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  • 新闻动态当前位置:首页-亚博体育app官方下载亚博体育竞彩app下载yabo亚博体育苹果下载分析纯后级与单声道功放
    亚博体育app官方下载亚博体育竞彩app下载yabo亚博体育苹果下载分析纯后级与单声道功放
    更新日期:2015-3-3 18:45:29    浏览次数:371次

    亚博体育app官方下载亚博体育竞彩app下载yabo亚博体育苹果下载http://www.sdcarmusic.com/介绍常见的功放都是把放大小信号的前置放大器与功率放大器做在一个机壳中,合并功放使用方便,又有比较好的性能价格比。但这种合并功放有它一些固有的缺点,其中最不好克服的就是前级与后级之间的相互干扰问题了。为了解决这一问题,于是便把前级与后级分别做在两个机壳中,这样就有了纯后级功放。大多的纯后级功放都是双声道的结构形式,但这种结构形式使得两个声道相互干扰问题又不太好解决,为了解决两个声道相互间的干扰便又出现了把两个声道分开的单声道纯后级功放。
    Jinan introduce modified car stereo amplifiers are commonly amplified small signal preamplifier and power amplifier made in an enclosure, integrated amplifier easy to use, there are relatively good cost performance. However, this integrated amplifier has its inherent drawbacks, the worst of which is to overcome the problems of mutual interference between the front stage and rear stage of the. To solve this problem, so he gave were done before and after the class level in two chassis, so there will be a pure power amp. Pure power amp is mostly in the form of dual-channel structure, but this structure allows both channels interfere with each other to solve problems not very good, in order to solve the mutual interference between the two channels in turn appeared to two separate mono channels pure power amp.
      
    亚博体育app官方下载亚博体育竞彩app下载yabo亚博体育苹果下载http://www.sdcarmusic.com/分析说把功率放大器这样一块块地分割开,最主要的意义是要提高功放的素质,而不是追求这种形式。如果仅仅在形式上实现了相互分开,尽管可以解决相互干扰问题,但其它参数并未明显改善,那么这种分开对功放提高整体素质来说还是有限的。功率放大器有晶体管与电子管之分,前级同样也有晶体管和电子管之分。对于音响爱好者与音乐爱好者而言,在选用前级与后级上有多种的组合形式,而不同的组合形式又有不同的音效特点,这使得使用者又多了一些选择的空间。与纯后级功放配接的前级对整个音响系统的优劣影响比较大。首先它必须具有一定的素质,否则,纯后级或是单声道的优点便发挥不出来,甚至有可能把一台劣质前级的“毛病”突出出来,整体音效反而更差了。再有,不同的前级后级配合其音色特点不同,使用者可以根据个人的偏爱选择不同的组合形式。
    Jinan modified car stereo power amplifier such analysis is that a block of land divided, the main significance is to improve the quality of the amplifier, rather than the pursuit of this form. If only in the form of realized separated from each other, in spite of the mutual interference problems can be solved, but other parameters did not significantly improve, then the separate power amplifier to improve the overall quality is still limited. There transistor amplifier tubes of the points, there are also pre-transistors and tubes of the points. For audiophiles and music lovers, there are a variety of combinations in the selection of pre-and post-stage, and different combinations have different sound characteristics, which allows the user to select the addition of some space. The merits of pre-impact and pure power amp mated to the entire sound system is relatively large. First, it must have certain qualities,otherwise, the advantages of pure mono or after the class will play out, and may even be inferior to a previous stage of the "problems" stand out, but the overall sound even worse. Again, a different level with its former level after a different tone characteristics, the user can choose different combinations according to personal preference.

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