{"id":3193,"date":"2015-12-19T15:20:13","date_gmt":"2015-12-19T13:20:13","guid":{"rendered":"http:\/\/www.tonmeister.ca\/wordpress\/?p=3193"},"modified":"2015-12-19T15:20:13","modified_gmt":"2015-12-19T13:20:13","slug":"loudspeaker-driver-excursion-vs-voltage","status":"publish","type":"post","link":"https:\/\/www.tonmeister.ca\/wordpress\/2015\/12\/19\/loudspeaker-driver-excursion-vs-voltage\/","title":{"rendered":"Loudspeaker driver excursion vs. voltage"},"content":{"rendered":"<p>This shows the relationship between the voltage applied to the terminals of a loudspeaker drivers (shown on the oscilloscope) and the excursion of the driver.<\/p>\n<p>The frequency of the sine wave driving the system ranges from 1 Hz to 6 Hz, so we stay below the resonance frequency of the driver.<\/p>\n<p>The jump\u00a0in level as the frequency is increased is caused by the low frequency roll-off of the DAC that I&#8217;m using to send the signal to the amplifier. Its manufacturer wasn&#8217;t expecting anyone to use it at 1 Hz&#8230;<\/p>\n<p>&nbsp;<\/p>\n<p><iframe loading=\"lazy\" title=\"Loudspeaker: Input vs Output\" width=\"750\" height=\"422\" src=\"https:\/\/www.youtube.com\/embed\/9jddnT3Gmm8?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>This shows the relationship between the voltage applied to the terminals of a loudspeaker drivers (shown on the oscilloscope) and the excursion of the driver. The frequency of the sine wave driving the system ranges from 1 Hz to 6 Hz, so we stay below the resonance frequency of the driver. The jump\u00a0in level as [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[33,4,5],"tags":[],"class_list":["post-3193","post","type-post","status-publish","format-standard","hentry","category-acoustics","category-audio","category-loudspeakers"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p48hIM-Pv","_links":{"self":[{"href":"https:\/\/www.tonmeister.ca\/wordpress\/wp-json\/wp\/v2\/posts\/3193","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.tonmeister.ca\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.tonmeister.ca\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.tonmeister.ca\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.tonmeister.ca\/wordpress\/wp-json\/wp\/v2\/comments?post=3193"}],"version-history":[{"count":1,"href":"https:\/\/www.tonmeister.ca\/wordpress\/wp-json\/wp\/v2\/posts\/3193\/revisions"}],"predecessor-version":[{"id":3194,"href":"https:\/\/www.tonmeister.ca\/wordpress\/wp-json\/wp\/v2\/posts\/3193\/revisions\/3194"}],"wp:attachment":[{"href":"https:\/\/www.tonmeister.ca\/wordpress\/wp-json\/wp\/v2\/media?parent=3193"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.tonmeister.ca\/wordpress\/wp-json\/wp\/v2\/categories?post=3193"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.tonmeister.ca\/wordpress\/wp-json\/wp\/v2\/tags?post=3193"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}