{"title":"Audio Vacuum Tubes","description":null,"products":[{"product_id":"mullard-el34-tubes-direct-replace-for-6ca7-el34b-enhanced-sound-in-tube-amps-guitar-rigs-power-amplifier","title":"Mullard EL34 Tubes - Direct Replace for 6CA7\/EL34B, Enhanced Sound in Tube Amps \u0026 Guitar Rigs Power Amplifier","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\n\n\u003cp\u003e\u003cspan\u003eCertification\u003c\/span\u003e: \u003cspan style=\"color:#333333\"\u003eCE\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003c\/p\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\u003cspan\u003eMaximum Power Per Channel\u003c\/span\u003e: \u003cspan style=\"color:#333333\"\u003eNO POWER\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan\u003eModel Number\u003c\/span\u003e: \u003cspan style=\"color:#333333\"\u003eMullard EL34\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan\u003ePackage\u003c\/span\u003e: \u003cspan style=\"color:#333333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cp\u003e\u003cspan style='background-color:rgb(255, 255, 255);color:rgb(34, 34, 34);font-size:22px;font-family:\"times new roman\", times, serif'\u003eSales details of Da Dun EL34 electronic tube products\u003cbr\u003e🔥  Core Features\u003cbr\u003e1. Classic replica sound quality\u003cbr\u003e\u003cbr\u003e-Reproduce the iconic acoustic characteristics of the 1960s shield EL34, with rich and mellow mid frequency, transparent and delicate high frequency, and full elasticity at low frequency, enhancing the infectious power of human voice and string music.   \u003cbr\u003e\u003cbr\u003e-Made on the original production line in Russia, using antique pipe materials and craftsmanship to ensure the inheritance of the \"British charm\".   \u003cbr\u003e2. High performance compatible design\u003cbr\u003e\u003cbr\u003e-Directly substitute models: 6CA7, EL34B (China Shuguang), 5881, 6L6G\/KT66 (requiring circuit fine-tuning).   \u003cbr\u003e-Compatible devices:\u003cbr\u003e-Guitar amplifier (such as Marshall series) [[13] [20] ()\u003cbr\u003e-HIFI push-pull amplifier (compatible with EL34\/6CA7\/KT77 circuits) [[2] [11] ()]\u003cbr\u003e-Bookshelf box system (enhances the sense of presence for vocals and chamber music) [7] [9] ()\u003cbr\u003e3. Improvement in substitution performance\u003cbr\u003e\u003cbr\u003e-Compared to regular EL34B, the mid frequency thickness has been increased by about 30%, the high-frequency burr sensation has been reduced, and the dynamic response is more natural.   \u003cbr\u003e\u003cbr\u003e-Compared to 6L6\/KT88: The sound is warmer and smoother, suitable for emotional music such as jazz and blues.   \u003cbr\u003e\u003cbr\u003e\"Mullard EL34 Tubes - Direct Replace for 6CA7\/EL34B, Enhanced Sound in Tube Amps \u0026amp; Guitar Rigs\"  \u003c\/span\u003e\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sa4009ebc41a349379eb6f0d7f2f8f110J.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sf1ba0bbb847c48f9a5c0ffba7e0de8ddt.jpg?width=750\u0026amp;height=472\u0026amp;hash=1222\" slate-data-type=\"image\"\u003e \u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sb0bd37d7bbf64f39a95586abc28238a3i.jpg?width=750\u0026amp;height=598\u0026amp;hash=1348\" slate-data-type=\"image\"\u003e \u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Saf1a2e618c8a429a92b3bce47d2c1cf9p.jpg?width=750\u0026amp;height=995\u0026amp;hash=1745\" slate-data-type=\"image\"\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sb929fbafcbac44e68dde16486b7cf103A.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S75019fe7b5e44cd1aed222319908225bK.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S66565bb650d64239b31a5a74207f5885p.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S6cfc4500cf3c49659d20831d567107dc7.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sa4009ebc41a349379eb6f0d7f2f8f110J.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S73a5aedeadb2446fb4b663d6825b7376h.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003cbr\u003e","brand":"Peter's Electronics","offers":[{"title":"4pcs Matched Quad","offer_id":52565778858266,"sku":"14:1202#4pcs Matched Quad","price":406.99,"currency_code":"USD","in_stock":true},{"title":"2pcs Matched Pair","offer_id":52565778891034,"sku":"14:865#2pcs Matched Pair","price":208.99,"currency_code":"USD","in_stock":true},{"title":"1pcs","offer_id":52565778923802,"sku":"14:618#1pcs","price":109.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/8973\/4170\/files\/S73a5aedeadb2446fb4b663d6825b7376h.webp?v=1784743524"},{"product_id":"mullard-12ax7-ecc83-vacuum-electron-tube-upgrade-b759-ecc803-5751-7025-6681-6n4-hifi-audio-tubes-valve-preamp-amp-amplifier-diy","title":"Mullard 12AX7 ECC83 Vacuum Electron Tube Upgrade  B759 ECC803 5751 7025 6681 6N4 HIFI Audio Tubes Valve Preamp Amp Amplifier Diy","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 \u003c\/p\u003e\n\u003cp\u003e\u003ckse:widget data-widget-type=\"customText\" id=\"1005000021074808\" type=\"relation\"\u003e\u003c\/kse:widget\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='background-color:rgb(255, 255, 255);color:rgb(0, 0, 0);font-size:20px;font-family:\"times new roman\", times, serif'\u003eHello friend, Happy shopping.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='background-color:rgb(255, 255, 255);color:rgb(0, 0, 0);font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cbr\u003eAll products in our store are genuine. We provide a one-year quality guarantee.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='background-color:rgb(255, 255, 255);color:rgb(0, 0, 0);font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cbr\u003eIf there are any quality issues, you don't need to send them back to us. We will send you a new one for free.We will ship to you after the precise matching is done\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='background-color:rgb(255, 255, 255);color:rgb(0, 0, 0);font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cbr\u003eThis product model: Mullard 12AX7 \u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='background-color:rgb(255, 255, 255);color:rgba(0,0,0,255);font-size:20px;font-family:\"times new roman\", times, serif'\u003eCore functions of 12AX7 electronic tube\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='background-color:rgb(255, 255, 255);color:rgba(0,0,0,255);font-size:20px;font-family:\"times new roman\", times, serif'\u003e1. Signal amplification\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='background-color:rgb(255, 255, 255);color:rgba(0,0,0,255);font-size:20px;font-family:\"times new roman\", times, serif'\u003eAs a front-end amplifier, it is responsible for amplifying weak audio signals, enhancing the overall thrust and sense of hierarchy, and is the core front-end component of the aircraft.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='background-color:rgb(255, 255, 255);color:rgba(0,0,0,255);font-size:20px;font-family:\"times new roman\", times, serif'\u003e2. Tone polishing\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='background-color:rgb(255, 255, 255);color:rgba(0,0,0,255);font-size:20px;font-family:\"times new roman\", times, serif'\u003eEquipped with a gallbladder like warm sound texture, optimized mid frequency vocals, soft high-frequency burrs, creating a warm and retro Hi Fi listening experience.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='background-color:rgb(255, 255, 255);color:rgba(0,0,0,255);font-size:20px;font-family:\"times new roman\", times, serif'\u003e3. Low noise transmission\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='background-color:rgb(255, 255, 255);color:rgba(0,0,0,255);font-size:20px;font-family:\"times new roman\", times, serif'\u003eHigh gain and low background noise design, restoring pure audio sources, reducing current noise and distortion, resulting in cleaner sound quality.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='background-color:rgb(255, 255, 255);color:rgba(0,0,0,255);font-size:20px;font-family:\"times new roman\", times, serif'\u003e4. Adjustable and upgradable tone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='background-color:rgb(255, 255, 255);color:rgba(0,0,0,255);font-size:20px;font-family:\"times new roman\", times, serif'\u003eMultiple compatible bile ducts can be directly replaced, allowing for free switching between warm, thick, transparent, and pure music styles to meet tuning needs.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='background-color:rgb(255, 255, 255);color:rgba(0,0,0,255);font-size:20px;font-family:\"times new roman\", times, serif'\u003e5. Device driver adaptation\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='background-color:rgb(255, 255, 255);color:rgba(0,0,0,255);font-size:20px;font-family:\"times new roman\", times, serif'\u003eWidely compatible with front-end speakers, guitar speakers, car audio systems, retro audio equipment, and stable driving of the entire sound system.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='background-color:rgb(255, 255, 255);color:rgba(0,0,0,255);font-size:20px;font-family:\"times new roman\", times, serif'\u003e6. Equipment maintenance and replacement\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='background-color:rgb(255, 255, 255);color:rgba(0,0,0,255);font-size:20px;font-family:\"times new roman\", times, serif'\u003eWhen the original tube of an old machine is aged and damaged, it can be directly replaced and repaired to restore its original working condition and sound quality.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='background-color:rgb(255, 255, 255);color:rgb(0, 0, 0);font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cbr\u003eNote: It will be shipped after strict inspection, testing, and matching (please do not consider it a counterfeit or inferior product after receiving the pip\u003c\/span\u003e\u003cspan style=\"background-color:rgb(255, 255, 255);color:rgb(0, 0, 0);font-size:20px;font-family:tahoma, geneva, sans-serif\"\u003ee).thank you.\u003c\/span\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S78b0d6d8551d40b4b01b5042ea422a82u.png\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S46c1f821416448cbb63c626921cf2864b.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S5e7502cfb7b54055958a4a88d9aa5de6n.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S8d4f8579bd974d21ad1882d64ac91526G.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sb2e40698544e45789b18d6363b8b6437Z.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S8a33d9dae3bf4304ad0d9d46895bcc7ct.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S7a2043a670d4404bb91326ed654838ceP.jpg\" slate-data-type=\"image\"\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Peter's Electronics","offers":[{"title":"4pcs Matched","offer_id":52565780463898,"sku":"14:29#4pcs Matched","price":334.99,"currency_code":"USD","in_stock":true},{"title":"2pcs Matched","offer_id":52565780496666,"sku":"14:496#2pcs Matched","price":169.99,"currency_code":"USD","in_stock":true},{"title":"1pcs","offer_id":52565780529434,"sku":"14:366#1pcs","price":89.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/8973\/4170\/files\/S78b0d6d8551d40b4b01b5042ea422a82u.webp?v=1784743586"},{"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":64.99,"currency_code":"USD","in_stock":true},{"title":"4PCS 12AX7","offer_id":52565787771162,"sku":"14:4#4PCS 12AX7","price":237.99,"currency_code":"USD","in_stock":true},{"title":"2PCS 12AX7","offer_id":52565787803930,"sku":"14:29#2PCS 12AX7","price":122.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/8973\/4170\/files\/S52c8e57dbfc7432f97cfd44a935262662.webp?v=1784743686"},{"product_id":"mullard-12ax7-ecc83-vacuum-tube-upgrade-ecc803-ecc83s-5751-7025-6n4-b759-hifi-audio-valve-electronic-tube-amplifier","title":"Mullard 12AX7 ECC83 Vacuum Tube Upgrade ECC803 ECC83S 5751 7025 6N4 B759 HIFI Audio Valve Electronic Tube Amplifier","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 \u003c\/p\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ckse:widget data-widget-type=\"customText\" id=\"1005000013677204\" type=\"relation\"\u003e\u003c\/kse:widget\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eThank you for visiting Fire Crew vacuum tube brand store\u003c\/span\u003e\u003c\/p\u003e\u003cp style='font-family:\"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'\u003eHappy shopping\u003c\/span\u003e\u003c\/p\u003e\u003cp style='font-family:\"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\u003cp style='font-family:\"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'\u003eBrand new Fire Crew 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\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\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\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\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\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\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\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eThe shop promises:\u003c\/span\u003e\u003c\/p\u003e\u003cp\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\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\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\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S4a903153a4c0465b9c3e363589db562bS.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Se48ad6bed7394842bd8ede35f1d9d2a5O.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S4cb813f32f424b4e8337634116a37396z.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S9a6cf1cdf5af4c46a3e0985d11168670u.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S99283d4f313c453db7bddf52d375f11ba.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S8d4623c746e44b8392dbe0bbaae40630h.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S0624ce0c78b64ccc8c10a55f02558daeQ.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e","brand":"Peter's Electronics","offers":[{"title":"1pcs","offer_id":52565791375642,"sku":"14:366#1pcs","price":88.99,"currency_code":"USD","in_stock":true},{"title":"4pcs Matched Quad","offer_id":52565791408410,"sku":"14:496#4pcs Matched Quad","price":327.99,"currency_code":"USD","in_stock":true},{"title":"2pcs Matched Pair","offer_id":52565791441178,"sku":"14:504#2pcs Matched Pair","price":166.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/8973\/4170\/files\/S847479e55b0b41d4a15a9add9d647e6bX.webp?v=1784743830"},{"product_id":"12ax7-s-vacuum-tube-replaces-jj-gold-lion-linlai-mullard-12ax7-ecc83-for-electronic-tube-amp-audio-preamplifier","title":"12AX7-S Vacuum Tube Replaces  JJ Gold Lion LINLAI Mullard 12ax7 ECC83 for Electronic Tube Amp Audio PreAmplifier","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\n\n\u003cp\u003e\u003cspan\u003eCertification\u003c\/span\u003e: \u003cspan style=\"color:#333333\"\u003eCE\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n\n\u003cp\u003e\u003cspan\u003eChannels\u003c\/span\u003e: \u003cspan style=\"color:#333333\"\u003e2 (2.0)\u003c\/span\u003e\u003c\/p\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\u003cspan\u003eMaximum Power Per Channel\u003c\/span\u003e: \u003cspan style=\"color:#333333\"\u003eNO POWER\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan\u003eModel Number\u003c\/span\u003e: \u003cspan style=\"color:#333333\"\u003e12AX7S\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan\u003ePackage\u003c\/span\u003e: \u003cspan style=\"color:#333333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\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\u003ckse:widget data-widget-type=\"customText\" id=\"1005000017128002\" type=\"relation\"\u003e\u003c\/kse:widget\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'\u003eThank you for visiting our store\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'\u003eHappy shopping\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:16px\"\u003ePSVANE 12AX7-S Vacuum Tube Replaces JJ Gold Lion LINLAI Mullard 12ax7 ECC83 for Electronic Tube Amp Audio PreAmplifier\u003c\/span\u003e\u003c\/div\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.\u003c\/span\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align:left;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\" align=\"left\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Scfcdf893c51b4820a308cca54553efd9Q.jpg?width=800\u0026amp;height=800\u0026amp;hash=1600\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sd22574b8069348ec8a3aa405863374ceF.jpg?width=800\u0026amp;height=800\u0026amp;hash=1600\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S56aef202709e470eada4f212c4a22d1cK.jpg?width=800\u0026amp;height=800\u0026amp;hash=1600\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S7416de7ac4da45e3a9a52764e698e57aq.jpg?width=800\u0026amp;height=800\u0026amp;hash=1600\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Peter's Electronics","offers":[{"title":"1pcs","offer_id":52565792686362,"sku":"14:865#1pcs","price":70.99,"currency_code":"USD","in_stock":true},{"title":"2pcs Matched Pair","offer_id":52565792719130,"sku":"14:1202#2pcs Matched Pair","price":131.99,"currency_code":"USD","in_stock":true},{"title":"4pcs Matched Quad","offer_id":52565792751898,"sku":"14:1254#4pcs Matched Quad","price":258.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/8973\/4170\/files\/S8f6d7a55ccb14c57afe08d50dbc3da3ee.webp?v=1784743929"},{"product_id":"mullard-12ax7-ecc83-6n4vacuum-tube-hifi-audio-valve-electronic-tube-amplifier-kit-factory-precision-matched-quad-diy","title":"Mullard 12AX7 ECC83 6N4Vacuum Tube HIFI Audio Valve Electronic Tube Amplifier Kit Factory Precision Matched Quad Diy","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\n\n\u003cp\u003e\u003cspan\u003eCertification\u003c\/span\u003e: \u003cspan style=\"color:#333333\"\u003eCE\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003c\/p\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\u003cspan\u003eMaximum Power Per Channel\u003c\/span\u003e: \u003cspan style=\"color:#333333\"\u003eNO POWER\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan\u003eModel Number\u003c\/span\u003e: \u003cspan style=\"color:#333333\"\u003eMullard 12AX7\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan\u003ePackage\u003c\/span\u003e: \u003cspan style=\"color:#333333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:22px\"\u003eThank you very much for visiting Aogutx Electronic Tube Specialty Store\u003cbr\u003eWishing you a pleasant shopping experience\u003c\/span\u003e\u003c\/div\u003e\n\u003cp style=\"line-height:inherit;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\"\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"background-color:rgb(243, 156, 18)\"\u003eBrand new Aogutx Mullard 12AX7 ECC83 Vacuum Tube HIFI Audio Valve Replaces 6N4 Electronic Tube Amplifier Kit Diy Genuine Factory Precision Matched Quad\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp style=\"line-height:inherit;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\"\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='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\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp style=\"line-height:inherit;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\"\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='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\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp style=\"line-height:inherit;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\"\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='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\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp style=\"line-height:inherit;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\"\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eThe shop promises:\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"line-height:inherit;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\"\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='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.\u003cbr\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S908199ff82c6405c99586eb113d6f30d9.jpg?width=1000\u0026amp;height=293\u0026amp;hash=1293\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S5404a7e4e6224644b2a60e420db6e4e2m.jpg?width=1000\u0026amp;height=1000\u0026amp;hash=2000\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S35cc4f4b03f041a796358740005d88ceT.jpg?width=1000\u0026amp;height=1000\u0026amp;hash=2000\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S1cc644c22ff7492ba746ff7ea69a0478n.jpg?width=1000\u0026amp;height=1000\u0026amp;hash=2000\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sc9e58456f60b44c98e81a049ddb77cdfz.jpg?width=1000\u0026amp;height=1000\u0026amp;hash=2000\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S62a7254ad8934bc9b8516a86e19edd04K.jpg?width=1000\u0026amp;height=1000\u0026amp;hash=2000\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S497efa26b24a4d0989d1f7f066396074d.jpg?width=1000\u0026amp;height=1000\u0026amp;hash=2000\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S103bbe1334824300bd5828c737fe886eU.jpg?width=1000\u0026amp;height=1000\u0026amp;hash=2000\" slate-data-type=\"image\"\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'\u003e\u003cspan style=\"background-color:rgb(231, 76, 60)\"\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\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Peter's Electronics","offers":[{"title":"1pcs","offer_id":52565795897626,"sku":"14:618#1pcs","price":90.99,"currency_code":"USD","in_stock":true},{"title":"2pcs Matched Pair","offer_id":52565795930394,"sku":"14:865#2pcs Matched Pair","price":174.99,"currency_code":"USD","in_stock":true},{"title":"4pcs Matched Quad","offer_id":52565795963162,"sku":"14:1202#4pcs Matched Quad","price":342.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/8973\/4170\/files\/Sd9bf211c3f19437e83a29d9e16af9e8ev.webp?v=1784744022"},{"product_id":"mullard-12ax7-ecc83-6n4vacuum-tube-hifi-audio-valve-electronic-tube-amplifier-kit-factory-precision-matched-quad-diy-1","title":"Mullard 12AX7 ECC83 6N4Vacuum Tube HIFI Audio Valve Electronic Tube Amplifier Kit Factory Precision Matched Quad Diy","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\n\n\u003cp\u003e\u003cspan\u003eCertification\u003c\/span\u003e: \u003cspan style=\"color:#333333\"\u003eCE\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003c\/p\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\u003cspan\u003eMaximum Power Per Channel\u003c\/span\u003e: \u003cspan style=\"color:#333333\"\u003eNO POWER\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan\u003eModel Number\u003c\/span\u003e: \u003cspan style=\"color:#333333\"\u003eMullard 12AX7\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan\u003ePackage\u003c\/span\u003e: \u003cspan style=\"color:#333333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:22px\"\u003eThank you very much for visiting Aogutx Electronic Tube Specialty Store\u003cbr\u003eWishing you a pleasant shopping experience\u003c\/span\u003e\u003c\/div\u003e\n\u003cp style=\"line-height:inherit;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\"\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003e\u003cspan style=\"background-color:rgb(243, 156, 18)\"\u003eBrand new Aogutx Mullard 12AX7 ECC83 Vacuum Tube HIFI Audio Valve Replaces 6N4 Electronic Tube Amplifier Kit Diy Genuine Factory Precision Matched Quad\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp style=\"line-height:inherit;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\"\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='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\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp style=\"line-height:inherit;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\"\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='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\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp style=\"line-height:inherit;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\"\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='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\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp style=\"line-height:inherit;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\"\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='font-family:\"times new roman\", times, serif'\u003eThe shop promises:\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"line-height:inherit;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\"\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style='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.\u003cbr\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S908199ff82c6405c99586eb113d6f30d9.jpg?width=1000\u0026amp;height=293\u0026amp;hash=1293\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S5404a7e4e6224644b2a60e420db6e4e2m.jpg?width=1000\u0026amp;height=1000\u0026amp;hash=2000\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S35cc4f4b03f041a796358740005d88ceT.jpg?width=1000\u0026amp;height=1000\u0026amp;hash=2000\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S1cc644c22ff7492ba746ff7ea69a0478n.jpg?width=1000\u0026amp;height=1000\u0026amp;hash=2000\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sc9e58456f60b44c98e81a049ddb77cdfz.jpg?width=1000\u0026amp;height=1000\u0026amp;hash=2000\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S62a7254ad8934bc9b8516a86e19edd04K.jpg?width=1000\u0026amp;height=1000\u0026amp;hash=2000\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S497efa26b24a4d0989d1f7f066396074d.jpg?width=1000\u0026amp;height=1000\u0026amp;hash=2000\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S103bbe1334824300bd5828c737fe886eU.jpg?width=1000\u0026amp;height=1000\u0026amp;hash=2000\" slate-data-type=\"image\"\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'\u003e\u003cspan style=\"background-color:rgb(231, 76, 60)\"\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\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Peter's Electronics","offers":[{"title":"1pcs","offer_id":52565800616218,"sku":"14:618#1pcs","price":93.99,"currency_code":"USD","in_stock":true},{"title":"2pcs Matched Pair","offer_id":52565800648986,"sku":"14:865#2pcs Matched Pair","price":178.99,"currency_code":"USD","in_stock":true},{"title":"4pcs Matched Quad","offer_id":52565800681754,"sku":"14:1202#4pcs Matched Quad","price":350.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/8973\/4170\/files\/Sd9bf211c3f19437e83a29d9e16af9e8ev_51c9f4b5-0164-405f-8864-1bc8597dc0c8.webp?v=1784744050"}],"url":"https:\/\/peterselectronics.com\/collections\/audio-vacuum-tubes.oembed","provider":"Peter's Electronics","version":"1.0","type":"link"}