凤凰彩票
 

1.      功率放大器

       描述:簡稱功放,用于增強信號功率以驅動音箱發聲的一種電子裝置。它的作用是把來自音源或前置放大器的微弱電信號放大,推動揚聲器或音箱重放聲音,因此,也稱為后級信號放大器。現在的專業后級功放主要是三級H類功放設計,具有高轉換率、高靈敏度、超省電、聲音優質及性能穩定等特點。


2.      合并式功放

       描述:所謂合并式功放,即將前置放大和后級功率放大兩部分集中在一個機箱內的放大器。合并是指將前級音效處理器和后級功率放大器合二為一。具有操作簡單、功能齊全、節省空間、節約線材等優勢。



 
 
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