说明：  用LM1875+NE5532制作的功放电路 (适合于多媒体有源音箱升级），和TDA2030的封装完全一样，资料中包括前级缓冲音调电路，电流反馈后级功放部分电路，电源及扬声器防冲击保护电路等。内容讲解详细，形象，绝对值得收藏
(Produced using LM1875+ NE5532 amplifier circuit (suitable for multimedia speaker upgrade), and TDA2030 the package exactly the same information, including the former level tone buffer circuit, current feedback amplifier stage is part of the circuit, power supply and speaker protection circuit against shock . Explain in detail the content, images, definitely worth Favorites...)