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雅卓功放机在同期产品中档次较高,卡拉OK控制电路功能也较完善,而且属于典型控制模式,具有很强的代表性,因此了解和掌握该电路工作原理及其
Ya Zhuo power amplifier products in the same period higher grade, karaoke OK control circuit function is also more perfect, and is a typical control mode, with a strong representation, so to understand and master the circuit works and its