{"id":128867,"date":"2021-04-19T12:19:54","date_gmt":"2021-04-19T11:19:54","guid":{"rendered":"https:\/\/www.techweekmag.com\/?p=128867"},"modified":"2024-04-08T16:49:57","modified_gmt":"2024-04-08T16:49:57","slug":"tron-nemesis-riaa-phono-stage-60-kg-of-pure-tube-circuitry","status":"publish","type":"post","link":"https:\/\/www.stereoindex.com\/tech\/hi-fi\/tron-nemesis-riaa-phono-stage-60-kg-of-pure-tube-circuitry\/","title":{"rendered":"Tron Nemesis RIAA Phono stage: 60 kg of pure tube circuitry"},"content":{"rendered":"<p>The British firm Tron Electric has\u00a0<a href=\"https:\/\/tron-electric.co.uk\/nemesis\/nemesis-riaa-phono-stage\/\" target=\"_blank\" rel=\"noopener\">created the<\/a>\u00a0Nemesis RIAA audiophile low-noise tube phono stage.\u00a0Renowned for his meticulousness, brand leader Graham Tricker has tried to combine the orthodox tube ideology with ease of use and high sound quality.<\/p>\n<p>The scheme uses a minimum of parts located taking into account the shortest signal path.\u00a0These are four D3a pentodes in the amplifier circuit and four 7Y4 kenotrons in a separate power module.\u00a0The power supply was approached seriously: we used eight network transformers, one of which serves two signal LEDs.\u00a0But the phono stage itself receives pure tube voltage with a smooth start.<\/p>\n<p><a href=\"https:\/\/www.stereoindex.com\/tech\/wp-content\/uploads\/2021\/04\/Pasted-23.jpg\"><\/a><\/p>\n<p>The lamps in Nemesis are installed in ceramic panels, internal wiring is made of OFC copper &#8220;six nines&#8221;, input and output RCA connectors are WBT products.\u00a0Finally, Tricker&#8217;s pride is the Nemesis mains transformers and chokes.\u00a0They are all hand wound on custom cores.\u00a0The capacitors in the circuit are used to a minimum, and the RIAA correction is implemented in a passive filter.<\/p>\n<p>The Tron Nemesis RIAA phono stage is assembled in two cases 40x27x18 cm each.\u00a0The power supply unit weighs 35 kg, and the phono stage itself weighs 25 kg.\u00a0The cost of the novelty can be found out personally from the representatives of Tron Electric.<\/p>\n<h3 class=\"widget-title\">Features<\/h3>\n<div class=\"siteorigin-widget-tinymce textwidget\">\n<p>Design features:<\/p>\n<ul>\n<li>Unprecedented signal to noise<\/li>\n<li>Very short signal path<\/li>\n<li>Choke regulated power supplies<\/li>\n<li>Valve\/Tube complement (RIAA): 4 x D3a&#8217;s<\/li>\n<li>Valve\/Tube Complement (Power Supply): 4 x 7Y4&#8217;s<\/li>\n<li>Passive RIAA Filter for excellent signal purity<\/li>\n<li>Internal MC option available<\/li>\n<li>Unique slow start filament supply circuit<\/li>\n<li>Precision Ceramic valve\/tube bases<\/li>\n<li>High quality pure silver WBT RCA connectors<\/li>\n<li>CNC machined chassis<\/li>\n<\/ul>\n<h3 class=\"widget-title\">Specification<\/h3>\n<div class=\"siteorigin-widget-tinymce textwidget\">\n<p><strong>RIAA Unit<\/strong><\/p>\n<ul>\n<li>Input: &#8211; 1 x RCA input (L &amp; R)<\/li>\n<li>Output: &#8211; 1 x RCA output (L &amp; R)<\/li>\n<li>Gain: &#8211; 50dB<\/li>\n<li>Input Impedance: &#8211; 47K ohms<\/li>\n<li>Output Impedance: &#8211; 650 ohms<\/li>\n<li>Frequency Response: &#8211; 20Hz \u2013 20KHz (+\/- 0.5dB)<\/li>\n<li>Size &#8211; Control Unit: &#8211; (L x W x H): 40cm x 27cm x 18cm<\/li>\n<li>Weight: &#8211; 25Kgs<\/li>\n<\/ul>\n<p><strong>Power Supply<\/strong><\/p>\n<ul>\n<li>Mains Supply: -115\u2013240 volts AC (50\u201360Hz)<\/li>\n<li>Power Consumption 115v &#8211; 130watts, 230v &#8211; 65watts<\/li>\n<li>Earth lift included<\/li>\n<li>Size: &#8211; Power Supply (L x W x H): 40cm x 27cm x 18cm<\/li>\n<li>Weight: &#8211; 35Kgs<\/li>\n<li>Warranty: &#8211; 10 years (parts and labour)<\/li>\n<\/ul>\n<p>[ratemypost]<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>The British firm Tron Electric has\u00a0created the\u00a0Nemesis RIAA audiophile low-noise tube phono stage.\u00a0Renowned for his meticulousness, brand leader Graham Tricker has tried to combine the orthodox tube ideology with ease of use and high sound quality. The scheme uses a minimum of parts located taking into account the shortest signal path.\u00a0These are four D3a pentodes [&hellip;] <a class=\"g1-link g1-link-more\" href=\"https:\/\/www.stereoindex.com\/tech\/hi-fi\/tron-nemesis-riaa-phono-stage-60-kg-of-pure-tube-circuitry\/\">More<\/a><\/p>\n","protected":false},"author":10404,"featured_media":128869,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[642],"tags":[779],"class_list":["post-128867","post","type-post","status-publish","format-standard","has-post-thumbnail","category-hi-fi","tag-news"],"acf":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.stereoindex.com\/tech\/wp-json\/wp\/v2\/posts\/128867","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=128867"}],"version-history":[{"count":0,"href":"https:\/\/www.stereoindex.com\/tech\/wp-json\/wp\/v2\/posts\/128867\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.stereoindex.com\/tech\/wp-json\/wp\/v2\/media\/128869"}],"wp:attachment":[{"href":"https:\/\/www.stereoindex.com\/tech\/wp-json\/wp\/v2\/media?parent=128867"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.stereoindex.com\/tech\/wp-json\/wp\/v2\/categories?post=128867"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.stereoindex.com\/tech\/wp-json\/wp\/v2\/tags?post=128867"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}