{"id":5498,"date":"2020-05-12T13:08:20","date_gmt":"2020-05-12T17:08:20","guid":{"rendered":"https:\/\/nordost.com\/blog\/?p=5498"},"modified":"2020-05-12T13:08:21","modified_gmt":"2020-05-12T17:08:21","slug":"the-well-grounded-system-an-update","status":"publish","type":"post","link":"https:\/\/nordost.com\/blog\/the-well-grounded-system-an-update\/","title":{"rendered":"The Well-Grounded System: An Update"},"content":{"rendered":"\n
\n\n\n\n

By Mike\nMarko<\/p>\n\n\n\n

\"\"<\/figure><\/div>\n\n\n\n

Five years ago, that sunny day when I first pounded in that ground rod<\/a> and attached the Nordost QLINE ground wire to my Nordost QB8 MKII power distribution system was an absolute revelation.\u00a0 The sonic improvements were unmistakable: in general, there was not only better timing to the system, but, specifically, far better bass definition. \u00a0However, a problem was lurking.\u00a0 By adding an earth ground to the electrical wiring in my house, I actually unbalanced the grounding scheme of the house and the entire neighborhood.\u00a0 You see, in my neighborhood there is only an earth connection at the pole that supplies power and ground to groups of homes at a time.\u00a0 After looking up the electrical code (always a good thing, especially before a project like this!) I found that, in my case, adding an earth ground at the house was not a good thing. To complicate things further, ground rods also vary in their conduction to the earth.\u00a0 Ground moisture and salinization affect this conduction, so performance often varies. But I loved the sonic improvements!!! So: what should I (and you, dear reader) do?<\/p>\n\n\n\n

Enter the QKORE<\/a><\/strong>.\u00a0 <\/strong>The QKORE is Nordost\u2019s ground-breaking (pun intended) system for establishing a quiet ground reference for stereo systems – Unlike other grounding options, it does not violate the electrical code and is easy to employ even in high-rise homes.\u00a0 The <\/strong>QKORE system utilizes Low Voltage Attractor Plates (LVAP) that act as an artificial earth ground to Electromagnetic Interference (EMI) and Radio Frequency Interference (RFI) so these nasties are totally attracted to the LVAPs for dissipation.\u00a0 All without the bother of an actual conductor in the dirt with far more consistent performance!<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

The QKORE <\/strong>system goes one step further in addressing ground noise, which can be generated after the power supply in any given component.\u00a0 This noise is insidious.\u00a0 It masks low level detail, much like a noise masking system in an open-plan office.\u00a0 The idea of noise masking is to generate enough of a noise pattern – modified white noise \u2013 so that, in this analogy, one office-person’s noise doesn’t intrude on the acoustic space of another. It is highly effective too.\u00a0 The low-level noise distinctly generated by loudspeakers above a suspended ceiling makes it very difficult to hear the person next to you; all the while, the noise, itself, is inaudible.\u00a0 This also happens in your system when ground \u201cnoise\u201d masks the low-level signals one is fighting to hear.\u00a0 Like the ambience and reverb decay in your favorite music hall or the intimate feeling of a small jazz club or a great studio.\u00a0 <\/p>\n\n\n\n

So, while the primary ground reference can now be established by connecting an LVAP to the incoming AC ground, the QKORE can also now attack the DC noise generated by the components, themselves.  Nordost calls this the secondary ground connection.  It is accomplished by using special QKORE grounding wires that use common audio connections to link the ground after the components\u2019 power supply to its own LVAP.  These audio connection QKORE ground wires only connect to an unused ground connection at unused input or output connectors, like RCA, BNC, XLR, RJ45, etc.  <\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

The QKORE 1 deals with just the primary AC ground noise and connects to your power distribution strip.\u00a0 The QKORE 3 is solely intended for secondary ground DC noise utilizing audio connectors on the components themselves.\u00a0 The ever popular QKORE 6 is a combo unit with two LVAPs that do both jobs in one unit.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

But, you may ask, “How does all this compare to my original ground rod system?”\u00a0 Well, let me say unequivocally that the QKORE <\/strong>solution sounds far better and is far more stable, day in and day out.\u00a0 My system has never sounded consistently better and the low-level resolution and bass performance are out of this world!<\/p>\n\n\n\n

\n","protected":false},"excerpt":{"rendered":"

By Mike Marko Five years ago, that sunny day when I first pounded in that ground rod and attached the Nordost QLINE ground wire to my Nordost QB8 MKII power … Continue reading “The Well-Grounded System: An Update”<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[14,5],"tags":[],"class_list":["post-5498","post","type-post","status-publish","format-standard","hentry","category-nordosts-technical-and-product-blog","category-nordost-tech-talk"],"yoast_head":"\nThe Well-Grounded System: An Update - Nordost Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/nordost.com\/blog\/the-well-grounded-system-an-update\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"The Well-Grounded System: An Update - 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