{"product_id":"jinvina-6sn7-nos-with-boxes","title":"Jinvina 6SN7 NOS with boxes","description":"\u003cdiv class=\"ZLzG0d ncoeY E8xBUb\" role=\"heading\" aria-level=\"3\" data-animation-nesting=\"\" data-sfc-cp=\"\" data-wiz-attrbind=\"aria-level=JLssLe_13\/fLk2Md\" data-sfc-root=\"c\" data-complete=\"true\"\u003eKey Characteristics of the 6SN7 Valve\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=\"c\" data-ved=\"2ahUKEwj6sv7oxsiXAxULY0EAHTkKMUgQi4wTegoIAggACAAIFBAA\" data-hveid=\"CAIIAAgACBQQAA\" data-complete=\"true\"\u003e\n\u003cul class=\"XSq4R KI3fJ\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-hveid=\"CAIIAAgACBQQAQ\" data-complete=\"true\"\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-hveid=\"CAIIAAgACBQQAg\" data-complete=\"true\"\u003e\n\u003cspan class=\"iNqyIf\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-complete=\"true\"\u003e\u003cstrong class=\"rQesXe MPyX\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-complete=\"true\"\u003eType:\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e 8-pin octal low\/medium-gain dual-triode tube (amplification factor μ ≈ 20).\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003cspan\u003e [\u003ca href=\"https:\/\/www.tonetubes.co.za\/6sn7-\/-5692-\/-6h8c-dual-triode.html\"\u003e1\u003c\/a\u003e, \u003ca href=\"https:\/\/www.tubeampdoctor.com\/en\/psvane-6sn7-hifi-series-vacuum-tube-single\"\u003e2\u003c\/a\u003e]\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-hveid=\"CAIIAAgACBQQBw\" data-complete=\"true\"\u003e\n\u003cspan class=\"iNqyIf\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-complete=\"true\"\u003e\u003cstrong class=\"rQesXe MPyX\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-complete=\"true\"\u003eHeater\/Filament:\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e 6.3V \/ 600mA (0.6A).\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003cspan\u003e [\u003ca href=\"https:\/\/www.tubeampdoctor.com\/en\/psvane-6sn7-hifi-series-vacuum-tube-single\"\u003e1\u003c\/a\u003e, \u003ca href=\"https:\/\/www.tonetubes.co.za\/6sn7-\/-5692-\/-6h8c-dual-triode.html\"\u003e2\u003c\/a\u003e]\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-hveid=\"CAIIAAgACBQQDA\" data-complete=\"true\"\u003e\n\u003cspan class=\"iNqyIf\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-complete=\"true\"\u003e\u003cstrong class=\"rQesXe MPyX\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-complete=\"true\"\u003eDesign \u0026amp; Shape:\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e The Jinvina variant is widely recognized for its large envelope (onion\/globe or traditional ST style), which improves heat dissipation and acoustic staging.\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003cspan\u003e [\u003ca href=\"https:\/\/www.amazon.com\/clp\/B0DXK7VV1G\"\u003e1\u003c\/a\u003e, \u003ca href=\"https:\/\/audioexchange.co.za\/our-shop\/ming-da\/\"\u003e2\u003c\/a\u003e, \u003ca href=\"https:\/\/www.tubeampdoctor.com\/en\/psvane-6sn7-hifi-series-vacuum-tube-single\"\u003e3\u003c\/a\u003e]\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-hveid=\"CAIIAAgACBQQEQ\" data-complete=\"true\"\u003e\n\u003cspan class=\"iNqyIf\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-complete=\"true\"\u003e\u003cstrong class=\"rQesXe MPyX\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-complete=\"true\"\u003eRole in Amplifiers:\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e Used primarily in line preamplifiers (such as the Ming Da MD-7SE) or as driver stages preceding power tubes like the 805 or 300B.\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003cspan\u003e [\u003ca href=\"https:\/\/theartofsound.net\/forum\/showthread.php?54265-6sn7-and-6sl7-nos-or-modern-which-is-best\"\u003e1\u003c\/a\u003e, \u003ca href=\"https:\/\/www.mingda.co.uk\/md7se-stereo-valve-amplifier.html\"\u003e2\u003c\/a\u003e]\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/li\u003e\n\u003c!--TgQPHd|||[]--\u003e\n\u003c\/ul\u003e\n\u003c!--TgQPHd|||[]--\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"yhAwj\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-complete=\"true\" data-sfc-inited=\"2\"\u003e\u003c!--TgQPHd|||[]--\u003e\u003c\/div\u003e\n\u003cdiv data-bfc=\"\" class=\"\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-ved=\"2ahUKEwj6sv7oxsiXAxULY0EAHTkKMUgQi4wTegoIAggACAAIGhAA\" data-hveid=\"CAIIAAgACBoQAA\" data-complete=\"true\"\u003e\n\u003cdiv class=\"ZLzG0d ncoeY E8xBUb\" role=\"heading\" aria-level=\"3\" data-animation-nesting=\"\" data-sfc-cp=\"\" data-wiz-attrbind=\"aria-level=JLssLe_2d\/fLk2Md\" data-sfc-root=\"c\" data-complete=\"true\"\u003eCommon Equivalents and Substitutes\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\u003c!--TgQPHd|||[]--\u003e\n\u003c\/div\u003e\n\u003cdiv data-bfc=\"\" class=\"\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-ved=\"2ahUKEwj6sv7oxsiXAxULY0EAHTkKMUgQi4wTegoIAggACAAIGxAA\" data-hveid=\"CAIIAAgACBsQAA\" data-complete=\"true\"\u003e\n\u003cdiv class=\"n6owBd awi2gc\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-hveid=\"CAIIAAgACBsQAQ\" data-complete=\"true\"\u003eThe standard 6SN7 can often be cross-referenced or swapped with other octal dual-triodes depending on your specific circuit tolerances and manufacturer guidelines:\u003cspan\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/div\u003e\n\u003c!--TgQPHd|||[]--\u003e\n\u003c\/div\u003e\n\u003cdiv data-bfc=\"\" class=\"\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-ved=\"2ahUKEwj6sv7oxsiXAxULY0EAHTkKMUgQi4wTegoIAggACAAIHRAA\" data-hveid=\"CAIIAAgACB0QAA\" data-complete=\"true\"\u003e\n\u003cul class=\"XSq4R KI3fJ\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-hveid=\"CAIIAAgACB0QAQ\" data-complete=\"true\"\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-hveid=\"CAIIAAgACB0QAg\" data-complete=\"true\"\u003e\n\u003cspan class=\"iNqyIf\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-complete=\"true\"\u003e\u003cstrong class=\"rQesXe MPyX\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-complete=\"true\"\u003eDirect Equivalents:\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e 6SN7GT, 6N8P, 6H8C, CV1988, VT-231, and CV181.\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-hveid=\"CAIIAAgACB0QAw\" data-complete=\"true\"\u003e\n\u003cspan class=\"iNqyIf\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-complete=\"true\"\u003e\u003cstrong class=\"rQesXe MPyX\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-complete=\"true\"\u003eAlternative New\/NOS Brands:\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e Psvane, Linlai, Tung-Sol, and JJ Electronic.\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003cspan\u003e [\u003ca href=\"https:\/\/www.ebay.com\/itm\/236722520853\"\u003e1\u003c\/a\u003e, \u003ca href=\"https:\/\/www.r-type.org\/exhib\/aaa0517.htm\"\u003e2\u003c\/a\u003e, \u003ca href=\"https:\/\/www.aliexpress.com\/item\/1005012097849418.html\"\u003e3\u003c\/a\u003e, \u003ca href=\"https:\/\/forum.audiogon.com\/discussions\/top-5-new-production-6sn7-tubes\"\u003e4\u003c\/a\u003e, \u003ca href=\"https:\/\/www.tonetubes.co.za\/6sn7-\/-5692-\/-6h8c-dual-triode.html\"\u003e5\u003c\/a\u003e, \u003ca href=\"https:\/\/www.amazon.com\/clp\/B0DXK7VV1G\"\u003e6\u003c\/a\u003e]\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/li\u003e\n\u003c!--TgQPHd|||[]--\u003e\n\u003c\/ul\u003e\n\u003c!--TgQPHd|||[]--\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"yhAwj\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-complete=\"true\" data-sfc-inited=\"2\"\u003e\u003c!--TgQPHd|||[]--\u003e\u003c\/div\u003e\n\u003cdiv data-bfc=\"\" class=\"\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-ved=\"2ahUKEwj6sv7oxsiXAxULY0EAHTkKMUgQi4wTegoIAggACAAIIhAA\" data-hveid=\"CAIIAAgACCIQAA\" data-complete=\"true\"\u003e\n\u003cdiv class=\"Fv6NCb\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-ved=\"2ahUKEwj6sv7oxsiXAxULY0EAHTkKMUgQ-q4QegoIAggACAAIIhAB\" data-hveid=\"CAIIAAgACCIQAQ\" data-complete=\"true\" data-sfc-inited=\"2\"\u003e\n\u003ctable class=\"NRefec\" data-animation-nesting=\"\"\u003e\n\u003ctbody\u003e\n\u003ctr class=\"cZCYO\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-complete=\"true\"\u003e\n\u003cth class=\"iry6k\" colspan=\"undefined\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-complete=\"true\"\u003eFeature \/ Attribute\u003c!--TgQPHd|||[]--\u003e\n\u003c\/th\u003e\n\u003cth class=\"iry6k\" colspan=\"undefined\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-complete=\"true\"\u003eJinvina 6SN7 (Ming Da Style)\u003c!--TgQPHd|||[]--\u003e\n\u003c\/th\u003e\n\u003cth class=\"iry6k\" colspan=\"undefined\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-complete=\"true\"\u003eStandard 6SN7GT \/ 6N8P\u003c!--TgQPHd|||[]--\u003e\n\u003c\/th\u003e\n\u003c!--TgQPHd|||[]--\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"cZCYO\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-complete=\"true\"\u003e\n\u003ctd class=\"Vk1lqb\" colspan=\"undefined\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-complete=\"true\"\u003e\n\u003cstrong class=\"rQesXe MPyX\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-complete=\"true\"\u003eEnvelope Shape\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/td\u003e\n\u003ctd class=\"Vk1lqb\" colspan=\"undefined\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-complete=\"true\"\u003eOnion \/ Large-bottle design\u003c!--TgQPHd|||[]--\u003e\n\u003c\/td\u003e\n\u003ctd class=\"Vk1lqb\" colspan=\"undefined\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-complete=\"true\"\u003eStandard ST-shape or tubular glass\u003c!--TgQPHd|||[]--\u003e\n\u003c\/td\u003e\n\u003c!--TgQPHd|||[]--\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"cZCYO\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-complete=\"true\"\u003e\n\u003ctd class=\"Vk1lqb\" colspan=\"undefined\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-complete=\"true\"\u003e\n\u003cstrong class=\"rQesXe MPyX\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-complete=\"true\"\u003eBase Type\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/td\u003e\n\u003ctd class=\"Vk1lqb\" colspan=\"undefined\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-complete=\"true\"\u003e8-pin Octal\u003c!--TgQPHd|||[]--\u003e\n\u003c\/td\u003e\n\u003ctd class=\"Vk1lqb\" colspan=\"undefined\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-complete=\"true\"\u003e8-pin Octal\u003c!--TgQPHd|||[]--\u003e\n\u003c\/td\u003e\n\u003c!--TgQPHd|||[]--\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"cZCYO\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-complete=\"true\"\u003e\n\u003ctd class=\"Vk1lqb\" colspan=\"undefined\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-complete=\"true\"\u003e\n\u003cstrong class=\"rQesXe MPyX\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-complete=\"true\"\u003eHeater (Vh \/ Ih)\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/td\u003e\n\u003ctd class=\"Vk1lqb\" colspan=\"undefined\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-complete=\"true\"\u003e6.3V \/ 0.6A\u003c!--TgQPHd|||[]--\u003e\n\u003c\/td\u003e\n\u003ctd class=\"Vk1lqb\" colspan=\"undefined\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-complete=\"true\"\u003e6.3V \/ 0.6A\u003c!--TgQPHd|||[]--\u003e\n\u003c\/td\u003e\n\u003c!--TgQPHd|||[]--\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"cZCYO\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-complete=\"true\"\u003e\n\u003ctd class=\"Vk1lqb\" colspan=\"undefined\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-complete=\"true\"\u003e\n\u003cstrong class=\"rQesXe MPyX\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-complete=\"true\"\u003eGain (μ)\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/td\u003e\n\u003ctd class=\"Vk1lqb\" colspan=\"undefined\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-complete=\"true\"\u003e~20 (Medium gain)\u003c!--TgQPHd|||[]--\u003e\n\u003c\/td\u003e\n\u003ctd class=\"Vk1lqb\" colspan=\"undefined\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-complete=\"true\"\u003e~20 (Medium gain)\u003c!--TgQPHd|||[]--\u003e\n\u003c\/td\u003e\n\u003c!--TgQPHd|||[]--\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"cZCYO\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-complete=\"true\"\u003e\n\u003ctd class=\"Vk1lqb\" colspan=\"undefined\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-complete=\"true\"\u003e\n\u003cstrong class=\"rQesXe MPyX\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-complete=\"true\"\u003ePrimary Application\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/td\u003e\n\u003ctd class=\"Vk1lqb\" colspan=\"undefined\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-complete=\"true\"\u003ePreamplifier \u0026amp; driver stages (e.g., Ming Da)\u003c!--TgQPHd|||[]--\u003e\n\u003c\/td\u003e\n\u003ctd class=\"Vk1lqb\" colspan=\"undefined\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-complete=\"true\"\u003eLine preamps, phase inverters, drivers\u003c!--TgQPHd|||[]--\u003e\n\u003c\/td\u003e\n\u003c!--TgQPHd|||[]--\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c!--qkimaf JLssLe_46\/HugV6--\u003e\n\u003cdiv class=\"chf7df\"\u003e\n\u003cdiv class=\"YHsVn\" data-ved=\"0CAAQkK0UahcKEwiguN7pxsiXAxUAAAAAHQAAAAAQDg\"\u003e\u003cbutton class=\"vif53e\" aria-label=\"Export to Google Sheets\" data-ved=\"0CAEQ-vMVahcKEwiguN7pxsiXAxUAAAAAHQAAAAAQDg\" data-hveid=\"1\"\u003e\u003cspan class=\"H3Obmd\"\u003e\u003csvg class=\"EQxvpc H3Obmd wffbD\" fill=\"currentColor\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 -960 960 960\" aria-hidden=\"true\"\u003e\u003cpath d=\"M240-120q-51,0-85.5-34.5T120-240V-720q0-50 34.5-85T240-840H726q48,0 81,35.5T840-720v480q0,51-35,85.5T720-120H240ZM360-240q17,0 28.5-11.5T400-280V-560H680q17,0 28.5-11.5T720-600t-11.5-28.5T680-640H400v-40q0-17-11.5-28.5T360-720t-28.5,11.5T320-680v40H280q-17,0-28.5,11.5T240-600t11.5,28.5T280-560h40v280q0,17 11.5,28.5T360-240Z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003c\/button\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!--cqw1tb JLssLe_46\/HugV6--\u003e\u003c!--TgQPHd|||[[1,0,0,null,null,\u0026quot;\u0026quot;,null,1,\u0026quot;aim-table-27\u0026quot;]]--\u003e\n\u003c\/div\u003e\n\u003c!--TgQPHd|||[]--\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"yhAwj\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-complete=\"true\" data-sfc-inited=\"2\"\u003e\u003c!--TgQPHd|||[]--\u003e\u003c\/div\u003e","brand":"JINVINA","offers":[{"title":"Default Title","offer_id":67813931221071,"sku":null,"price":860.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0669\/4354\/9519\/files\/download_9f15daf6-0dc8-4518-937a-37546dbe4ecc.jpg?v=1792498136","url":"https:\/\/theoldstockroom.com\/products\/jinvina-6sn7-nos-with-boxes","provider":"The Old Stockroom","version":"1.0","type":"link"}