I'm not much of an electrical guru. But hey.. worth a try. In my home, I had a hum in my Old Dolby sound system. I started to unplug everything on that circuit, Well It was a lamp. A halogen lamp on the same circuit. Average conversation measures about 60 decibels. The purring of the family cat rates about 25 decibels. Blood coursing through the human body makes a measurable sound -- about 10 decibels. At the other end of the noise scale, an average typewriter produces 70 decibels of noise; a printing press 80; a subway train 100; and a punch press 110 decibels. Above 120 decibels, sound becomes painful and can be felt as well as heard.Statistics: Posted by Looking In — Thu Oct 18, 2007 4:55 am
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