1前言在家庭等空间不大的听音环境欣赏音乐时,放大器的输出功率不必很大,但放音品质要高,即低音要量足、有力度、丰满、厚实;高音晶莹、通透、纤细、清晰;中音丰润、甜美。这就要求放大器频响宽阔,音箱上几只不同口径的扬声器分别播放不同频带的乐音。DIY者要实现高品质的重播有两个途径:用高品质的宽频带放大器或双频带放大器。制作宽频带 1 Preface When listening to music in a small listening environment such as a home, the output power of the amplifier need not be large, but the playback quality should be high, ie the bass should be full, full of intensity, fullness, and thick. The treble crystal, transparent, Slim, clear; alto rich, sweet. This requires a wide frequency amplifier, speakers on the speakers of different caliber respectively play different frequency bands of music. There are two ways for a DIY player to achieve high-quality replay: use a high-quality wide-band amplifier or a dual-band amplifier. Make broadband