?!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 贵阳功放与音箱配接有哪些要素?- 贵州超洋信音响灯光工程有限公?/title> <meta name="Keywords" content=""> <link href="/template/NEST73002/lib/style.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="/template/NEST73002/lib/jquery-1.7.2.min.js"></script> <script language="javascript" src="/template/NEST73002/lib/jquery.js"></script> <script language="javascript" src="/template/NEST73002/lib/js1.js"></script> <script language="javascript" src="/template/NEST73002/lib/js2.js"></script> <link href="/template/NEST73002/lib/foucsbox.css" rel="stylesheet" type="text/css" /> <script src="/template/NEST73002/lib/jquery-1.9.1.min.js" type="text/javascript"></script> <script src="/template/NEST73002/lib/foucsbox.js" type="text/javascript"></script> <meta http-equiv="Cache-Control" content="no-transform" /> <meta http-equiv="Cache-Control" content="no-siteapp" /> </head> <body> 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style="font-family:SimSun;font-size:16px;">    </span><span style="font-family:SimSun;font-size:16px;"><span style="font-family:SimSun;font-size:16px;"><a target="_blank" href="http://www.commendare.com/news/111.html"><a href="http://www.commendare.com/supply/8.html" target="_blank">贵阳功放</a>?a href="http://www.commendare.com/yx/" target="_blank">音箱</a>配接有哪些要素!</a></span></span><span style="font-family:SimSun;font-size:16px;"></span><span style="font-family:SimSun;font-size:16px;">在设计、安装一套音响系统时,不免遇到<a href="http://www.commendare.com/gf/" target="_blank">功放</a>与音箱的配接问题.在音色方?会注意其搭配上是否冷暖相宜、软硬适中,终使整套器材还原音色呈中?这仅是从艺术方面考虑.从技术方面考虑功放与音箱配接的要素?一、功率匹?二、功率储备量匹配,三、阻抗匹?四、阻尼系数的匹配.如果我们在配接时认识到上述四?可使所用器材的性能得到充分的、较大的发挥.</span><br /> <span style="font-family:SimSun;font-size:16px;">    功率匹配</span><br /> <p> <span style="font-family:SimSun;font-size:16px;">    为了达到高保真聆听的要求,额定功率应根据较佳聆听声压来确定.我们都有这样的感?音量小时、声音无力、单薄、动态出不来,无光泽、低频显著缺少、丰满度?声音好像缩在里面出不?音量合适时,声音自然、清晰、圆润、柔和丰满、有力、动态出得来.但音量过大时,声音生硬不柔和、毛糙、有扎耳根的感?因此重放声压级与声音质量有较大关?规定听音区的声压级较好为80~85dB(A计权),我们可以从听音区到音箱的距离与音箱的特性灵敏度来计算音箱的额定功率与功放的额定功率.</span> </p> <p style="text-align:center;"> <span style="font-family:SimSun;font-size:16px;"></span><img src="/uploads/image/20191115/20191115165528_0567.jpg" alt="功放,音箱" width="389" height="220" title="功放,音箱" align="" /> </p> <span style="font-family:SimSun;font-size:16px;">    功率储备量匹?/span><br /> <span style="font-family:SimSun;font-size:16px;">    音箱:为了使其能承受节目信号中的猝发强脉冲的冲击而不至于损坏或失?这里有一个经验值可参?所选取的音箱标称额定功率应是经理论计算所得功率的三?</span><br /> <span style="font-family:SimSun;font-size:16px;">    功放:电子管功放和晶体管功放相?所需的功率储备是不同?这是因为:电子管功放的过荷曲线较平?对过荷的音乐信号,电子管功放并不明显产生削波现?只是使颠峰的尖端变圆.这就是我们常说的柔性剪?而晶体管功放在过荷点?非线性畸变迅速增?对信号产生严重削?它不是使颠峰变圆而是把它整齐割削?有人用电阻、电感、电容组成的复合性阻抗模拟扬声器,对几种高品质的晶体管功放进行实际输出能力的测?结果表明,在负载有相移的情况下,其中有一台标?00W的功?在失真度1%时实际输出功率仅?W!由此对于晶体管功放的储备量的选取?/span><br /></h3> <div class="n_article_next"><div>上一?<a href="112.html">毕节会议音响设备的维护与保养?/a></div> <div>下一?<a href="110.html">专业音响人员必备知识,你都知道?</a></div> </div> <div class="tag">相关标签?a href='/key.aspx?k=%e5%8a%9f%e6%94%be'>功放</a>,<a href='/key.aspx?k=%e9%9f%b3%e7%ae%b1'>音箱</a>,</div> <div class="xiangguan"> <div class="xg_t">相关新闻</div> <div class="xg_news"> <ul> <li><a href="http://www.commendare.com/news/111.html">贵阳功放与音箱配接有哪些要素?/a><span>2019-11-15</span></li> <li><a href="http://www.commendare.com/news/95.html">为啥功放上的音量控制的dB数会出现负的?</a><span>2019-09-12</span></li> <li><a href="http://www.commendare.com/news/94.html">功放是怎么扩大音响讯号?</a><span>2019-09-12</span></li> <li><a href="http://www.commendare.com/news/83.html">音乐功放与AV功放的区?/a><span>2019-06-06</span></li> </ul> <div class="clear"></div> </div> <div class="xg_t">相关产品</div> <div class="xg_cp"> <div class="icp1"> <h4><a href="http://www.commendare.com/supply/41.html" target="_blank"><img src="/uploads/cp/201807271755020923413295197.jpg" width="253" height="193" 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