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Junior Varsity
Noisy laptop power supply
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<blockquote data-quote="Ivan Beaver" data-source="post: 47877" data-attributes="member: 30"><p>Re: Noisy laptop power supply</p><p></p><p></p><p>But that assumes that the metal box is actually grounded. </p><p></p><p>And I wonder how many people have actually seen these "widow makers" used properly? I cannot recall a single time I have.</p><p></p><p>AND LET'S BE HONEST HERE-how many of you carry-or have carried- these and used them to "float" the AC ground to get rid of hum?</p><p></p><p>I used to carry a number of them-HOWEVER after I took my first Bill Whitlock grounding class-I have never used them since. After understanding the real issues-I have sought out the real problems with hum and taken care of it where it should be taken care of-on the ac signal paths.</p></blockquote><p></p>
[QUOTE="Ivan Beaver, post: 47877, member: 30"] Re: Noisy laptop power supply But that assumes that the metal box is actually grounded. And I wonder how many people have actually seen these "widow makers" used properly? I cannot recall a single time I have. AND LET'S BE HONEST HERE-how many of you carry-or have carried- these and used them to "float" the AC ground to get rid of hum? I used to carry a number of them-HOWEVER after I took my first Bill Whitlock grounding class-I have never used them since. After understanding the real issues-I have sought out the real problems with hum and taken care of it where it should be taken care of-on the ac signal paths. [/QUOTE]
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