原帖由 傻瓜 於 2006-7-10 23:31 發表
因為唔知係唔係 y cap...... 所以早2日已經在公婆度入左20發 2200 pf lu.....
宜家有6個在家中....... 但係好似冇咩分別...... 可以我對耳聽唔出.......
I am looking into building a "noise listener", so you guys could check if the filter really did something to "clean" the mains....
Anyway, if you do have a lot of noise, and my DIY mains filter aren't helping, you should start looking for the source that is causing the noise, and buy a properly built mains filter  |