第四期陈建才先生的《简单分频器的封闭式音箱制作》文章，是根据《音响世界》第32期覃斌先生《简单至上，靓音之源》文章之作，可说是姐妹篇。我初读覃先生文章，也想仿制，因为音箱的心脏──分频器非常简单，又能出靓声，别说初哥，就是发烧友，也为之动心！先说覃先生之制 The fourth issue of Mr. Chen Jiancai’s “simple crossover closed speaker production” article, is based on the “sound world” No. 32 Mr. Qin Bin “simple first, the source of good sound,” the article can be said to be a sister chapter. My first reading of Mr. Qin article, also want to imitate, because the speaker’s heart ─ ─ frequency divider is very simple, but also out of sound, let alone early brother, is an enthusiast, but also tempted! First, Mr. Tan system