{"id":615,"date":"2023-11-24T12:10:59","date_gmt":"2023-11-24T12:10:59","guid":{"rendered":"https:\/\/www.basisaudio.com\/?page_id=615"},"modified":"2023-12-19T21:01:46","modified_gmt":"2023-12-19T21:01:46","slug":"revolution-and-microthin-belts","status":"publish","type":"page","link":"https:\/\/www.basisaudio.com\/accesories\/revolution-and-microthin-belts\/","title":{"rendered":"Revolution and Microthin Belts"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"615\" class=\"elementor elementor-615\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-55a910e e-flex e-con-boxed e-con e-parent\" data-id=\"55a910e\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-0828813 e-con-full e-flex e-con e-child\" data-id=\"0828813\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-10a977c elementor-widget elementor-widget-heading\" data-id=\"10a977c\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.21.0 - 18-04-2024 *\/\n.elementor-heading-title{padding:0;margin:0;line-height:1}.elementor-widget-heading .elementor-heading-title[class*=elementor-size-]>a{color:inherit;font-size:inherit;line-height:inherit}.elementor-widget-heading .elementor-heading-title.elementor-size-small{font-size:15px}.elementor-widget-heading .elementor-heading-title.elementor-size-medium{font-size:19px}.elementor-widget-heading .elementor-heading-title.elementor-size-large{font-size:29px}.elementor-widget-heading .elementor-heading-title.elementor-size-xl{font-size:39px}.elementor-widget-heading .elementor-heading-title.elementor-size-xxl{font-size:59px}<\/style><h2 class=\"elementor-heading-title elementor-size-default\">Revolution and Microthin Belts<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0ac3802 elementor-widget elementor-widget-text-editor\" data-id=\"0ac3802\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.21.0 - 18-04-2024 *\/\n.elementor-widget-text-editor.elementor-drop-cap-view-stacked .elementor-drop-cap{background-color:#69727d;color:#fff}.elementor-widget-text-editor.elementor-drop-cap-view-framed .elementor-drop-cap{color:#69727d;border:3px solid;background-color:transparent}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap{margin-top:8px}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap-letter{width:1em;height:1em}.elementor-widget-text-editor .elementor-drop-cap{float:left;text-align:center;line-height:1;font-size:50px}.elementor-widget-text-editor .elementor-drop-cap-letter{display:inline-block}<\/style>\t\t\t\t<p>Unprecedented Belt Precision<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1d29908 e-con-full e-flex e-con e-child\" data-id=\"1d29908\" data-element_type=\"container\">\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-5f67567 e-flex e-con-boxed e-con e-parent\" data-id=\"5f67567\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-70875ef e-flex e-con-boxed e-con e-child\" data-id=\"70875ef\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-56fe0fa elementor-widget elementor-widget-eael-adv-tabs\" data-id=\"56fe0fa\" data-element_type=\"widget\" data-widget_type=\"eael-adv-tabs.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t        <div data-scroll-on-click=\"no\" data-scroll-speed=\"300\" id=\"eael-advance-tabs-56fe0fa\" class=\"eael-advance-tabs eael-tabs-horizontal eael-tab-auto-active  active-caret-on\" data-tabid=\"56fe0fa\">\n            <div class=\"eael-tabs-nav\">\n                <ul class=\"\" role=\"tablist\">\n                                            <li id=\"description\" class=\"active-default eael-tab-item-trigger\" aria-selected=\"true\" data-tab=\"1\" role=\"tab\" tabindex=\"0\" aria-controls=\"description-tab\" aria-expanded=\"false\">\n                            \n                            \n                            \n                                                            <span class=\"eael-tab-title  title-after-icon\">Description<\/span>                                                    <\/li>\n                                            <li id=\"gallery\" class=\"inactive eael-tab-item-trigger\" aria-selected=\"false\" data-tab=\"2\" role=\"tab\" tabindex=\"-1\" aria-controls=\"gallery-tab\" aria-expanded=\"false\">\n                            \n                            \n                            \n                                                            <span class=\"eael-tab-title  title-after-icon\">Gallery<\/span>                                                    <\/li>\n                                            <li id=\"documents-for-download\" class=\"inactive eael-tab-item-trigger\" aria-selected=\"false\" data-tab=\"3\" role=\"tab\" tabindex=\"-1\" aria-controls=\"documents-for-download-tab\" aria-expanded=\"false\">\n                            \n                            \n                            \n                                                            <span class=\"eael-tab-title  title-after-icon\">Documents for Download<\/span>                                                    <\/li>\n                                    <\/ul>\n            <\/div>\n            \n            <div class=\"eael-tabs-content\">\n\t\t        \n                    <div id=\"description-tab\" class=\"clearfix eael-tab-content-item active-default\" data-title-link=\"description-tab\">\n\t\t\t\t                                    \t\t<div data-elementor-type=\"page\" data-elementor-id=\"620\" class=\"elementor elementor-620\" data-elementor-post-type=\"elementor_library\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ed09311 e-flex e-con-boxed e-con e-parent\" data-id=\"ed09311\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-081f3b7 e-con-full e-flex e-con e-child\" data-id=\"081f3b7\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e5d0917 elementor-widget elementor-widget-image\" data-id=\"e5d0917\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.21.0 - 18-04-2024 *\/\n.elementor-widget-image{text-align:center}.elementor-widget-image a{display:inline-block}.elementor-widget-image a img[src$=\".svg\"]{width:48px}.elementor-widget-image img{vertical-align:middle;display:inline-block}<\/style>\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/www.basisaudio.com\/wp-content\/uploads\/2023\/11\/description-revolution-belt-image-01.png\" class=\"attachment-large size-large wp-image-747\" alt=\"\" srcset=\"https:\/\/www.basisaudio.com\/wp-content\/uploads\/2023\/11\/description-revolution-belt-image-01.png 1024w, https:\/\/www.basisaudio.com\/wp-content\/uploads\/2023\/11\/description-revolution-belt-image-01-300x300.png 300w, https:\/\/www.basisaudio.com\/wp-content\/uploads\/2023\/11\/description-revolution-belt-image-01-150x150.png 150w, https:\/\/www.basisaudio.com\/wp-content\/uploads\/2023\/11\/description-revolution-belt-image-01-768x768.png 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-7289ef2 e-con-full e-flex e-con e-child\" data-id=\"7289ef2\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-62ef7e1 elementor-widget elementor-widget-heading\" data-id=\"62ef7e1\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Belt Thickness Affects Speed<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ce3ab97 elementor-widget elementor-widget-text-editor\" data-id=\"ce3ab97\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Careful analysis of flexible drive belts will show that the effective radius of a pulley is the measurement from the center of the pulley to the neutral axis of the flexible belt (plane in the belt where stress is zero as it is curved around the pulley), which is near, but not exactly at, the center of the belt. Simply stated, the thickness of the belt factors into the calculation of the drive ratio of the pulley and platter. The ramifications of this are numerous: 1. Different thickness belts will cause the driven pulley (platter) to run at different speeds. 2. Changes in thickness along the length of a belt will modulate the speed of the platter. 3. Round cross-section belts will attempt to roll in order to achieve the lowest potential energy state, in addition to their scuffing action and increased propensity to hunt. 4. Any splice in a belt changes the effective radius as well as stiffness, causing spikes in the critical measured parameters of wow, flutter, and drift. As a result of the above facts, perfecting the belt drive turntable must first include perfecting the drive belt itself.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-af62432 e-flex e-con-boxed e-con e-parent\" data-id=\"af62432\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-3922c9b e-con-full e-flex e-con e-child\" data-id=\"3922c9b\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-946deff elementor-widget elementor-widget-heading\" data-id=\"946deff\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">The Belt Modeled As A Mass-Spring-Damper System<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b1c0243 elementor-widget elementor-widget-text-editor\" data-id=\"b1c0243\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Belt driven turntables\u2019 chief advantage over direct drive, idler wheel drive, and other drive systems is isolation from motor noise. The belt can be modeled as a classic mass-spring-damper system. Extensible, highly damped materials offer the greatest isolation from motor cogging and noise as these materials bring spring and damping properties to the drive system. As in any vibration isolation system, compliance and damping must be present for effective isolation. PERFECT UNIFORMITY OF THICKNESS The ultimate speed stability cannot be achieved without near perfection in the uniformity of thickness along the length of a drive belt. Limitations in casting techniques of rubber belts places a severe compromise in the speed stability in turntables using belts in the as-cast condition. To achieve more critical tolerances and greater precision a grinding process must be employed. Pertinent facts on grinding of rubber include the following: 1. The more desirable lower durometer materials are more difficult to grind. 2. As a compressible material exhibiting hysteresis effects, highly damped rubber compounds are more difficult to grind. 3. It is worth noting that round cross-section belts cannot be effectively ground. UNPRECEDENTED BELT PRECISION As research continued to confirm that a precision, flat, highly damped rubber belt is the optimal drive for a beltdrive turntable Basis Audio continued the search, over the past 5 years, for a company that could precision grind a rubber drive belt to 1\/10,000 inch precision (.0001 inches\/2.54 microns). Hundreds of requests for quotation were sent out, hundreds of follow-up telephone calls made, with each company expressing that we were asking for the impossible. In March, 2006 the decision was made to design in-house grinding equipment and develop belt grinding expertise. At various point in 2006 we experienced limited success, with usable belts first becoming a reality in November at a production yield of less than 25%. These belts were of standard thickness. As of February, 2007, normal thickness precision-ground belts (the Basis Revolution Belt) are shipping with all Basis turntables. The grinding operation is running at a 50% yield. We have achieved the desired 1\/10,000\u201d (2.54 micron) tolerance on a production basis.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-b6a7b0e e-con-full e-flex e-con e-child\" data-id=\"b6a7b0e\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5514309 elementor-widget elementor-widget-image\" data-id=\"5514309\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/www.basisaudio.com\/wp-content\/uploads\/2023\/11\/description-revolution-belt-image-03.png\" class=\"attachment-large size-large wp-image-749\" alt=\"\" srcset=\"https:\/\/www.basisaudio.com\/wp-content\/uploads\/2023\/11\/description-revolution-belt-image-03.png 1024w, https:\/\/www.basisaudio.com\/wp-content\/uploads\/2023\/11\/description-revolution-belt-image-03-300x300.png 300w, https:\/\/www.basisaudio.com\/wp-content\/uploads\/2023\/11\/description-revolution-belt-image-03-150x150.png 150w, https:\/\/www.basisaudio.com\/wp-content\/uploads\/2023\/11\/description-revolution-belt-image-03-768x768.png 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-728ae1d e-flex e-con-boxed e-con e-parent\" data-id=\"728ae1d\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-21d6176 e-con-full e-flex e-con e-child\" data-id=\"21d6176\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3768e0c elementor-widget elementor-widget-image\" data-id=\"3768e0c\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/www.basisaudio.com\/wp-content\/uploads\/2023\/11\/description-revolution-belt-image-02.png\" class=\"attachment-large size-large wp-image-748\" alt=\"\" srcset=\"https:\/\/www.basisaudio.com\/wp-content\/uploads\/2023\/11\/description-revolution-belt-image-02.png 1024w, https:\/\/www.basisaudio.com\/wp-content\/uploads\/2023\/11\/description-revolution-belt-image-02-300x300.png 300w, https:\/\/www.basisaudio.com\/wp-content\/uploads\/2023\/11\/description-revolution-belt-image-02-150x150.png 150w, https:\/\/www.basisaudio.com\/wp-content\/uploads\/2023\/11\/description-revolution-belt-image-02-768x768.png 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-5c23fc9 e-con-full e-flex e-con e-child\" data-id=\"5c23fc9\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-75a9523 elementor-widget elementor-widget-heading\" data-id=\"75a9523\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Speed Stability Gains As A Result of Revolution Belts<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f15e77b elementor-widget elementor-widget-text-editor\" data-id=\"f15e77b\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>The Revolution Belt has resulted in the speed stability measurements becoming \u201cburied\u201d in the error of our best test records. Cyclical error in readings can be traced back to the test records by rotating the records \u00bd turn on the platter and noting that the peaks in cyclical error continue to coincide with the marked points on the test record and not the turntable platter, proving that the test records include substantially more speed drift than the actual record player. Until we devise more accurate tests we use this full reading, despite the inability of \u201cpulling\u201d the turntable error from the larger error of the test records, as working specifications. The current speed stability error is less than 35% of the error (65% reduction in cyclical speed drift) of the same Basis model with a non-Revolution belt, and of any other belt drive turntable ever measured at Basis.<\/p><p>\u00a0<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-ba0c4c4 e-flex e-con-boxed e-con e-parent\" data-id=\"ba0c4c4\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a7072bb elementor-widget elementor-widget-heading\" data-id=\"a7072bb\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Greater Gains From Revolution Belt Than Other Extreme Measures<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7836c15 elementor-widget elementor-widget-text-editor\" data-id=\"7836c15\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Illustrative of the importance of a drive belt is an experiment performed at Basis Audio with two different turntables:<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1dbcb9d eael-dt-th-align-center eael-table-align-center elementor-widget elementor-widget-eael-data-table\" data-id=\"1dbcb9d\" data-element_type=\"widget\" data-widget_type=\"eael-data-table.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"eael-data-table-wrap\" data-table_id=\"1dbcb9d\" id=\"eael-data-table-wrapper-1dbcb9d\" data-custom_responsive=\"false\">\n\t\t\t<table class=\"tablesorter eael-data-table center\" id=\"eael-data-table-1dbcb9d\">\n\t\t\t    <thead>\n\t\t\t        <tr class=\"table-header\">\n\t\t\t\t\t\t\t\t\t            <th class=\"\" id=\"\" colspan=\"\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"data-table-header-text\"><\/span><\/th>\n\t\t\t        \t\t\t\t            <th class=\"\" id=\"\" colspan=\"\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"data-table-header-text\">Turntable A<\/span><\/th>\n\t\t\t        \t\t\t\t            <th class=\"\" id=\"\" colspan=\"\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"data-table-header-text\">Turntable B<\/span><\/th>\n\t\t\t        \t\t\t\t        <\/tr>\n\t\t\t    <\/thead>\n\t\t\t  \t<tbody>\n\t\t\t\t\t\t\t\t\t\t\t<tr>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t   \t\t\t\t\t\t\t\t\t\t\t<td colspan=\"\" rowspan=\"\" class=\"\" id=\"\">\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"td-content-wrapper\"><div class=\"td-content\">Platter Weight (lbs)<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t   \t\t\t\t\t\t\t\t\t\t\t<td colspan=\"\" rowspan=\"\" class=\"\" id=\"\">\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"td-content-wrapper\"><div class=\"td-content\">18<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t   \t\t\t\t\t\t\t\t\t\t\t<td colspan=\"\" rowspan=\"\" class=\"\" id=\"\">\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"td-content-wrapper\"><div class=\"td-content\">4<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t        \t\t\t\t\t\t<tr>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t   \t\t\t\t\t\t\t\t\t\t\t<td colspan=\"\" rowspan=\"\" class=\"\" id=\"\">\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"td-content-wrapper\"><div class=\"td-content\">Platter Run-Out (in)<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t   \t\t\t\t\t\t\t\t\t\t\t<td colspan=\"\" rowspan=\"\" class=\"\" id=\"\">\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"td-content-wrapper\"><div class=\"td-content\">\u00b1 0.0005<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t   \t\t\t\t\t\t\t\t\t\t\t<td colspan=\"\" rowspan=\"\" class=\"\" id=\"\">\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"td-content-wrapper\"><div class=\"td-content\">\u00b1 0.0015<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t        \t\t\t\t\t\t<tr>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t   \t\t\t\t\t\t\t\t\t\t\t<td colspan=\"\" rowspan=\"\" class=\"\" id=\"\">\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"td-content-wrapper\"><div class=\"td-content\">Belt Thickness Precision (in)<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t   \t\t\t\t\t\t\t\t\t\t\t<td colspan=\"\" rowspan=\"\" class=\"\" id=\"\">\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"td-content-wrapper\"><div class=\"td-content\">\u00b1 0.0003<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t   \t\t\t\t\t\t\t\t\t\t\t<td colspan=\"\" rowspan=\"\" class=\"\" id=\"\">\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"td-content-wrapper\"><div class=\"td-content\">\u00b1 0.0001<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t        \t\t\t    <\/tbody>\n\t\t\t<\/table>\n\t\t<\/div>\n\t  \t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4ffcada elementor-widget elementor-widget-text-editor\" data-id=\"4ffcada\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Turntable &#8220;A&#8221; has a 4.5x platter inertia advantage and a 3x platter roundness\/centering advantage. The belts were of the standard Basis thickness of 0.015&#8243;. The results of the test show turntable &#8220;B&#8221; to have a 2 to 1 advantage in speed stability over the otherwise superior turntable &#8220;A&#8221;. The improvement in the drive belt far outweighed the 4.5x advantage of platter inertia and 3x advantage of roundness accuracy of turntable &#8220;A&#8221;. The Revolution Belt redefines the limits for record player drive belt precision and the consequential speed stability of the belt driven turntable.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-7468b8b e-flex e-con-boxed e-con e-parent\" data-id=\"7468b8b\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-de4bd71 e-con-full e-flex e-con e-child\" data-id=\"de4bd71\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-45d86e8 elementor-widget elementor-widget-heading\" data-id=\"45d86e8\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Beyond The Revolution Belt<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f3043b0 elementor-widget elementor-widget-text-editor\" data-id=\"f3043b0\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p class=\"\">Basis has always used the thinnest drive belt available in an effort to most isolate motor and listening room noise from the platter. The thinnest belt available from any commercial source we could locate was .015\u201d. At the first signs of limited success for in-house grinding of standard thickness belts we realized that with a properly controlled process we could grind a belt to any thickness we desired. We ground extremely thin belts (less than the thickness of 2 thin sheets of paper) in hopes of finding a large reduction in noise and feedback reaching the platter and pickup system. The first limited success in grinding the Microthin belts was in November, 2006. After positive results in listening sessions in February 2006, Basis commenced production of Revolution Microthin Belts, which are now shipping with the Basis Synchro-Wave Power Supply. Much of the time between February 19 through 23 at Basis Audio was spent on efforts to quantify the changes in signal and noise brought by the Microthin belt. Offshoots of these tests have yielded quantitative information on various details of record playback including:<\/p><p class=\"\">1. A determination of the actual coefficient of friction between the stylus and record groove.<\/p><p class=\"\">2. Information on the difference in stylus drag on virgin vinyl, silent grooves, moderately modulated grooves, and highly modulated grooves.<\/p><p class=\"\">3. The motor noise transmitted by a rubber turntable belt.<\/p><p class=\"\">4. Feedback from the listening room transmitted by turntable belts.<\/p><p class=\"\">5. The affects of highly dynamic music on turntable speed stability.<\/p><p class=\"\">6. Speed stability ramifications of using an extremely thin, low tension belt.<\/p><p class=\"\">For us at Basis Audio the most immediately important finding was that the Microthin belt has no measurable effect, either positive or negative, on speed stability, even when playing highly modulated grooves. It was important to know that we do not have to tradeoff speed stability in order to gain the silence and clarity advantage of the Microthin Belt.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-c0526e1 e-con-full e-flex e-con e-child\" data-id=\"c0526e1\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a9da23d elementor-widget elementor-widget-image\" data-id=\"a9da23d\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"623\" height=\"604\" src=\"https:\/\/www.basisaudio.com\/wp-content\/uploads\/2023\/10\/Turntable2064_R1.png\" class=\"attachment-large size-large wp-image-22\" alt=\"\" srcset=\"https:\/\/www.basisaudio.com\/wp-content\/uploads\/2023\/10\/Turntable2064_R1.png 623w, https:\/\/www.basisaudio.com\/wp-content\/uploads\/2023\/10\/Turntable2064_R1-300x291.png 300w\" sizes=\"(max-width: 623px) 100vw, 623px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-fca3554 e-flex e-con-boxed e-con e-parent\" data-id=\"fca3554\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4aa7dc1 elementor-widget elementor-widget-heading\" data-id=\"4aa7dc1\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Products<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9209a4b elementor-widget elementor-widget-text-editor\" data-id=\"9209a4b\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Revolution Belt<br \/>Revolution Microthin Belt for Synchro-Wave<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-6398e1e e-flex e-con-boxed e-con e-parent\" data-id=\"6398e1e\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-876d17f e-flex e-con-boxed e-con e-child\" data-id=\"876d17f\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-dd05d68 e-con-full e-flex e-con e-child\" data-id=\"dd05d68\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-562e0c1 elementor-hidden-mobile elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"562e0c1\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.21.0 - 18-04-2024 *\/\n.elementor-widget-divider{--divider-border-style:none;--divider-border-width:1px;--divider-color:#0c0d0e;--divider-icon-size:20px;--divider-element-spacing:10px;--divider-pattern-height:24px;--divider-pattern-size:20px;--divider-pattern-url:none;--divider-pattern-repeat:repeat-x}.elementor-widget-divider .elementor-divider{display:flex}.elementor-widget-divider .elementor-divider__text{font-size:15px;line-height:1;max-width:95%}.elementor-widget-divider .elementor-divider__element{margin:0 var(--divider-element-spacing);flex-shrink:0}.elementor-widget-divider .elementor-icon{font-size:var(--divider-icon-size)}.elementor-widget-divider .elementor-divider-separator{display:flex;margin:0;direction:ltr}.elementor-widget-divider--view-line_icon .elementor-divider-separator,.elementor-widget-divider--view-line_text 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100%;mask-size:var(--divider-pattern-size) 100%;-webkit-mask-repeat:var(--divider-pattern-repeat);mask-repeat:var(--divider-pattern-repeat);background-color:var(--divider-color);-webkit-mask-image:var(--divider-pattern-url);mask-image:var(--divider-pattern-url)}.elementor-widget-divider--no-spacing{--divider-pattern-size:auto}.elementor-widget-divider--bg-round{--divider-pattern-repeat:round}.rtl .elementor-widget-divider .elementor-divider__text{direction:rtl}.e-con-inner>.elementor-widget-divider,.e-con>.elementor-widget-divider{width:var(--container-widget-width,100%);--flex-grow:var(--container-widget-flex-grow)}<\/style>\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-e7d9a0d e-con-full e-flex e-con e-child\" data-id=\"e7d9a0d\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-05f6df6 elementor-align-center elementor-widget elementor-widget-button\" data-id=\"05f6df6\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"#elementor-action%3Aaction%3Dpopup%3Aopen%26settings%3DeyJpZCI6IjE0NjgiLCJ0b2dnbGUiOmZhbHNlfQ%3D%3D\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">REQUEST MORE INFORMATION<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-f6dc682 e-con-full e-flex e-con e-child\" data-id=\"f6dc682\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d17eb44 elementor-hidden-mobile elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"d17eb44\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t                            <\/div>\n\t\t        \n                    <div id=\"gallery-tab\" class=\"clearfix eael-tab-content-item inactive\" data-title-link=\"gallery-tab\">\n\t\t\t\t                                    \t\t<div data-elementor-type=\"page\" data-elementor-id=\"628\" class=\"elementor elementor-628\" data-elementor-post-type=\"elementor_library\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a89e2ec e-flex e-con-boxed e-con e-parent\" data-id=\"a89e2ec\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5d1d8c9 elementor-widget elementor-widget-gallery\" data-id=\"5d1d8c9\" data-element_type=\"widget\" data-settings=\"{&quot;columns&quot;:2,&quot;lazyload&quot;:&quot;yes&quot;,&quot;gallery_layout&quot;:&quot;grid&quot;,&quot;columns_tablet&quot;:2,&quot;columns_mobile&quot;:1,&quot;gap&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:10,&quot;sizes&quot;:[]},&quot;gap_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:10,&quot;sizes&quot;:[]},&quot;gap_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:10,&quot;sizes&quot;:[]},&quot;link_to&quot;:&quot;file&quot;,&quot;aspect_ratio&quot;:&quot;3:2&quot;,&quot;content_hover_animation&quot;:&quot;fade-in&quot;}\" data-widget_type=\"gallery.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor-pro - v3.21.0 - 15-04-2024 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data-elementor-post-type=\"elementor_library\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6b38ba9 e-flex e-con-boxed e-con e-parent\" data-id=\"6b38ba9\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-8da94fc e-con-full e-flex e-con e-child\" data-id=\"8da94fc\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-9cfe344 e-flex e-con-boxed e-con e-child\" data-id=\"9cfe344\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-ab94b1b e-flex e-con-boxed e-con e-child\" data-id=\"ab94b1b\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element 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Manual<\/a><\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ef30dc8 elementor-view-default elementor-widget elementor-widget-icon\" data-id=\"ef30dc8\" data-element_type=\"widget\" data-widget_type=\"icon.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-icon-wrapper\">\n\t\t\t<a class=\"elementor-icon\" href=\"https:\/\/www.basisaudio.com\/wp-content\/uploads\/2024\/01\/Basis-Belts-Instructions.pdf\" target=\"_blank\">\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"25\" height=\"38\" viewBox=\"0 0 25 38\" fill=\"none\"><g id=\"icon download\"><path id=\"Path\" d=\"M22.6387 19.5581L12.4502 29.7466L2.26172 19.5581\" stroke=\"#545454\" stroke-width=\"3\"><\/path><path id=\"Path 5\" d=\"M12.4502 0.482666V29.8608\" stroke=\"#545454\" stroke-width=\"3\"><\/path><path id=\"Path 5_2\" d=\"M24.4502 36.2954H0.450195\" stroke=\"#545454\" stroke-width=\"3\"><\/path><\/g><\/svg>\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t                            <\/div>\n\t\t                    <\/div>\n        <\/div>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Revolution and Microthin Belts Unprecedented Belt Precision Description Gallery Documents for Download Belt Thickness Affects Speed Careful analysis of flexible drive belts will show that the effective radius of a pulley is the measurement from the center of the pulley to the neutral axis of the flexible belt (plane in the belt where stress is 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