{"id":361488,"date":"2017-02-08T03:00:00","date_gmt":"2017-02-08T00:00:00","guid":{"rendered":"http:\/\/www.fyysika.ee\/?guid=4e13daa08be3650de523cee30508bcb9"},"modified":"2017-02-08T03:00:00","modified_gmt":"2017-02-08T00:00:00","slug":"the-warm-rich-sound-of-valve-guitar-amplifiers","status":"publish","type":"post","link":"https:\/\/www.fyysika.ee\/?p=361488","title":{"rendered":"The warm, rich sound of valve guitar amplifiers"},"content":{"rendered":"<p>Practical solid state diodes and transistors have made glass valve technology nearly obsolete.<br \/>\nNevertheless, valves survive largely because electric guitar players much prefer the sound of valve<br \/>\namplifiers to the sound of transistor amplifiers. This paper discusses the introductory-level<br \/>\nphysics behind that preference. Overdriving an amplifier adds harmonics to an input sound. While a<br \/>\nmoderately overdriven valve amplifier produces strong even harmonics that enhance a sound, an<br \/>\noverdriven transistor amplifier creates strong odd harmonics that can cause dissonance. The<br \/>\nfunctioning of a triode valve explains its creation of even and odd harmonics. Music production<br \/>\nsoftware enables the examination of both the wave shape and the harmonic content of amplified<br \/>\nsounds.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Practical solid state diodes and transistors have made glass valve technology nearly obsolete.<br \/>\nNevertheless, valves survive largely because electric guitar players much prefer the sound of valve<br \/>\namplifiers to the sound of transistor amplifiers. This &#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[178],"tags":[],"class_list":{"0":"post-361488","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-rss-fuusikaharidus","7":"entry"},"_links":{"self":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts\/361488","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=361488"}],"version-history":[{"count":0,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts\/361488\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=361488"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=361488"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=361488"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}