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I haven't gone there.

76.191.156.247

In Reply to: RE: Question for Al... posted by MMasztal on June 30, 2009 at 16:41:20

Any fluorescent lamp needs a ballast to function with AC line power. The newer ballasts are electronic and I would expect them to make RF noise at some level. The electric arc inside the tube is also a noise source. However, I've not noticed noise on AM radios near lamps with compact fluorescent bulbs installed.

Your question inspired me to hold a portable AM radio right next to a CFL. I could hear a slight hiss with the lamp on that went away when I switched it off. Other non-audio appliances seem to be worse. The fluorescent display on my Wadia 861 makes about as much noise.

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