點的3一直到被高音3。

古箏琴弦的知識拓展

1、琴弦的種類

目前生產的古箏琴弦(xian)(xian)(xian)(xian)有四種(zhong)：鋼絲尼龍纏線A型(xing)(xing)弦(xian)(xian)(xian)(xian)（五聲(sheng)(sheng)(sheng)）、B型(xing)(xing)弦(xian)(xian)(xian)(xian)（五聲(sheng)(sheng)(sheng)）、C型(xing)(xing)弦(xian)(xian)(xian)(xian)（七聲(sheng)(sheng)(sheng)）和D型(xing)(xing)弦(xian)(xian)(xian)(xian)（五聲(sheng)(sheng)(sheng)、七聲(sheng)(sheng)(sheng)）。前兩種(zhong)是(shi)常規21弦(xian)(xian)(xian)(xian)古(gu)箏的(de)(de)(de)配套(tao)用弦(xian)(xian)(xian)(xian)。A型(xing)(xing)弦(xian)(xian)(xian)(xian)和B型(xing)(xing)弦(xian)(xian)(xian)(xian)的(de)(de)(de)結構(gou)和工藝類(lei)似，但規格略有區別(bie)。A型(xing)(xing)弦(xian)(xian)(xian)(xian)手(shou)感較松，余(yu)音(yin)較長；B型(xing)(xing)弦(xian)(xian)(xian)(xian)手(shou)感較緊，更適(shi)合大力度的(de)(de)(de)作(zuo)品使用。目前，689、696、699配的(de)(de)(de)是(shi)A型(xing)(xing)弦(xian)(xian)(xian)(xian)，694、695、698配的(de)(de)(de)是(shi)B型(xing)(xing)弦(xian)(xian)(xian)(xian)。C型(xing)(xing)弦(xian)(xian)(xian)(xian)為七聲(sheng)(sheng)(sheng)音(yin)階的(de)(de)(de)弦(xian)(xian)(xian)(xian)。D型(xing)(xing)弦(xian)(xian)(xian)(xian)專為多聲(sheng)(sheng)(sheng)弦(xian)(xian)(xian)(xian)制組(zu)合箏所(suo)配，但同時(shi)可用于傳統(tong)S形21弦(xian)(xian)(xian)(xian)古(gu)箏上，音(yin)色(se)比A、B型(xing)(xing)弦(xian)(xian)(xian)(xian)更為醇厚、明亮。

2、琴弦的材質

古箏常規的(de)音(yin)位排列時五(wu)聲音(yin)階，許多半音(yin)和(he)滑音(yin)，以(yi)及大(da)二度(du)(du)、小(xiao)三度(du)(du)的(de)按弦(xian)(xian)(xian)和(he)大(da)幅度(du)(du)的(de)顫音(yin)，都(dou)需(xu)左右深度(du)(du)按弦(xian)(xian)(xian)。這就要(yao)求鋼絲材料的(de)拉(la)(la)伸性能(neng)和(he)柔韌性等指(zhi)標均(jun)能(neng)滿足(zu)演(yan)奏的(de)需(xu)要(yao)。高音(yin)區0.081芯(xin)(xin)弦(xian)(xian)(xian)，抗拉(la)(la)強度(du)(du)為(wei)3050~3100N/毫(hao)米2；中音(yin)區0.376芯(xin)(xin)弦(xian)(xian)(xian)抗拉(la)(la)強度(du)(du)為(wei)2800~2850N/毫(hao)米 2 ；低音(yin)區0.508芯(xin)(xin)弦(xian)(xian)(xian)抗拉(la)(la)強度(du)(du)為(wei)2700~2750N/毫(hao)米2。如果達(da)不到上述指(zhi)標，對音(yin)準的(de) 穩(wen)定性和(he)音(yin)質(zhi)等性能(neng)會產生不良影響。

3、琴弦的顏色

現在常用的鋼絲(si)尼龍纏弦(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)外表是(shi)(shi)白色(se)的。A型(xing)(xing)(xing)、B型(xing)(xing)(xing)弦(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)的21根(gen)弦(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)中(zhong)，有(you)四根(gen)弦(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)是(shi)(shi)綠色(se)，分(fen)別是(shi)(shi)3弦(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)、8弦(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)、13弦(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)、18弦(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)。設(she)計這(zhe)種(zhong)顏(yan)色(se)標識(shi)是(shi)(shi)為(wei)(wei)了讓演奏者更容易分(fen)清音(yin)區。距離最(zui)近的兩根(gen)綠色(se)琴弦(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)之間在音(yin)程關系上為(wei)(wei)八度，第8弦(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)的音(yin)高為(wei)(wei)a1。 C型(xing)(xing)(xing)弦(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)（七聲）中(zhong)有(you)四根(gen)弦(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)是(shi)(shi)綠色(se)的，分(fen)別是(shi)(shi)2弦(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)、9弦(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)、16弦(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)、21弦(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)；有(you)三根(gen)是(shi)(shi)紅色(se)的，分(fen)別是(shi)(shi)6弦(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)、13弦(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)、20弦(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)。D型(xing)(xing)(xing)弦(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)（五聲）同(tong)A型(xing)(xing)(xing)（五聲）B型(xing)(xing)(xing)弦(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)（五聲），D型(xing)(xing)(xing)弦(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)（七聲）同(tong)C型(xing)(xing)(xing)弦(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)（七聲）。

4、琴弦的弦號

古(gu)箏琴(qin)弦(xian)(xian)(xian)的(de)弦(xian)(xian)(xian)號(hao)(hao)表述(shu)如下(xia)：古(gu)箏最細、最高音的(de)弦(xian)(xian)(xian)，琴(qin)弦(xian)(xian)(xian)號(hao)(hao)碼(ma)最小，靠近演(yan)奏(zou)者的(de)琴(qin)弦(xian)(xian)(xian)號(hao)(hao)碼(ma)為(wei)1號(hao)(hao)弦(xian)(xian)(xian)，依次向前至弦(xian)(xian)(xian)號(hao)(hao)最大、最粗(cu)的(de)弦(xian)(xian)(xian)是21弦(xian)(xian)(xian)。