On Fri, 21 Nov 2008 12:25:13 -0000, Dave Hachadorian wrote: >put it in a >metal box with filters on the input and output, and it still >made too much noise. Those chargers are definitely bad news. Sounds like it needs my "bucket treatment" -- find a big bucket, fill it with water, put the charger in twice, take it out once. 73, Jim K9YC