{"id":26227,"date":"2024-03-20T13:42:34","date_gmt":"2024-03-20T12:42:34","guid":{"rendered":"https:\/\/pinanson.eu\/?p=26227"},"modified":"2024-03-21T11:13:51","modified_gmt":"2024-03-21T10:13:51","slug":"audio-distributors-with-or-without-transformers","status":"publish","type":"post","link":"https:\/\/pinanson.eu\/en\/audio-distributors-with-or-without-transformers\/","title":{"rendered":"AUDIO DISTRIBUTORS | With or Without transformers?"},"content":{"rendered":"<div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 fusion-flex-container nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:1248px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-0 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-1\" style=\"--awb-text-transform:none;\"><h2 style=\"text-align: center;\">I need an audio distributor&#8230;<\/h2>\n<\/div><div class=\"fusion-text fusion-text-2\" style=\"--awb-text-transform:none;\"><p>You have to buy a microphone signal distributor for an auditorium. You <strong>need the 64 microphone signals<\/strong> on stage to be distributed to:<\/p>\n<ol>\n<li>An FOH console in the auditorium (from where the +48V phantom signal will be fed to those microphones)<\/li>\n<li>A monitor console<\/li>\n<li>A recording console (external to the auditorium)<\/li>\n<\/ol>\n<p>That is, you need those 64 microphones replicated in three different destinations.<\/p>\n<p>For this, there are MIC\/LINE audio distributors for the stage. Which consist of the following parts:<\/p>\n<ul>\n<li>Microphone input on XLR-H<\/li>\n<li>Direct output, in parallel with the input for microphone phantom power<\/li>\n<li>Isolated outputs and\/or non-isolated outputs: distribution of outputs using a transformer or without a transformer in parallel with the input.<\/li>\n<li>Ground Lift, to have the possibility of lifting the ground in case of ground loop problems.<\/li>\n<\/ul>\n<p>When audio distributors are custom made, the variety of examples designed for customers can be very wide.<\/p>\n<p>Below you can see just a few examples:<\/p>\n<\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-1 fusion_builder_column_1_3 1_3 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:33.333333333333%;--awb-margin-top-large:0px;--awb-spacing-right-large:5.76%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:5.76%;--awb-width-medium:33.333333333333%;--awb-order-medium:0;--awb-spacing-right-medium:5.76%;--awb-spacing-left-medium:5.76%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-content-boxes content-boxes columns row fusion-columns-1 fusion-columns-total-1 fusion-content-boxes-1 content-boxes-icon-on-top content-left\" style=\"--awb-backgroundcolor:#f2f2f2;--awb-body-color:GRIS OSCURO;--awb-title-color:GRIS OSCURO;--awb-hover-accent-color:var(--awb-color2);--awb-circle-hover-accent-color:var(--awb-color2);--awb-item-margin-bottom:40px;\" data-animationOffset=\"top-into-view\"><div style=\"--awb-backgroundcolor:#f2f2f2;\" class=\"fusion-column content-box-column content-box-column content-box-column-1 col-lg-12 col-md-12 col-sm-12 fusion-content-box-hover content-box-column-last content-box-column-last-in-row\"><div class=\"col content-box-wrapper content-wrapper-background link-area-link-icon link-type-button content-icon-wrapper-yes icon-hover-animation-fade\" data-animationOffset=\"top-into-view\"><div class=\"heading heading-with-icon icon-left\"><a class=\"heading-link\" href=\"https:\/\/pinanson.eu\/en\/shop\/signal-distribution\/audio-distributors\/analogue-audio-distributors\/splitter-audio-mic-line-box-ar-format\/\" target=\"_self\"><div aria-hidden=\"true\" class=\"image\"><img decoding=\"async\" class=\"lazyload\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27572%27%20height%3D%27901%27%20viewBox%3D%270%200%20572%20901%27%3E%3Crect%20width%3D%27572%27%20height%3D%27901%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-orig-src=\"https:\/\/pinanson.eu\/wp-content\/uploads\/2024\/03\/PTR3382-.jpg\" width=\"572\" height=\"901\" alt=\"SAR splitter de micro\/l\u00ednea \" \/><\/div><h2 class=\"content-box-heading fusion-responsive-typography-calculated\" style=\"--h2_typography-font-size:24px;--fontSize:24;line-height:var(--awb-typography1-line-height);\">SAR REF.:PTRS3382<\/h2><\/a><\/div><div class=\"fusion-clearfix\"><\/div><div class=\"content-container\">\n<p style=\"text-align: center;\">64 CHANNELS<\/p>\n<p style=\"text-align: center;\">OUTPUTS: 1 DIRECT \u2013 1 ISO A \u2013 1 ISO B (1 direct output + 2 isolated outputs)<\/p>\n<\/div><div class=\"fusion-clearfix\"><\/div><a class=\"fusion-read-more-button fusion-content-box-button fusion-button button-default fusion-button-default-size button- button-flat\" href=\"https:\/\/pinanson.eu\/en\/shop\/signal-distribution\/audio-distributors\/analogue-audio-distributors\/splitter-audio-mic-line-box-ar-format\/\" target=\"_self\"><span class=\"fusion-button-text\">M\u00e1s info<\/span><\/a><div class=\"fusion-clearfix\"><\/div><\/div><\/div><div class=\"fusion-clearfix\"><\/div><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-2 fusion_builder_column_1_3 1_3 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:33.333333333333%;--awb-margin-top-large:0px;--awb-spacing-right-large:5.76%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:5.76%;--awb-width-medium:33.333333333333%;--awb-order-medium:0;--awb-spacing-right-medium:5.76%;--awb-spacing-left-medium:5.76%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-content-boxes content-boxes columns row fusion-columns-1 fusion-columns-total-1 fusion-content-boxes-2 content-boxes-icon-on-top content-left\" style=\"--awb-backgroundcolor:#f2f2f2;--awb-body-color:GRIS OSCURO;--awb-title-color:GRIS OSCURO;--awb-hover-accent-color:var(--awb-color2);--awb-circle-hover-accent-color:var(--awb-color2);--awb-item-margin-bottom:40px;\" data-animationOffset=\"top-into-view\"><div style=\"--awb-backgroundcolor:#f2f2f2;\" class=\"fusion-column content-box-column content-box-column content-box-column-1 col-lg-12 col-md-12 col-sm-12 fusion-content-box-hover content-box-column-last content-box-column-last-in-row\"><div class=\"col content-box-wrapper content-wrapper-background link-area-link-icon link-type-button content-icon-wrapper-yes icon-hover-animation-fade\" data-animationOffset=\"top-into-view\"><div class=\"heading heading-with-icon icon-left\"><a class=\"heading-link\" href=\"https:\/\/pinanson.eu\/en\/shop\/signal-distribution\/audio-distributors\/analogue-audio-distributors\/splitter-audio-mic-line-box-ar-format\/\" target=\"_self\"><div aria-hidden=\"true\" class=\"image\"><img decoding=\"async\" class=\"lazyload\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27741%27%20height%3D%27813%27%20viewBox%3D%270%200%20741%20813%27%3E%3Crect%20width%3D%27741%27%20height%3D%27813%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-orig-src=\"https:\/\/pinanson.eu\/wp-content\/uploads\/2024\/03\/PTRS4430.jpg\" width=\"741\" height=\"813\" alt=\"\" \/><\/div><h2 class=\"content-box-heading fusion-responsive-typography-calculated\" style=\"--h2_typography-font-size:24px;--fontSize:24;line-height:var(--awb-typography1-line-height);\">SAR `REF.:PTRS4430<\/h2><\/a><\/div><div class=\"fusion-clearfix\"><\/div><div class=\"content-container\">\n<p style=\"text-align: center;\">64 CHANNELS<\/p>\n<p style=\"text-align: center;\">OUTPUTS: 1 DIRECT \u2013 1 ISO A (1 Direct + 1 isolated)<\/p>\n<\/div><div class=\"fusion-clearfix\"><\/div><a class=\"fusion-read-more-button fusion-content-box-button fusion-button button-default fusion-button-default-size button- button-flat\" href=\"https:\/\/pinanson.eu\/en\/shop\/signal-distribution\/audio-distributors\/analogue-audio-distributors\/splitter-audio-mic-line-box-ar-format\/\" target=\"_self\"><span class=\"fusion-button-text\">M\u00e1s info <\/span><\/a><div class=\"fusion-clearfix\"><\/div><\/div><\/div><div class=\"fusion-clearfix\"><\/div><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-3 fusion_builder_column_1_3 1_3 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:33.333333333333%;--awb-margin-top-large:0px;--awb-spacing-right-large:5.76%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:5.76%;--awb-width-medium:33.333333333333%;--awb-order-medium:0;--awb-spacing-right-medium:5.76%;--awb-spacing-left-medium:5.76%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-content-boxes content-boxes columns row fusion-columns-1 fusion-columns-total-1 fusion-content-boxes-3 content-boxes-icon-on-top content-left\" style=\"--awb-backgroundcolor:#f2f2f2;--awb-body-color:GRIS OSCURO;--awb-title-color:GRIS OSCURO;--awb-hover-accent-color:var(--awb-color2);--awb-circle-hover-accent-color:var(--awb-color2);--awb-item-margin-bottom:40px;\" data-animationOffset=\"top-into-view\"><div style=\"--awb-backgroundcolor:#f2f2f2;\" class=\"fusion-column content-box-column content-box-column content-box-column-1 col-lg-12 col-md-12 col-sm-12 fusion-content-box-hover content-box-column-last content-box-column-last-in-row\"><div class=\"col content-box-wrapper content-wrapper-background link-area-link-icon link-type-button content-icon-wrapper-yes icon-hover-animation-fade\" data-animationOffset=\"top-into-view\"><div class=\"heading heading-with-icon icon-left\"><a class=\"heading-link\" href=\"https:\/\/pinanson.eu\/en\/shop\/signal-distribution\/audio-distributors\/analogue-audio-distributors\/stage-box-audio-box-ar-format\/\" target=\"_self\"><div aria-hidden=\"true\" class=\"image\"><img decoding=\"async\" class=\"lazyload\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27644%27%20height%3D%27363%27%20viewBox%3D%270%200%20644%20363%27%3E%3Crect%20width%3D%27644%27%20height%3D%27363%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-orig-src=\"https:\/\/pinanson.eu\/wp-content\/uploads\/2024\/03\/GAR.png\" width=\"644\" height=\"363\" alt=\"\" \/><\/div><h2 class=\"content-box-heading fusion-responsive-typography-calculated\" style=\"--h2_typography-font-size:24px;--fontSize:24;line-height:var(--awb-typography1-line-height);\">GAR PTR2240<\/h2><\/a><\/div><div class=\"fusion-clearfix\"><\/div><div class=\"content-container\">\n<p style=\"text-align: center;\">48 CHANNELS<\/p>\n<p style=\"text-align: center;\">OUTPUTS: 3 DIRECT (not isolated)<\/p>\n<\/div><div class=\"fusion-clearfix\"><\/div><a class=\"fusion-read-more-button fusion-content-box-button fusion-button button-default fusion-button-default-size button- button-flat\" href=\"https:\/\/pinanson.eu\/en\/shop\/signal-distribution\/audio-distributors\/analogue-audio-distributors\/stage-box-audio-box-ar-format\/\" target=\"_self\"><span class=\"fusion-button-text\">M\u00e1s info <\/span><\/a><div class=\"fusion-clearfix\"><\/div><\/div><\/div><div class=\"fusion-clearfix\"><\/div><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-4 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-3\"><p>When requesting a quote for a signal distribution equipment, clients are normally clear about its characteristics in terms of functionality: the number of channels they handle at their events, how many consoles they are going to take the signals to, if they want patching, remote boxes, the order of the signals, colors to classify them, the format of the equipment (if they want it portable or to be racked&#8230;).<\/p>\n<p>But there is a general doubt when you ask them <strong>if they want to isolate the outputs by transformer or not.<\/strong><\/p>\n<\/div><div class=\"fusion-text fusion-text-4\"><h2 style=\"text-align: center;\">What do I have to know to order equipment with transformers or another that does not have them?<\/h2>\n<\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-5 fusion_builder_column_2_3 2_3 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:66.666666666667%;--awb-margin-top-large:0px;--awb-spacing-right-large:2.88%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:2.88%;--awb-width-medium:66.666666666667%;--awb-order-medium:0;--awb-spacing-right-medium:2.88%;--awb-spacing-left-medium:2.88%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-5\"><h3 style=\"text-align: center;\"><strong>\u00a0(1) That parallel audio distribution is not always possible<\/strong><\/h3>\n<p>That is, connect several devices using Y cables.<\/p>\n<p>This is because it is not possible to make an infinite number of connections in parallel. The maximum number of times the signal can be split will be determined by the output impedance of the audio source (for example, a microphone) and the input impedance of the receiver (for example, a mixing console).<\/p>\n<p>For <strong>maximum voltage transfer and to avoid degradation of the audio signal<\/strong> <strong>(level loss, low frequency loss, increased distortion)<\/strong> the total input impedance of the receivers must be <strong>at least 10 times greater than the output impedance of the source.<\/strong><\/p>\n<p style=\"text-align: center;\"><strong>Zin total &gt; 10\u00b7Zout<\/strong><\/p>\n<\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-6 fusion_builder_column_1_3 1_3 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:33.333333333333%;--awb-margin-top-large:0px;--awb-spacing-right-large:5.76%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:5.76%;--awb-width-medium:33.333333333333%;--awb-order-medium:0;--awb-spacing-right-medium:5.76%;--awb-spacing-left-medium:5.76%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-6\"><h3 style=\"text-align: center;\"><strong>And, with a transformer?<\/strong><\/h3>\n<p>If this signal distribution is carried out using transformers with a ratio of 1: 1 + 1, from one input to two outputs, or 1: 1 + 1 + 1, from one input to 3 outputs, the impedance ratio is maintained, that is, The input impedances of the receiving equipment would not be in parallel with each other.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-7 fusion_builder_column_2_3 2_3 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:66.666666666667%;--awb-margin-top-large:0px;--awb-spacing-right-large:2.88%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:2.88%;--awb-width-medium:66.666666666667%;--awb-order-medium:0;--awb-spacing-right-medium:2.88%;--awb-spacing-left-medium:2.88%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-7\"><h3 style=\"text-align: center;\"><strong>(2) That we must prevent possible problems with some connections from affecting the others.<\/strong><\/h3>\n<p>If one of the receivers (in our example, mixing console) has a short circuit, this will affect the rest of the outputs since they are in parallel with each other.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-8 fusion_builder_column_1_3 1_3 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:33.333333333333%;--awb-margin-top-large:0px;--awb-spacing-right-large:5.76%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:5.76%;--awb-width-medium:33.333333333333%;--awb-order-medium:0;--awb-spacing-right-medium:5.76%;--awb-spacing-left-medium:5.76%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-8\"><h3 style=\"text-align: center;\">And, with a transformer?<\/h3>\n<p>If transformers are used, there is galvanic isolation between some outputs and others, so a short circuit, or other problem in the cable or receiver, will not affect the adjacent outputs.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-9 fusion_builder_column_2_3 2_3 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:66.666666666667%;--awb-margin-top-large:0px;--awb-spacing-right-large:2.88%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:2.88%;--awb-width-medium:66.666666666667%;--awb-order-medium:0;--awb-spacing-right-medium:2.88%;--awb-spacing-left-medium:2.88%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-9\"><h3 style=\"text-align: center;\"><strong>(3) Noise caused by ground loops must be avoided<\/strong><\/h3>\n<p>Ground loops cause noise (hum, buzz in English terms, low and high frequency noise).<\/p>\n<p>When several devices are connected to the distributor outputs, the increased possibility of ground loop noise also increases.<\/p>\n<p>If, in addition, the equipment is from third parties (such as a mobile recording unit), we will not control the status of the equipment that will be connected to ours.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-10 fusion_builder_column_1_3 1_3 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:33.333333333333%;--awb-margin-top-large:0px;--awb-spacing-right-large:5.76%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:5.76%;--awb-width-medium:33.333333333333%;--awb-order-medium:0;--awb-spacing-right-medium:5.76%;--awb-spacing-left-medium:5.76%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-10\"><h3 style=\"text-align: center;\">And, with a transformer?<\/h3>\n<p>Isolating the interactions between the different branches of the circuits greatly simplifies the search for noise problems. With transformers we isolate the signals and the grounds between some channels and others.<\/p>\n<p>Trying to locate the reason for the noise and solve it in large audio systems can be very complicated, it is better to stay healthy and keep some equipment isolated from others.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-11 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-11\"><h2 style=\"text-align: center;\">So in summary, transformers when?<\/h2>\n<p><strong>\u00a0<\/strong><\/p>\n<\/div><div class=\"fusion-text fusion-text-12\"><p style=\"text-align: center;\">As a recommendation to avoid the problems we have talked about, these two rules can be followed:<\/p>\n<\/div><div class=\"fusion-text fusion-text-13\"><h3 style=\"text-align: center;\"><strong>(1) When it cannot be met that the total impedance of the receivers is 10 times greater than the source impedance.<\/strong><\/h3>\n<p style=\"text-align: center;\">For this we should remember that the total impedance of n impedances in parallel is:<\/p>\n<\/div><div class=\"fusion-image-element \" style=\"text-align:center;--awb-caption-title-font-family:var(--h2_typography-font-family);--awb-caption-title-font-weight:var(--h2_typography-font-weight);--awb-caption-title-font-style:var(--h2_typography-font-style);--awb-caption-title-size:var(--h2_typography-font-size);--awb-caption-title-transform:var(--h2_typography-text-transform);--awb-caption-title-line-height:var(--h2_typography-line-height);--awb-caption-title-letter-spacing:var(--h2_typography-letter-spacing);\"><span class=\" fusion-imageframe imageframe-none imageframe-1 hover-type-none\"><a class=\"fusion-no-lightbox\" href=\"https:\/\/www.digikey.es\/es\/resources\/conversion-calculators\/conversion-calculator-parallel-and-series-resistor\" target=\"_self\" aria-label=\"F\u00f3rmula\"><img decoding=\"async\" width=\"539\" height=\"185\" src=\"https:\/\/pinanson.eu\/wp-content\/uploads\/2024\/03\/Formula.png\" data-orig-src=\"https:\/\/pinanson.eu\/wp-content\/uploads\/2024\/03\/Formula.png\" alt class=\"lazyload img-responsive wp-image-26190\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27539%27%20height%3D%27185%27%20viewBox%3D%270%200%20539%20185%27%3E%3Crect%20width%3D%27539%27%20height%3D%27185%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-srcset=\"https:\/\/pinanson.eu\/wp-content\/uploads\/2024\/03\/Formula-200x69.png 200w, https:\/\/pinanson.eu\/wp-content\/uploads\/2024\/03\/Formula-400x137.png 400w, https:\/\/pinanson.eu\/wp-content\/uploads\/2024\/03\/Formula.png 539w\" data-sizes=\"auto\" data-orig-sizes=\"(max-width: 1000px) 100vw, 539px\" \/><\/a><\/span><\/div><div class=\"fusion-text fusion-text-14\"><p style=\"text-align: center;\">Formula to calculate the total impedance of equipment connected in parallel. Click on the formula to access the DigiKey impedance calculator<\/p>\n<\/div><div class=\"fusion-text fusion-text-15\"><h3 style=\"text-align: center;\"><strong>(2) When the condition of equipment that does not belong to us cannot be guaranteed.<\/strong><\/h3>\n<p style=\"text-align: center;\">When the equipment comes from other companies other than ours. And we want to avoid possible noise and signal loss problems.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-12 fusion_builder_column_1_4 1_4 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:25%;--awb-margin-top-large:0px;--awb-spacing-right-large:7.68%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:7.68%;--awb-width-medium:25%;--awb-order-medium:0;--awb-spacing-right-medium:7.68%;--awb-spacing-left-medium:7.68%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-13 fusion_builder_column_1_2 1_2 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:50%;--awb-margin-top-large:0px;--awb-spacing-right-large:3.84%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:3.84%;--awb-width-medium:50%;--awb-order-medium:0;--awb-spacing-right-medium:3.84%;--awb-spacing-left-medium:3.84%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div ><a class=\"fusion-button button-flat fusion-button-default-size button-default fusion-button-default button-1 fusion-button-span-yes fusion-button-default-type\" target=\"_self\" href=\"https:\/\/pinanson.eu\/en\/cat\/signal-distribution\/audio-distributors\/analogue-audio-distributors\/\"><span class=\"fusion-button-text awb-button__text awb-button__text--default\">See audio distributors<\/span><\/a><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-14 fusion_builder_column_1_4 1_4 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:25%;--awb-margin-top-large:0px;--awb-spacing-right-large:7.68%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:7.68%;--awb-width-medium:25%;--awb-order-medium:0;--awb-spacing-right-medium:7.68%;--awb-spacing-left-medium:7.68%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-15 fusion_builder_column_1_3 1_3 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:33.333333333333%;--awb-margin-top-large:0px;--awb-spacing-right-large:5.76%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:5.76%;--awb-width-medium:33.333333333333%;--awb-order-medium:0;--awb-spacing-right-medium:5.76%;--awb-spacing-left-medium:5.76%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-16 fusion_builder_column_1_3 1_3 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:33.333333333333%;--awb-margin-top-large:0px;--awb-spacing-right-large:5.76%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:5.76%;--awb-width-medium:33.333333333333%;--awb-order-medium:0;--awb-spacing-right-medium:5.76%;--awb-spacing-left-medium:5.76%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-image-element \" style=\"--awb-caption-title-font-family:var(--h2_typography-font-family);--awb-caption-title-font-weight:var(--h2_typography-font-weight);--awb-caption-title-font-style:var(--h2_typography-font-style);--awb-caption-title-size:var(--h2_typography-font-size);--awb-caption-title-transform:var(--h2_typography-text-transform);--awb-caption-title-line-height:var(--h2_typography-line-height);--awb-caption-title-letter-spacing:var(--h2_typography-letter-spacing);\"><span class=\" fusion-imageframe imageframe-none imageframe-2 hover-type-none\"><img decoding=\"async\" width=\"2084\" height=\"1043\" title=\"LOGO_HORIZONTAL_TAGLINE_OP1\" src=\"https:\/\/pinanson.eu\/wp-content\/uploads\/2022\/05\/LOGO_HORIZONTAL_TAGLINE_OP1.jpg\" data-orig-src=\"https:\/\/pinanson.eu\/wp-content\/uploads\/2022\/05\/LOGO_HORIZONTAL_TAGLINE_OP1.jpg\" alt class=\"lazyload img-responsive wp-image-22673\" 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