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Ground Control From Computer Audio Design - The Audiophile Man
Offering a passive method of removing high frequency noise using the Signal Ground as a drain point, to improve sound quality, Paul Rigby reviews CAD’s Ground Control units and talks to designer and Computer Audio Design boss, Scott Berry I’ve been almost OCD in my quest to remove extraneous, unwanted, masking frequencies from my precious Hi-Fi system. This is why I go on (and on) about cables and shelving and power blocks and isolation feet and lots of other ancillary equipment which does (with varying degrees and measures of success) reduce the blasted stuff. The frequencies, frankly, get in the way of music. They mask delicate details and flatten out dynamics. Removing this ‘noise’ brings all of this lovely music back again, allowing you to hear your Hi-Fi system, sometimes properly for the first time. I’ve used the metaphor before but this noise is a bit like trying to hold a conversation in a rowdy pub. Kick all of the other customers out of the place and hold the same conversation and hear more detail in how the voices express themselves, the nuances in the delivery, the emotion behind emphasis. That’s the sort of differences you should expect to hear …