{"id":742,"date":"2020-03-27T04:58:10","date_gmt":"2020-03-27T04:58:10","guid":{"rendered":"http:\/\/blogs.qsc.com\/live-sound\/?p=742"},"modified":"2020-10-29T10:51:38","modified_gmt":"2020-10-29T10:51:38","slug":"what-are-the-differences-between-balanced-unbalanced-and-loudspeaker-cables","status":"publish","type":"post","link":"https:\/\/blogs.qsc.com\/live-sound\/fr\/what-are-the-differences-between-balanced-unbalanced-and-loudspeaker-cables\/","title":{"rendered":"Quelle est la diff\u00e9rence entre des c\u00e2bles sym\u00e9triques et asym\u00e9triques ?"},"content":{"rendered":"<div class=\"trp_language_switcher_shortcode\">\n<div class=\"trp-language-switcher trp-language-switcher-container\" data-no-translation>\n    <div class=\"trp-ls-shortcode-current-language\">\n        <a href=\"#\" class=\"trp-ls-shortcode-disabled-language trp-ls-disabled-language\" title=\"Fran\u00e7ais\" onclick=\"event.preventDefault()\">\n\t\t\t Fran\u00e7ais\t\t<\/a>\n    <\/div>\n    <div class=\"trp-ls-shortcode-language\">\n                <a href=\"#\" class=\"trp-ls-shortcode-disabled-language trp-ls-disabled-language\"  title=\"Fran\u00e7ais\" onclick=\"event.preventDefault()\">\n\t\t\t Fran\u00e7ais\t\t<\/a>\n                    <a href=\"https:\/\/blogs.qsc.com\/live-sound\/fr\/wp-json\/wp\/v2\/posts\/742\" title=\"English\">\n             English        <\/a>\n\n            <a href=\"https:\/\/blogs.qsc.com\/live-sound\/fr\/wp-json\/wp\/v2\/posts\/742\" title=\"Deutsch\">\n             Deutsch        <\/a>\n\n            <a href=\"https:\/\/blogs.qsc.com\/live-sound\/fr\/wp-json\/wp\/v2\/posts\/742\" title=\"Espa\u00f1ol de M\u00e9xico\">\n             Espa\u00f1ol de M\u00e9xico        <\/a>\n\n        <\/div>\n    <script type=\"application\/javascript\">\n        \/\/ need to have the same with set from JS on both divs. Otherwise it can push stuff around in HTML\n        var trp_ls_shortcodes = document.querySelectorAll('.trp_language_switcher_shortcode .trp-language-switcher');\n        if ( trp_ls_shortcodes.length > 0) {\n            \/\/ get the last language switcher added\n            var trp_el = trp_ls_shortcodes[trp_ls_shortcodes.length - 1];\n\n            var trp_shortcode_language_item = trp_el.querySelector( '.trp-ls-shortcode-language' )\n            \/\/ set width\n            var trp_ls_shortcode_width                                               = trp_shortcode_language_item.offsetWidth + 16;\n            trp_shortcode_language_item.style.width                                  = trp_ls_shortcode_width + 'px';\n            trp_el.querySelector( '.trp-ls-shortcode-current-language' ).style.width = trp_ls_shortcode_width + 'px';\n\n            \/\/ We're putting this on display: none after we have its width.\n            trp_shortcode_language_item.style.display = 'none';\n        }\n    <\/script>\n<\/div>\n<\/div>\n<p>Let\u2019s begin by stating that every cable has the potential to add noise and compromise the overall sound quality of any audio system, so using the right cable for your application is crucial.<\/p>\n<p><strong>The Shield<\/strong><\/p>\n<p>An important element of an audio cable is the so-called shield or screen. This outer conductor encircles the other conductor(s) to shield them from electrostatic interference. When implemented properly, this outer screen, which may be made of wire braid, metal foil, or conductive plastic serves as an extension of the equipment chassis, which typically serves as a ground (i.e., a zero-reference for its internal voltages). Thus, the cable shield contains the signal conductor(s) within that zero-voltage reference; a good-quality shield has both good coverage around the internal conductors and extremely low resistance so it can maintain that zero-voltage reference as closely as possible along its length.<\/p>\n<p>However, this simple screening solution is not perfect\u2014for one thing, unless the shield conductor is a magnetically permeable metal like steel or nickel, it is ineffective against electromagnetic fields\u2014and that is why balancing technology was developed.<\/p>\n<p><strong>Unbalanced Cables<\/strong><\/p>\n<p>An unbalanced cable consists of two conductors inside a cable connected to a single connector\u2014a signal conductor and a shield\/ground conductor. A standard TS (or \u201ctip-sleeve\u201d) guitar cable is an unbalanced cable. Standard RCA cables used in AV components use two unbalanced cables mounted together (red and white phono\/RCA connectors).<\/p>\n<p>Inside the cable, the signal conductor is in the center and the ground conductor surrounds it. The shield\/ground serves two functions\u2014it carries part of the audio signal (signal return path) and shields the signal conductor from outside interferences such as electrostatic fields, noise or radio frequency (RF) transmissions. When interference induces noise voltage in the shield conductor\u2014which also carries signal\u2014that noise also adds to the signal voltage.<\/p>\n<p>Even if the cable shielding is very good and not highly susceptible to inducing noise voltage, it offers very little protection against electromagnetically induced hum. That is because the cable itself is actually acting like a single-turn transformer, coupling energy from other mains conductors and transformers in the vicinity.<\/p>\n<p>For this reason, unbalanced cables should not be longer than 4-6 meters (15-20 feet), especially when used in noisy environments and with signals that are typically low level, as in keyboards, guitars, MP3 players, etc.<\/p>\n<figure id=\"attachment_744\" aria-describedby=\"caption-attachment-744\" style=\"width: 858px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/blogs.qsc.com\/live-sound\/fr\/app\/uploads\/sites\/3\/2020\/03\/Blog_March_Unbalanced-Cabling_Image_1.png\/\" rel=\"attachment wp-att-744\"><img decoding=\"async\" class=\"size-full wp-image-744\" src=\"https:\/\/blogs.qsc.com\/app\/uploads\/sites\/3\/2020\/03\/Blog_March_Unbalanced-Cabling_Image_1.png\" alt=\"Figure 1. Unbalanced cable connection principle\" width=\"858\" height=\"240\" srcset=\"https:\/\/blogs.qsc.com\/app\/uploads\/sites\/3\/2020\/03\/Blog_March_Unbalanced-Cabling_Image_1.png 858w, https:\/\/blogs.qsc.com\/app\/uploads\/sites\/3\/2020\/03\/Blog_March_Unbalanced-Cabling_Image_1-300x84.png 300w, https:\/\/blogs.qsc.com\/app\/uploads\/sites\/3\/2020\/03\/Blog_March_Unbalanced-Cabling_Image_1-768x215.png 768w, https:\/\/blogs.qsc.com\/app\/uploads\/sites\/3\/2020\/03\/Blog_March_Unbalanced-Cabling_Image_1-250x70.png 250w, https:\/\/blogs.qsc.com\/app\/uploads\/sites\/3\/2020\/03\/Blog_March_Unbalanced-Cabling_Image_1-550x154.png 550w, https:\/\/blogs.qsc.com\/app\/uploads\/sites\/3\/2020\/03\/Blog_March_Unbalanced-Cabling_Image_1-800x224.png 800w, https:\/\/blogs.qsc.com\/app\/uploads\/sites\/3\/2020\/03\/Blog_March_Unbalanced-Cabling_Image_1-644x180.png 644w\" sizes=\"(max-width: 858px) 100vw, 858px\" \/><\/a><figcaption id=\"caption-attachment-744\" class=\"wp-caption-text\">Figure 1. Unbalanced cable connection principle<\/figcaption><\/figure>\n<figure id=\"attachment_754\" aria-describedby=\"caption-attachment-754\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/blogs.qsc.com\/live-sound\/fr\/app\/uploads\/sites\/3\/2020\/03\/Blog_March_Unbalanced-Cabling_Image_2-800-copy-1.png\/\" rel=\"attachment wp-att-754\"><img decoding=\"async\" class=\"size-full wp-image-754\" src=\"https:\/\/blogs.qsc.com\/app\/uploads\/sites\/3\/2020\/03\/Blog_March_Unbalanced-Cabling_Image_2-800-copy-1.png\" alt=\"Figure 2. Unbalanced cable construction and connection to XLR and \u00bc-inch Jack (TRS \u2018tip-ring-shield\u2019 or TS \u2018tip-shield\u2019).\" width=\"800\" height=\"176\" srcset=\"https:\/\/blogs.qsc.com\/app\/uploads\/sites\/3\/2020\/03\/Blog_March_Unbalanced-Cabling_Image_2-800-copy-1.png 800w, https:\/\/blogs.qsc.com\/app\/uploads\/sites\/3\/2020\/03\/Blog_March_Unbalanced-Cabling_Image_2-800-copy-1-300x66.png 300w, https:\/\/blogs.qsc.com\/app\/uploads\/sites\/3\/2020\/03\/Blog_March_Unbalanced-Cabling_Image_2-800-copy-1-768x169.png 768w, https:\/\/blogs.qsc.com\/app\/uploads\/sites\/3\/2020\/03\/Blog_March_Unbalanced-Cabling_Image_2-800-copy-1-250x55.png 250w, https:\/\/blogs.qsc.com\/app\/uploads\/sites\/3\/2020\/03\/Blog_March_Unbalanced-Cabling_Image_2-800-copy-1-550x121.png 550w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/a><figcaption id=\"caption-attachment-754\" class=\"wp-caption-text\">Figure 2. Unbalanced cable construction and connection to XLR and \u00bc-inch Jack (TRS \u2018tip-ring-shield\u2019 or TS \u2018tip-shield\u2019).<\/figcaption><\/figure>\n<p><strong>Balanced Cables<\/strong><\/p>\n<p>A balanced connection solves this problem by carrying the signal independently from the shield\/ground conductor. A balanced cable has a core of two signal-carrying conductors surrounded by the shield. The balanced connection feeds a differential input, meaning the circuit acts only on the difference in voltage between the two signal lines. Any voltage that is the same on both will cancel out, and the circuit will ignore it.<\/p>\n<p>Typically, the signals on the two conductors are an exact mirror image of each other, but contrary to common belief, they do not actually have to be. Some balanced outputs drive the signal only on one side and terminate the other to ground through an impedance equal to the one on the driven side; this is a practice found most often in battery-powered equipment.<\/p>\n<p>What makes the connection balanced is not the symmetry in signal, but both signal conductors having precisely equal impedances to ground. The idea is that any noise that gets into one side will get equally into the other, and they will be canceled out in the differential input. In well-constructed balanced cables, the two signal conductors are evenly twisted to help ensure that their exposure to any electrostatic or electromagnetic noise fields will be equal and therefore canceling.<\/p>\n<p>For the long cable runs commonly found in live sound applications, another type of cable known as Star Quad was developed to further improve the immunity to interference. This shielded cable has four individual internal conductors wired as two parallel pairs. The conductors are arranged alternately and twisted together to better approximate the effect of both signal legs occupying the same space. These Star Quad cables are clearly more effective than conventional balanced cables for mic-level signals.<\/p>\n<p>In general, balanced cables can support long cable runs, typically 15-30 meters (50-100 feet). Standard balanced connectors designed for use with balanced signals are XLR and TRS (or \u201ctip-ring-sleeve\u201d).<\/p>\n<figure id=\"attachment_746\" aria-describedby=\"caption-attachment-746\" style=\"width: 857px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/blogs.qsc.com\/live-sound\/fr\/app\/uploads\/sites\/3\/2020\/03\/Blog_March_Balanced-Cabling_Image_3.png\/\" rel=\"attachment wp-att-746\"><img decoding=\"async\" class=\"size-full wp-image-746\" src=\"https:\/\/blogs.qsc.com\/app\/uploads\/sites\/3\/2020\/03\/Blog_March_Balanced-Cabling_Image_3.png\" alt=\"Figure 3. Balanced cable connection principle. The receiver features a differential input circuitry.\" width=\"857\" height=\"267\" srcset=\"https:\/\/blogs.qsc.com\/app\/uploads\/sites\/3\/2020\/03\/Blog_March_Balanced-Cabling_Image_3.png 857w, https:\/\/blogs.qsc.com\/app\/uploads\/sites\/3\/2020\/03\/Blog_March_Balanced-Cabling_Image_3-300x93.png 300w, https:\/\/blogs.qsc.com\/app\/uploads\/sites\/3\/2020\/03\/Blog_March_Balanced-Cabling_Image_3-768x239.png 768w, https:\/\/blogs.qsc.com\/app\/uploads\/sites\/3\/2020\/03\/Blog_March_Balanced-Cabling_Image_3-250x78.png 250w, https:\/\/blogs.qsc.com\/app\/uploads\/sites\/3\/2020\/03\/Blog_March_Balanced-Cabling_Image_3-550x171.png 550w, https:\/\/blogs.qsc.com\/app\/uploads\/sites\/3\/2020\/03\/Blog_March_Balanced-Cabling_Image_3-800x249.png 800w, https:\/\/blogs.qsc.com\/app\/uploads\/sites\/3\/2020\/03\/Blog_March_Balanced-Cabling_Image_3-578x180.png 578w\" sizes=\"(max-width: 857px) 100vw, 857px\" \/><\/a><figcaption id=\"caption-attachment-746\" class=\"wp-caption-text\">Figure 3. Balanced cable connection principle. The receiver features a differential input circuitry.<\/figcaption><\/figure>\n<figure id=\"attachment_759\" aria-describedby=\"caption-attachment-759\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/blogs.qsc.com\/live-sound\/fr\/app\/uploads\/sites\/3\/2020\/03\/Blog_March_Balanced-Cabling_Image_4-800.png\/\" rel=\"attachment wp-att-759\"><img decoding=\"async\" class=\"size-full wp-image-759\" src=\"https:\/\/blogs.qsc.com\/app\/uploads\/sites\/3\/2020\/03\/Blog_March_Balanced-Cabling_Image_4-800.png\" alt=\"Figure 4. Balanced cable construction and connection to XLR and \u00bc-inch Jack (TRS \u2018tip-ring-shield\u2019).\" width=\"800\" height=\"249\" srcset=\"https:\/\/blogs.qsc.com\/app\/uploads\/sites\/3\/2020\/03\/Blog_March_Balanced-Cabling_Image_4-800.png 800w, https:\/\/blogs.qsc.com\/app\/uploads\/sites\/3\/2020\/03\/Blog_March_Balanced-Cabling_Image_4-800-300x93.png 300w, https:\/\/blogs.qsc.com\/app\/uploads\/sites\/3\/2020\/03\/Blog_March_Balanced-Cabling_Image_4-800-768x239.png 768w, https:\/\/blogs.qsc.com\/app\/uploads\/sites\/3\/2020\/03\/Blog_March_Balanced-Cabling_Image_4-800-250x78.png 250w, https:\/\/blogs.qsc.com\/app\/uploads\/sites\/3\/2020\/03\/Blog_March_Balanced-Cabling_Image_4-800-550x171.png 550w, https:\/\/blogs.qsc.com\/app\/uploads\/sites\/3\/2020\/03\/Blog_March_Balanced-Cabling_Image_4-800-578x180.png 578w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/a><figcaption id=\"caption-attachment-759\" class=\"wp-caption-text\">Figure 4. Balanced cable construction and connection to XLR and \u00bc-inch Jack (TRS \u2018tip-ring-shield\u2019).<\/figcaption><\/figure>\n<p><strong>Loudspeaker Cables<\/strong><\/p>\n<p>A loudspeaker cable provides the electrical connection between loudspeakers and audio amplifiers. A modern loudspeaker cable typically consists of two insulated stranded copper electrical conductors. One is marked, either on the insulation or with plated strands, for maintaining the correct audio signal polarity. The cable has three key electrical properties: resistance, capacitance and inductance. Resistance is by far the most important one, as it needs to be very low to optimize the transfer of audio power from the amplifier to the loudspeaker\u2019s voice coil.<\/p>\n<p>If the cable resistance exceeds a small fraction of an ohm, it compromises the power amplifier&#8217;s damping factor. And because a loudspeaker\u2019s impedance varies with frequency, cable resistance can affect its frequency response. That is because the cable resistance is in series with the loudspeaker impedance, thereby forming a voltage divider that varies the transfer of signal to the loudspeaker with frequency.<\/p>\n<p>The loudspeaker cable\u2019s resistance is proportional to its length and inversely proportional to the cross-sectional area (i.e., gauge) of its conductors. Therefore, it is good to keep loudspeaker cables as short as is practical, but if the situation requires that they be long, then use wires with larger gauge to keep resistance down. A common rule of thumb used by live sound designers is to ensure that the round-trip resistance of the loudspeaker cable be less than 1\/20 of the loudspeaker impedance.<\/p>\n<figure id=\"attachment_756\" aria-describedby=\"caption-attachment-756\" style=\"width: 400px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/blogs.qsc.com\/live-sound\/fr\/app\/uploads\/sites\/3\/2020\/03\/Blog-March-2020_Loudspeaker-Cable_Image_5-400.png\/\" rel=\"attachment wp-att-756\"><img decoding=\"async\" class=\"size-full wp-image-756\" src=\"https:\/\/blogs.qsc.com\/app\/uploads\/sites\/3\/2020\/03\/Blog-March-2020_Loudspeaker-Cable_Image_5-400.png\" alt=\"Figure 5. Loudspeaker cable construction.\" width=\"400\" height=\"227\" srcset=\"https:\/\/blogs.qsc.com\/app\/uploads\/sites\/3\/2020\/03\/Blog-March-2020_Loudspeaker-Cable_Image_5-400.png 400w, https:\/\/blogs.qsc.com\/app\/uploads\/sites\/3\/2020\/03\/Blog-March-2020_Loudspeaker-Cable_Image_5-400-300x170.png 300w, https:\/\/blogs.qsc.com\/app\/uploads\/sites\/3\/2020\/03\/Blog-March-2020_Loudspeaker-Cable_Image_5-400-250x142.png 250w, https:\/\/blogs.qsc.com\/app\/uploads\/sites\/3\/2020\/03\/Blog-March-2020_Loudspeaker-Cable_Image_5-400-317x180.png 317w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/a><figcaption id=\"caption-attachment-756\" class=\"wp-caption-text\">Figure 5. Loudspeaker cable construction.<\/figcaption><\/figure>\n<p><strong>Conclusion<\/strong><\/p>\n<p>Audio cables have only one task, to transmit signals from one end to the other without any loss. This said, it is highly critical to select the correct type of cable for each application, taking into account the cable length required, its overall electrical impedance and the type of devices and signal sources that will be connected to the cable.<\/p>","protected":false},"excerpt":{"rendered":"<p>Rappelons que tout c\u00e2ble est susceptible d'ajouter du bruit et de compromettre la qualit\u00e9 sonore globale de tout syst\u00e8me audio : choisir le c\u00e2ble le plus appropri\u00e9 \u00e0 votre application est donc d'une importance vitale. \nC\u00e2bles asym\u00e9triques. Un c\u00e2ble asym\u00e9trique se compose de deux conducteurs reli\u00e9s \u00e0 un seul connecteur : un conducteur de signal et un blindage\/conducteur de masse... <a href=\"https:\/\/blogs.qsc.com\/live-sound\/fr\/what-are-the-differences-between-balanced-unbalanced-and-loudspeaker-cables\/\">Read More<\/a><\/p>","protected":false},"author":29,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[79,19,8],"tags":[126,113,107,128,129,112,132,131,127,133],"class_list":["post-742","post","type-post","status-publish","format-standard","hentry","category-educational","category-musicians-bands","category-production","tag-balanced-cables","tag-english","tag-german","tag-loudspeaker-cables","tag-passive-loudspeakers","tag-spanish","tag-trs","tag-ts","tag-unbalanced-cables","tag-xlr"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What are the differences between balanced, unbalanced and loudspeaker cables? - Blog | Resources<\/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:\/\/blogs.qsc.com\/live-sound\/fr\/what-are-the-differences-between-balanced-unbalanced-and-loudspeaker-cables\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What are the differences between balanced, unbalanced and loudspeaker cables? - Blog | Resources\" \/>\n<meta property=\"og:description\" content=\"Let\u2019s begin by stating that every cable has the potential to add noise and compromise the overall sound quality of any audio system, so using the right cable for your application is crucial. 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This outer conductor encircles the other conductor(s) &hellip; Read More\" \/>\n<meta property=\"og:url\" content=\"https:\/\/blogs.qsc.com\/live-sound\/fr\/what-are-the-differences-between-balanced-unbalanced-and-loudspeaker-cables\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog | Resources\" \/>\n<meta property=\"article:published_time\" content=\"2020-03-27T04:58:10+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2020-10-29T10:51:38+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/blogs.qsc.com\/app\/uploads\/sites\/3\/2020\/03\/Blog_March_Unbalanced-Cabling_Image_1.png\" \/>\n<meta name=\"author\" content=\"Christophe Anet\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Christophe Anet\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/blogs.qsc.com\/live-sound\/what-are-the-differences-between-balanced-unbalanced-and-loudspeaker-cables\/\",\"url\":\"https:\/\/blogs.qsc.com\/live-sound\/what-are-the-differences-between-balanced-unbalanced-and-loudspeaker-cables\/\",\"name\":\"What are the differences between balanced, unbalanced and loudspeaker cables? - Blog | Resources\",\"isPartOf\":{\"@id\":\"https:\/\/blogs.qsc.com\/live-sound\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/blogs.qsc.com\/live-sound\/what-are-the-differences-between-balanced-unbalanced-and-loudspeaker-cables\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/blogs.qsc.com\/live-sound\/what-are-the-differences-between-balanced-unbalanced-and-loudspeaker-cables\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/blogs.qsc.com\/app\/uploads\/sites\/3\/2020\/03\/Blog_March_Unbalanced-Cabling_Image_1.png\",\"datePublished\":\"2020-03-27T04:58:10+00:00\",\"dateModified\":\"2020-10-29T10:51:38+00:00\",\"author\":{\"@id\":\"https:\/\/blogs.qsc.com\/live-sound\/#\/schema\/person\/a8866d0b07d2d57a44a4940d6e2dc4a0\"},\"breadcrumb\":{\"@id\":\"https:\/\/blogs.qsc.com\/live-sound\/what-are-the-differences-between-balanced-unbalanced-and-loudspeaker-cables\/#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/blogs.qsc.com\/live-sound\/what-are-the-differences-between-balanced-unbalanced-and-loudspeaker-cables\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\/\/blogs.qsc.com\/live-sound\/what-are-the-differences-between-balanced-unbalanced-and-loudspeaker-cables\/#primaryimage\",\"url\":\"https:\/\/blogs.qsc.com\/app\/uploads\/sites\/3\/2020\/03\/Blog_March_Unbalanced-Cabling_Image_1.png\",\"contentUrl\":\"https:\/\/blogs.qsc.com\/app\/uploads\/sites\/3\/2020\/03\/Blog_March_Unbalanced-Cabling_Image_1.png\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/blogs.qsc.com\/live-sound\/what-are-the-differences-between-balanced-unbalanced-and-loudspeaker-cables\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/blogs.qsc.com\/live-sound\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"What are the differences between balanced, unbalanced and loudspeaker cables?\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/blogs.qsc.com\/live-sound\/#website\",\"url\":\"https:\/\/blogs.qsc.com\/live-sound\/\",\"name\":\"Blog | Resources\",\"description\":\"QSC\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/blogs.qsc.com\/live-sound\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"fr-FR\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/blogs.qsc.com\/live-sound\/#\/schema\/person\/a8866d0b07d2d57a44a4940d6e2dc4a0\",\"name\":\"Christophe Anet\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\/\/blogs.qsc.com\/live-sound\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/c8477b4735e81f241edc3cc5da4d26cba5c0f45cabc80bb23e9ab99ff47335da?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/c8477b4735e81f241edc3cc5da4d26cba5c0f45cabc80bb23e9ab99ff47335da?s=96&d=mm&r=g\",\"caption\":\"Christophe Anet\"},\"description\":\"Christophe Anet is an electroacoustics engineer and live sound professional. Over the years, his passion for acoustics led him to design recording studios, lecture about psycho-acoustics and calibrate recording studio control rooms around the world. 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