{"product_id":"mullard-12ax7-ecc83-vacuum-tube-upgrade-ecc83s-ecc803-7025-12ax7b-b759-5751-6n4-hifi-audio-valve-electronic-tube-amplifier-diy-m","title":"Mullard 12AX7 ECC83 Vacuum Tube Upgrade ECC83S ECC803 7025 12AX7B B759 5751 6N4 HIFI Audio Valve Electronic Tube Amplifier DIY M","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\n\n\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333333\"\u003eNone\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n\n\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333333\"\u003eRU(Origin)\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"detailmodule_dynamic\"\u003e\u003ckse:widget data-widget-type=\"relatedProduct\" id=\"1005000012187617\" title=\"\" type=\"relation\"\u003e\u003c\/kse:widget\u003e\u003c\/div\u003e\r\n\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cp\u003e\u003c\/p\u003e \n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e \n\u003cp\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eBrand new Russia Mullard 12AX7 ECC83 Vacuum Tube Upgrade B759 ECC83S CV4004 E83CC 7025 ECC803 5751 12AX7B 6N4 for HIFI Audio Valve Electronic Tube Amplifier Kit DIY Factory Genuine Precision Tested and Matched Quad\u003c\/span\u003e\u003c\/p\u003e \n\u003cp style='font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box' align=\"start\"\u003e\u003cbr\u003e\u003c\/p\u003e \n\u003cp style='font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box' align=\"start\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eIn a series of retro famous tube plans, NEW SENSOR Group of the United States, of course, also locked in this dream Mullard famous tube. After obtaining the same manufacturing process and design as the original product line, the company moved to St. Petersburg, Russia, and successfully reproduced Mullard EL34, 12AX7, EL84 and other classic famous pipes with local high-quality engineering manpower and advanced old OTK technical support.\u003c\/span\u003e\u003c\/p\u003e \n\u003cp style='font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box' align=\"start\"\u003e\u003cbr\u003e\u003c\/p\u003e \n\u003cp style='font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box' align=\"start\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eAll new reproductions adhere to the requirements of showing the characteristics of the old tube in the original. The vacuum treatment and internal metal materials, as well as the material and thickness of the glass bottle body, and even the solder proportion of the foot, are carried out according to the technical manual of the original tube. The new century's factory management and more rigorous testing also make the reproduction more reliable and complete. Even the packaging is completely in accordance with the printing, and the texture is very good.\u003c\/span\u003e\u003c\/p\u003e \n\u003cp style='font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box' align=\"start\"\u003e\u003cbr\u003e\u003c\/p\u003e \n\u003cp style='font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box' align=\"start\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eSound quality is the most concerned topic of enthusiasts. After verification of electrical characteristics and durability by the original manufacturer, compared with the old pipe, the original strength and sound thickness are not bad at all, while the new pipe even has a very extended high frequency, full of air, compared with the old pipe.\u003c\/span\u003e\u003c\/p\u003e \n\u003cp style='font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box' align=\"start\"\u003e\u003cbr\u003e\u003c\/p\u003e \n\u003cp style='font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box' align=\"start\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eThe shop promises:\u003c\/span\u003e\u003c\/p\u003e \n\u003cp style='font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box' align=\"start\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eThe electronic tubes operated by our store are guaranteed to be brand new and high-quality genuine products from the original factory, and we will provide free replacements for any quality problems within one year. All tubes are rigorously tested to match .Buy 2pcs = Precision matched pair. Buy 4pcs = Precision Matched Quad. We have the conditions and advantages to match multiple tubes (four tubes, eight tubes) according to customer needs. The same parameters. It is a professional shockproof and firm package. It is absolutely safe.\u003c\/span\u003e\u003c\/p\u003e \n\u003cp style='font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box' align=\"start\"\u003e\u003cbr\u003e\u003c\/p\u003e \n\u003cp style='font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box' align=\"start\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eNote: It will be shipped after strict inspection again (please do not think it is a fake and shoddy product after receiving the tube).\u003c\/span\u003e\u003c\/p\u003e \n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e \n\u003cp style='font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box' align=\"start\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sba83b5649e5a4391bfda8d363ae1ae02L.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S52c8e57dbfc7432f97cfd44a935262662.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Saf9913e2b0c04611aa8ab38ef086b4d9T.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sf83f8ff105034da58aafab9a0123a550Z.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sb42b3e27f843455d87e85cc0194354bfR.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sa38cae4ee6804d91ad2de99ce2dfa211a.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S69f4fe13dd044243aaa90cb8051d049ce.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S12ffa092f2bf4c698606a920d7a770e6B.png\" slate-data-type=\"image\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\r\n","brand":"Peter's Electronics","offers":[{"title":"1PCS 12AX7","offer_id":52565787738394,"sku":"14:350853#1PCS 12AX7","price":63.99,"currency_code":"USD","in_stock":true},{"title":"4PCS 12AX7","offer_id":52565787771162,"sku":"14:4#4PCS 12AX7","price":233.99,"currency_code":"USD","in_stock":true},{"title":"2PCS 12AX7","offer_id":52565787803930,"sku":"14:29#2PCS 12AX7","price":120.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/8973\/4170\/files\/S52c8e57dbfc7432f97cfd44a935262662.webp?v=1784743686","url":"https:\/\/peterselectronics.com\/products\/mullard-12ax7-ecc83-vacuum-tube-upgrade-ecc83s-ecc803-7025-12ax7b-b759-5751-6n4-hifi-audio-valve-electronic-tube-amplifier-diy-m","provider":"Peter's Electronics","version":"1.0","type":"link"}