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<blockquote data-quote="chris229" data-source="post: 49775" data-attributes="member: 542614"><p>I&#039;m not attacking you or anything. just informing you. First don&#039;t let a company tell you that they have a fix for a problem you never had. Hell people buy anything. Their isn&#039;t any reason not to sell shielded cable. PEOPLE BUY IT. I&#039;m not saying shielding isn&#039;t useful. It is at EMF freqs above 1 MHZ. It good for shielding RADIO FREQ noise. for that reason it is good for cables that recieve OR transmit RADIO FREQS. As far as signals in an RCA as you know are between 20-20,000HZ and also the amps input freq range. There isn&#039;t a shield in the world to stop LOW FREQ EMF. It is a fact look it up. The only thing you can do to low freq emf is try to redirect and reshape it with high permeablitiy metals. The mu-metal and co-netic shields types help redirect the field BUT it is very expensive and not needed. You could put 1000 turns of foil on your wires and the effect wouldn&#039;t be any better than a roll of paper towels. The noise is picked up in a system using signals in the audioible range this tells you that the noise Freq must be in that range too. an alt whine is a 3,000HZ noise inducted noise.</p></blockquote><p></p>

[QUOTE="chris229, post: 49775, member: 542614"] I'm not attacking you or anything. just informing you. First don't let a company tell you that they have a fix for a problem you never had. Hell people buy anything. Their isn't any reason not to sell shielded cable. PEOPLE BUY IT. I'm not saying shielding isn't useful. It is at EMF freqs above 1 MHZ. It good for shielding RADIO FREQ noise. for that reason it is good for cables that recieve OR transmit RADIO FREQS. As far as signals in an RCA as you know are between 20-20,000HZ and also the amps input freq range. There isn't a shield in the world to stop LOW FREQ EMF. It is a fact look it up. The only thing you can do to low freq emf is try to redirect and reshape it with high permeablitiy metals. The mu-metal and co-netic shields types help redirect the field BUT it is very expensive and not needed. You could put 1000 turns of foil on your wires and the effect wouldn't be any better than a roll of paper towels. The noise is picked up in a system using signals in the audioible range this tells you that the noise Freq must be in that range too. an alt whine is a 3,000HZ noise inducted noise. [/QUOTE]

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