{"product_id":"mullard-ecc83-12ax7","title":"Mullard ECC83( 12AX7) NOS","description":"\u003cdiv class=\"ZLzG0d ncoeY E8xBUb\" role=\"heading\" aria-level=\"3\" data-animation-nesting=\"\" data-sfc-cp=\"\" data-wiz-attrbind=\"aria-level=KpVhKe_17\/fLk2Md\" data-sfc-root=\"ep\" data-epip=\"\" data-complete=\"true\"\u003eKey Characteristics of Original NOS Mullard ECC83\u003c!--TgQPHd|||[[2,[null,null,null,null,null,null,null,null,null,null,null,null,[351768,null,0]],[],null,1]]--\u003e\n\u003c\/div\u003e\n\u003cdiv data-bfc=\"\" class=\"\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-epip=\"\" data-ved=\"2ahUKEwiCtc-D8MWXAxXnUUEAHQDjHK4Qi4wTegoIAggACAAIFBAA\" data-hveid=\"CAIIAAgACBQQAA\" data-complete=\"true\"\u003e\n\u003cul class=\"XSq4R KI3fJ\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-epip=\"\" data-hveid=\"CAIIAAgACBQQAQ\" data-complete=\"true\"\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-epip=\"\" data-hveid=\"CAIIAAgACBQQAg\" data-complete=\"true\"\u003e\n\u003cspan class=\"iNqyIf\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-epip=\"\" data-complete=\"true\"\u003e\u003cstrong class=\"rQesXe MPyX\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-epip=\"\" data-complete=\"true\"\u003eOrigin:\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e Made in Great Britain (Blackburn or related UK facilities), often identifiable by etched factory codes like \u003ccode dir=\"ltr\" class=\"KDcb0c\" data-sfc-root=\"ep\" data-epip=\"\" data-complete=\"true\"\u003ef9\u003c!--TgQPHd|||[]--\u003e\u003c\/code\u003e (low microphony ECC83) followed by plant and date stamps (e.g., \u003ccode dir=\"ltr\" class=\"KDcb0c\" data-sfc-root=\"ep\" data-epip=\"\" data-complete=\"true\"\u003eB8F\u003c!--TgQPHd|||[]--\u003e\u003c\/code\u003e for Blackburn, June 1968).\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003cspan\u003e [\u003ca href=\"https:\/\/www.tubeampdoctor.com\/en\/mullard-ecc83\/12ax7-nos\/made-in-great-britain\"\u003e1\u003c\/a\u003e]\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-epip=\"\" data-hveid=\"CAIIAAgACBQQBw\" data-complete=\"true\"\u003e\n\u003cspan class=\"iNqyIf\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-epip=\"\" data-complete=\"true\"\u003e\u003cstrong class=\"rQesXe MPyX\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-epip=\"\" data-complete=\"true\"\u003ePlate Styles:\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e Early versions featured \u003cstrong class=\"rQesXe MPyX\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-epip=\"\" data-complete=\"true\"\u003elong plates\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e (such as the \u003ccode dir=\"ltr\" class=\"KDcb0c\" data-sfc-root=\"ep\" data-epip=\"\" data-complete=\"true\"\u003eI61\u003c!--TgQPHd|||[]--\u003e\u003c\/code\u003e), while later and more common high-reliability versions featured \u003cstrong class=\"rQesXe MPyX\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-epip=\"\" data-complete=\"true\"\u003eshort plates\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e (such as the \u003ccode dir=\"ltr\" class=\"KDcb0c\" data-sfc-root=\"ep\" data-epip=\"\" data-complete=\"true\"\u003eI63\u003c!--TgQPHd|||[]--\u003e\u003c\/code\u003e) with indented ladder plate designs and halo or square getters.\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003cspan\u003e [\u003ca href=\"https:\/\/www.effectrode.com\/knowledge-base\/mullard-ecc83-12ax7-reissue-vs-original-a-physical-comparison\/\"\u003e1\u003c\/a\u003e, \u003ca href=\"https:\/\/www.ebay.com\/itm\/254519137932\"\u003e2\u003c\/a\u003e, \u003ca href=\"https:\/\/www.ebay.com\/b\/Mullard-Ecc83\/64627\/bn_7023363621\"\u003e3\u003c\/a\u003e]\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-epip=\"\" data-hveid=\"CAIIAAgACBQQDA\" data-complete=\"true\"\u003e\n\u003cspan class=\"iNqyIf\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-epip=\"\" data-complete=\"true\"\u003e\u003cstrong class=\"rQesXe MPyX\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-epip=\"\" data-complete=\"true\"\u003eSonic Profile:\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e Known for a warm, organic, and non-fatiguing presentation with deep clarity and well-balanced triode matching compared to modern-day reissues.\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003cspan\u003e [\u003ca href=\"https:\/\/www.effectrode.com\/knowledge-base\/mullard-ecc83-12ax7-reissue-vs-original-an-electrical-comparison\/\"\u003e1\u003c\/a\u003e, \u003ca href=\"https:\/\/blog.thetubestore.com\/review-mullard-12ax7-ecc83-reissue-tube\/\"\u003e2\u003c\/a\u003e]\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Mullard","offers":[{"title":"Default Title","offer_id":67791031304271,"sku":null,"price":2000.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0669\/4354\/9519\/files\/images_9ae3c537-9594-4733-993e-bbe4afb59875.jpg?v=1792405506","url":"https:\/\/theoldstockroom.com\/products\/mullard-ecc83-12ax7","provider":"The Old Stockroom","version":"1.0","type":"link"}