{"id":166514,"date":"2023-08-03T13:42:07","date_gmt":"2023-08-03T12:42:07","guid":{"rendered":"https:\/\/www.techweekmag.com\/?p=166514"},"modified":"2023-10-18T05:56:43","modified_gmt":"2023-10-18T04:56:43","slug":"nat-audio-has-unveiled-the-magma-evo-single-ended-tube-amplifier","status":"publish","type":"post","link":"https:\/\/www.stereoindex.com\/tech\/hi-fi\/nat-audio-has-unveiled-the-magma-evo-single-ended-tube-amplifier\/","title":{"rendered":"NAT\u00a0Audio has unveiled\u00a0the Magma Evo\u00a0single-ended tube amplifier"},"content":{"rendered":"<p>NAT\u00a0Audio has unveiled\u00a0the Magma Evo\u00a0single-ended tube amplifier\u00a0capable of delivering mind-blowing power for this type of equipment.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.stereoindex.com\/tech\/wp-content\/uploads\/2023\/08\/19_techweek.webp\" alt=\"Image\" \/><\/p>\n<p>The apparatus was built on the well-known direct-heated triode\u00a0GM100\u00a0, the orange-red color of the glow of the anode of which, reminiscent of red-hot volcanic magma, gave the name to the amplifier.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.stereoindex.com\/tech\/wp-content\/uploads\/2023\/08\/20_techweek.webp\" alt=\"Image\" \/><\/p>\n<p>The circuit completely lacks common feedback and interstage capacitors, the user can choose between two levels of output power &#8211; moderate\u00a050 watts\u00a0or increased\u00a0170 watts\u00a0.\u00a0In both cases, the amplifier operates in pure class A. The\u00a01000-watt\u00a0output transformers , manufactured by the company itself, have a bandwidth\u00a0of 8 to 70,000 Hz\u00a0.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.stereoindex.com\/tech\/wp-content\/uploads\/2023\/08\/21_techweek.webp\" alt=\"Image\" \/><\/p>\n<p>6N6P-IR\u00a0double triodes were used as an input lamp and driver , the output lamp is covered with a non-magnetic protective casing of the original form.\u00a0The input sensitivity is\u00a01.25 V\u00a0, the input impedance is\u00a0100 kOhm\u00a0.\u00a0Each monoblock\u00a0NAT Magma Evo\u00a0weighs 50 kilograms.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>NAT\u00a0Audio has unveiled\u00a0the Magma Evo\u00a0single-ended tube amplifier\u00a0capable of delivering mind-blowing power for this type of equipment. The apparatus was built on the well-known direct-heated triode\u00a0GM100\u00a0, the orange-red color of the glow of the anode of which, reminiscent of red-hot volcanic magma, gave the name to the amplifier. The circuit completely lacks common feedback and interstage [&hellip;] <a class=\"g1-link g1-link-more\" href=\"https:\/\/www.stereoindex.com\/tech\/hi-fi\/nat-audio-has-unveiled-the-magma-evo-single-ended-tube-amplifier\/\">More<\/a><\/p>\n","protected":false},"author":10404,"featured_media":166515,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[642],"tags":[779],"class_list":{"0":"post-166514","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-hi-fi","8":"tag-news"},"acf":[],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/www.stereoindex.com\/tech\/wp-json\/wp\/v2\/posts\/166514","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.stereoindex.com\/tech\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.stereoindex.com\/tech\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.stereoindex.com\/tech\/wp-json\/wp\/v2\/users\/10404"}],"replies":[{"embeddable":true,"href":"https:\/\/www.stereoindex.com\/tech\/wp-json\/wp\/v2\/comments?post=166514"}],"version-history":[{"count":0,"href":"https:\/\/www.stereoindex.com\/tech\/wp-json\/wp\/v2\/posts\/166514\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.stereoindex.com\/tech\/wp-json\/wp\/v2\/media\/166515"}],"wp:attachment":[{"href":"https:\/\/www.stereoindex.com\/tech\/wp-json\/wp\/v2\/media?parent=166514"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.stereoindex.com\/tech\/wp-json\/wp\/v2\/categories?post=166514"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.stereoindex.com\/tech\/wp-json\/wp\/v2\/tags?post=166514"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}