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220v转12v电源怎么接线
更新时间: 2020-11-06 00:00:00  

220v转12v电源应该这样操作:输出端就接0、12V两根线,不过那是交流电,还需要经过整流、滤波才能分出正负极与放大器上的正负电源相接。一般交流12V经整流滤波后的电压至少在15V左右,要注意放大器要求的电压是多大,高1-2V没问题的,过高就会将功放烧的。

关键词: 220v 12v 电源 怎么 接线

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