{"id":264908,"date":"2024-05-02T15:00:21","date_gmt":"2024-05-02T15:00:21","guid":{"rendered":"https:\/\/www.ecoustics.com\/products\/qed-supremus-zr\/"},"modified":"2024-05-04T06:41:04","modified_gmt":"2024-05-04T06:41:04","slug":"qed-supremus-zr","status":"publish","type":"post","link":"https:\/\/www.ecoustics.com\/products\/qed-supremus-zr\/","title":{"rendered":"QED Launches Supremus Zr Flagship Speaker Cable: High End Munich 2024"},"content":{"rendered":"\n<p><strong>QED<\/strong> earned its stripes developing affordable loudspeaker and interconnect cables and the vast majority of its products are still priced for music listeners who do not have a huge budget for cables &#8212; which would be 99% of the market. We are huge proponents of their products and many of use them in our home systems; the new <strong><a href=\"https:\/\/www.ecoustics.com\/articles\/qed-chord-editors-choice-2023\/\">Golden Anniversary XT<\/a><\/strong> loudspeaker cables earned our &#8220;Editor&#8217;s Choice&#8221; award in 2023 and remain one of the best values around. The British manufacturer does offer more expensive models in its lineup but none of them approach the new next-generation flagship loudspeaker cable: <strong>Supremus Zr<\/strong>.<\/p>\n\n\n\n<p>Developed without compromise, Supremus Zr is the result of more than five decades of technological evolution and refinement.\u00a0<\/p>\n\n\n\n<p>Featuring leading-edge QED audio innovations, the new Zr model now boasts high-quality zirconia plugs and barrels. Used in watches and fountain pens and in automotive and aerospace industries, this advanced ceramic material is prized for its durability and high resistance to wear, temperature and eddy currents. Its lustrous surface also adds a luxury finish to the cable.\u00a0<\/p>\n\n\n\n<p>In conjunction with QED\u2019s <strong>Aircore <\/strong>and <strong>Airloc <\/strong>technologies and a host of other cutting-edge&nbsp;designs, Supremus Zr represents the most effective way of preserving the integrity and fidelity of&nbsp;the analog music signal from beginning to end that QED has ever achieved.&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\"  itemprop=\"image\" src=\"\/wp-content\/plugins\/wp2cloud-wordpress-to-cloud\/wp2cloud.php?weblob_id=82506\/qed-supremus-zr-connected.jpg\" alt=\"QED Supremus Zr Speaker Cable Connected\" class=\"wp-image-265009\"\/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-key-features\">Key Features:<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Zirconia Airloc design:<\/strong> hard-wearing zirconia barrels and boots offer durability and resistance to performance-affecting eddy currents, in one lustrous-looking material.<\/li>\n\n\n\n<li><strong>Cold weld system: <\/strong>unifies the conductors and plug components for a lifetime of functionality.&nbsp;<\/li>\n\n\n\n<li><strong>Rhodium-plated locking design <\/strong>ensures optimal contact between a speaker binding post&nbsp;and the cable plug for a maintenance-free connection.&nbsp;<\/li>\n\n\n\n<li><strong>Aircore technology <\/strong>delivers an even, consistent performance across the entire audible frequency range.&nbsp;<\/li>\n\n\n\n<li><strong>6.2 mm<sup>2 <\/sup>ultra-low resistance conductors <\/strong>effectively allows your amplifier to exert&nbsp; complete control over your speakers.<\/li>\n\n\n\n<li><strong>Cryogenic treatment <\/strong>ensures a perfect cable microstructure for more natural tonality.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\"  itemprop=\"image\" src=\"\/wp-content\/plugins\/wp2cloud-wordpress-to-cloud\/wp2cloud.php?weblob_id=82510\/qed-supremus-zr-closeup.jpg\" alt=\"QED Supremus Zr Speaker Cable Closeup\" class=\"wp-image-265013\"\/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-zirconia-barrels-and-boots\">Zirconia Barrels and Boots?\u00a0<\/h3>\n\n\n\n<p>The exceptionally high mechanical strength of zirconia, its remarkable resistance to scratches and general wear, and its glossily lustrous finish, all make it the ideal material for this cable\u2019s barrels and boots.<\/p>\n\n\n\n<p>Not only are the Supremus Zr plugs gleaming and tactile, the electrically inert nature&nbsp;of zirconia also means eddy currents cannot become established and therefore plug-induced distortion remains vanishingly low.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\"  itemprop=\"image\" src=\"\/wp-content\/plugins\/wp2cloud-wordpress-to-cloud\/wp2cloud.php?weblob_id=82507\/qed-supremus-zr-cable-closeup.jpg\" alt=\"QED Supremus Zr Speaker Cable Side Closeup\" class=\"wp-image-265010\"\/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-rhodium-plated-locking-design\">Rhodium-plated locking design\u00a0<\/h3>\n\n\n\n<p>Aside from its purely decorative properties &#8211; which are considerable &#8211; rhodium makes the surface&nbsp; of the Supremus Zr connectors very smooth, increasing the contact area and reducing resistance.&nbsp; <\/p>\n\n\n\n<p>Designed specifically for Supremus Zr cable, this unique contact expansion system securely&nbsp;clamps the rhodium-plated beryllium copper pins into the speaker terminals, while at the same&nbsp;time increasing the contact area of the plugs, simply by twisting the plug barrel until it is tight.&nbsp;<\/p>\n\n\n\n<p>And because it\u2019s so very hard-wearing and resistant to oxidisation, rhodium can cope with the\u00a0 extra load exerted by our locking design &#8211; which ensures a perfect, maintenance-free connection.\u00a0<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\"  itemprop=\"image\" src=\"\/wp-content\/plugins\/wp2cloud-wordpress-to-cloud\/wp2cloud.php?weblob_id=82511\/qed-supremus-zr-cobra.jpg\" alt=\"QED Supremus Zr Speaker Cable Cobra\" class=\"wp-image-265014\"\/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-aircore-technology\">Aircore technology\u00a0<\/h3>\n\n\n\n<p>Loudspeaker cables with large cross-sectional areas are prone to <em>skin effect<\/em>, where high frequency analogue music signals are forced to the outside of the conductor, and <em>proximity effect <\/em>that disrupts current distribution. QED\u2019s innovative Aircore technology combines hollow tubular\u00a0 conductors &#8211; to minimise the <em>skin effect <\/em>&#8211; with polyester insulation and a special spiral construction to reduce the <em>proximity effect<\/em>. This highly effective combination evens out current density and significantly improves the cable&#8217;s uniformity throughout the audio band.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-6-2-mm-2-ultra-low-resistance-conductors\">6.2 mm<sup>2 <\/sup>ultra-low resistance conductors\u00a0<\/h3>\n\n\n\n<p>Boasting a large cross-sectional area, the ultra-low resistance, silver-plated, oxygen-free copper conductors effectively bring the amplifier electrically much closer to the loudspeakers, enabling it to exercise better control over them, so the fidelity of the original music signal can be more\u00a0 accurately maintained.\u00a0<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\"  itemprop=\"image\" src=\"\/wp-content\/plugins\/wp2cloud-wordpress-to-cloud\/wp2cloud.php?weblob_id=82503\/qed-supremus-zr-connected-to-speaker.jpg\" alt=\"QED Supremus Zr Speaker Cable Connected to Loudspeaker\" class=\"wp-image-265006\"\/><\/figure><\/div>\n\n\n<h3 class=\"wp-block-heading\" id=\"h-cryogenic-treatment\">Cryogenic treatment\u00a0<\/h3>\n\n\n\n<p>Cryogenic treatment improves the microstructure of the copper core by eliminating crystalline dislocations. Numerous brass musical instruments at all points of the frequency range have been found to produce a better, more natural tone after deep cryogenic treatment.\u00a0<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-specifications\">Specifications<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Cross-sectional area: 6.20 mm2<\/li>\n\n\n\n<li>Wire gauge: 10 AWG<\/li>\n\n\n\n<li>Outside diameter: 17 mm<\/li>\n\n\n\n<li>Loop resistance: 0.005 \u03a9\/m<\/li>\n\n\n\n<li>Parallel capacitance: 48 pF\/m<\/li>\n\n\n\n<li>Loop inductance: 0.49 \u03bcH\/m<\/li>\n\n\n\n<li>Dissipation factor: 0.009<\/li>\n\n\n\n<li>Technology: QED Aircore\u2122; cryogenically treated; QED Airloc\u2122<\/li>\n\n\n\n<li>Conductors: 32 solid core, silver-plated, 99.999% oxygen-free, polyester coated copper<\/li>\n\n\n\n<li>Dielectric: Foamed polyethylene, LDPE, and air<\/li>\n\n\n\n<li>Plugs: Rhodium-plated, locking Airloc plugs with zirconia barrels<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\"  itemprop=\"image\" src=\"\/wp-content\/plugins\/wp2cloud-wordpress-to-cloud\/wp2cloud.php?weblob_id=82504\/qed-supremus-zr-straight.jpg\" alt=\"QED Supremus Zr Speaker Cable Straight\" class=\"wp-image-265007\"\/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-price-amp-availability\">Price &amp; Availability<\/h4>\n\n\n\n<p>QED Supremus Zr is expected to be available in July 2024 in pre-terminated options from QED retailers with pricing per pair varying by length:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>QED Supremus Zr 2.0 m &#8211; $2,100 (\u00a31,399 \/ \u20ac 1,749)<\/li>\n\n\n\n<li>QED Supremus Zr 2.5 m &#8211; $2,400 (\u00a31,599 \/ \u20ac 1,999)<\/li>\n\n\n\n<li>QED Supremus Zr 3.0 m &#8211; $2,700 (\u00a31,799 \/ \u20ac 2,249)<\/li>\n\n\n\n<li>QED Supremus Zr 4.0 m &#8211; $3,300 (\u00a32,199 \/ \u20ac 2,749)<\/li>\n\n\n\n<li>QED Supremus Zr 5.0 m &#8211; $3,900 (\u00a32,599 \/ \u20ac 3,249)<\/li>\n<\/ul>\n\n\n\n<p>The QED Supremus Zr will be on display at the\u00a0<strong>High End Show in Munich<\/strong>\u00a0from May 9-12, 2024 at Atrium 4.1, Room F110.<\/p>\n\n\n\n<p>For more information: <a href=\"https:\/\/www.qed.co.uk\" target=\"_blank\" rel=\"noreferrer noopener\">www.qed.co.uk<\/a> (UK) | <a href=\"https:\/\/www.qedcable.com\" target=\"_blank\" rel=\"noreferrer noopener\">www.qedcable.com<\/a> (US)<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\"  itemprop=\"image\" src=\"\/wp-content\/plugins\/wp2cloud-wordpress-to-cloud\/wp2cloud.php?weblob_id=82508\/qed-supremus-zr-boot.jpg\" alt=\"QED Supremus Zr Speaker Cable Boot\" class=\"wp-image-265011\"\/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-about-qed\">About QED<\/h4>\n\n\n\n<p>British audio specialist QED has been designing and engineering superior AV cables for nearly five decades and is considered the original cable brand, with its QED 79 strand cable, released in 1979, widely recognized as the world\u2019s first \u201cspecialist\u201d speaker cable \u2013 a product that demonstrated how cables could have a tangible impact on audio performance.<\/p>\n\n\n\n<p>Since then, the company has used extensive scientific research and computer-aided design techniques to ensure its products remain at the very cutting edge of technology. That rich heritage and constant drive for innovation underpins QED\u2019s latest products. <\/p>\n","protected":false},"excerpt":{"rendered":"<p>QED&#8217;s top-of-the-line speaker cables priced from $2,100 to $3,900 feature high-quality zirconia plugs and barrels.<\/p>\n","protected":false},"author":89,"featured_media":265008,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"apple_news_api_created_at":"","apple_news_api_id":"","apple_news_api_modified_at":"","apple_news_api_revision":"","apple_news_api_share_url":"","apple_news_coverimage":0,"apple_news_coverimage_caption":"","apple_news_is_hidden":false,"apple_news_is_paid":false,"apple_news_is_preview":false,"apple_news_is_sponsored":false,"apple_news_maturity_rating":"","apple_news_metadata":"\"\"","apple_news_pullquote":"","apple_news_pullquote_position":"","apple_news_slug":"","apple_news_sections":"\"\"","apple_news_suppress_video_url":false,"apple_news_use_image_component":false,"footnotes":""},"categories":[223,22],"tags":[19766,19763,14452,19707,15624,15294,8899,15495,19762,9702,19761,19765,15509,19764],"class_list":{"0":"post-264908","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-audio-cable","8":"category-products","9":"tag-aircore-technology","10":"tag-audiophile-loudspeaker-cables","11":"tag-featured","12":"tag-high-end-munich-2024","13":"tag-newsletter","14":"tag-qed","15":"tag-qed-cables","16":"tag-qed-golden-anniversary-xt","17":"tag-qed-high-munich-2024","18":"tag-qed-reference-audio-40","19":"tag-qed-supremus-zr","20":"tag-rhodium-plated-locking-design","21":"tag-speaker-cable","22":"tag-zirconia-airloc-design"},"apple_news_notices":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.4 (Yoast SEO v24.4) - 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White has been covering consumer audio, home theater, and A\/V since 1998, which means he has spent nearly three decades watching perfectly sensible products slowly evolve into more expensive versions of themselves with extra steps. His work has appeared in eCoustics, The New York Times, Gear Patrol, Digital Trends, JAZZIZ, Big Picture Big Sound, SoundStage, Enjoy the Music, and The Jerusalem Post, covering everything from high-end audio, home theater, movies, music, food, and the connected city. He\u2019s a certified ISF calibrator, a former Lead Copywriter, and a veteran of the quieter corners of threat engineering and cybersecurity, where nothing works without approval and someone is always asking about the TPS report. Academically, he holds a degree in Near Eastern Affairs with minors in Judaic Studies and Forensic Science. His worldview is shaped by history rather than theory: grandson of Holocaust survivors, descendant of Irgun founders, and named after an IDF tank commander killed during the Yom Kippur War. Born in Toronto, his upbringing ricocheted between Washington D.C., Chicago, Rockville, Northern Israel, Arkham Asylum, and a few other formative environments best discussed off the record, before settling in New Jersey, and South Florida\u2014because chaos, like mold, thrives in humidity and traffic. He was conceived at a drive-in movie (yes, really) and has since watched more than 5,733 films across eight countries, though he will still go to his grave insisting he waited only seven days, not eight, to see The Phantom Menace. When he\u2019s not writing, Ian collects vintage film posters, books, and an unreasonable amount of Star Wars, Detroit Red Wings and Washington Capitals memorabilia. He\u2019s a professional-grade foodie and former pizza maker whose loyalties lie with dim sum, biltong, curry, pizza, deli sandwiches, pho, and Korean BBQ. 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White has been covering consumer audio, home theater, and A\/V since 1998, which means he has spent nearly three decades watching perfectly sensible products slowly evolve into more expensive versions of themselves with extra steps. His work has appeared in eCoustics, The New York Times, Gear Patrol, Digital Trends, JAZZIZ, Big Picture Big Sound, SoundStage, Enjoy the Music, and The Jerusalem Post, covering everything from high-end audio, home theater, movies, music, food, and the connected city. He\u2019s a certified ISF calibrator, a former Lead Copywriter, and a veteran of the quieter corners of threat engineering and cybersecurity, where nothing works without approval and someone is always asking about the TPS report. Academically, he holds a degree in Near Eastern Affairs with minors in Judaic Studies and Forensic Science. His worldview is shaped by history rather than theory: grandson of Holocaust survivors, descendant of Irgun founders, and named after an IDF tank commander killed during the Yom Kippur War. Born in Toronto, his upbringing ricocheted between Washington D.C., Chicago, Rockville, Northern Israel, Arkham Asylum, and a few other formative environments best discussed off the record, before settling in New Jersey, and South Florida\u2014because chaos, like mold, thrives in humidity and traffic. He was conceived at a drive-in movie (yes, really) and has since watched more than 5,733 films across eight countries, though he will still go to his grave insisting he waited only seven days, not eight, to see The Phantom Menace. When he\u2019s not writing, Ian collects vintage film posters, books, and an unreasonable amount of Star Wars, Detroit Red Wings and Washington Capitals memorabilia. He\u2019s a professional-grade foodie and former pizza maker whose loyalties lie with dim sum, biltong, curry, pizza, deli sandwiches, pho, and Korean BBQ. Weekends involve parenting, Shul, record digging, scribbling notes in his Hemingway-inspired shawl cardigan, rewatching movies he\u2019s already memorized, firing slapshots at the garage door like it\u2019s Game 7, and casting into the Atlantic Gulf Stream in search of dinner, clarity, and whatever\u2019s left of his moral compass.","sameAs":["https:\/\/www.instagram.com\/soundscreenandcuredjudgment\/","https:\/\/www.linkedin.com\/in\/ian-d-white-969a48160\/"],"knowsAbout":["Fishing","cooking","writing","cleaning pots"],"knowsLanguage":["English","French","Hebrew"],"url":"https:\/\/www.ecoustics.com\/author\/ian-white\/"}]}},"_links":{"self":[{"href":"https:\/\/www.ecoustics.com\/wp-json\/wp\/v2\/posts\/264908","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ecoustics.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ecoustics.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ecoustics.com\/wp-json\/wp\/v2\/users\/89"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ecoustics.com\/wp-json\/wp\/v2\/comments?post=264908"}],"version-history":[{"count":0,"href":"https:\/\/www.ecoustics.com\/wp-json\/wp\/v2\/posts\/264908\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ecoustics.com\/wp-json\/wp\/v2\/media\/265008"}],"wp:attachment":[{"href":"https:\/\/www.ecoustics.com\/wp-json\/wp\/v2\/media?parent=264908"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ecoustics.com\/wp-json\/wp\/v2\/categories?post=264908"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ecoustics.com\/wp-json\/wp\/v2\/tags?post=264908"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}