{"title":"NOS Vacuum tubes","description":"\u003cp\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003eWelcome to our NOS tube collection, here you'll find all types of hard to find NOS Vacuum tubes.\u003c\/span\u003e\u003c\/p\u003e","products":[{"product_id":"12ax7s-sovtek-preamp-tube","title":"Sovtek 7025 \/ 12AX7WB  Preamp Vacuum Tube","description":"\u003cp\u003e12AX7 Sovtek Preamp Tube\u003cbr style=\"color: #000000; font-family: Arial, Helvetica, sans-serif; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;\"\u003e\u003c\/p\u003e\n\u003cp\u003eNOS, box included\u003c\/p\u003e\n\u003cp\u003e\u003cstrong style=\"color: #000000; font-family: Arial, Helvetica, sans-serif; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;\"\u003eAll Magic Parts™ pre-amp tubes are properly tested for quality assurance.\u003c\/strong\u003e\u003cbr style=\"color: #000000; font-family: Arial, Helvetica, sans-serif; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;\"\u003e\u003cstrong style=\"color: #000000; font-family: Arial, Helvetica, sans-serif; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;\"\u003e6 month warranty on all tubes\u003c\/strong\u003e\u003c\/p\u003e","brand":"Sovtek","offers":[{"title":"Default Title","offer_id":45085809410356,"sku":"12AX7S","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/0206\/4948\/files\/12ax7russianv2.jpg?v=1759259494"},{"product_id":"jan-philips-12at7wc-preamp-vacuum-tube","title":"Jan Philips 12AT7WC Blue text Gray Plate Preamp Vacuum tube","description":"\u003cp class=\"MsoNormal\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: 9.0pt; line-height: 107%; font-family: 'Arial',sans-serif; color: black; background: white;\"\u003e\u003cspan style=\"color: #333333; font-family: sans-serif, Arial, Verdana, 'Trebuchet MS'; font-size: 13px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;\"\u003e\u003cspan style=\"font-size: 9.0pt; line-height: 107%; font-family: 'Arial',sans-serif; color: black; background: white;\"\u003e\u003cspan style=\"color: #333333; font-family: sans-serif, Arial, Verdana, 'Trebuchet MS'; font-size: 13px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;\"\u003eBoost your audio equipment's performance with the Jan Philips 12AT7WC Preamp Vacuum tube. The 12AT7WC is a 80's military production preamp tube that boasts a formidable gray plate and distinctive blue lettering. Experience unparalleled quality and dependability with this NOS tube. With its versatile compatibility and common use as a phase splitter and reverb driver, this tube is a must-have for any 12AT7 or ECC81 circuit.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003cstrong\u003e\u003cspan style=\"font-size: 9.0pt; line-height: 107%; font-family: 'Arial',sans-serif; color: black; background: white;\"\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003cstrong\u003e\u003cspan style=\"font-size: 9.0pt; line-height: 107%; font-family: 'Arial',sans-serif; color: black; background: white;\"\u003e\u003cspan style=\"color: #333333; font-family: sans-serif, Arial, Verdana, 'Trebuchet MS'; font-size: 13px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: 9.0pt; line-height: 107%; font-family: 'Arial',sans-serif; color: black; background: white;\"\u003eAll Magic Parts™ Tubes Are Tested Extensively For Quality Assurance\u003c\/span\u003e\u003c\/strong\u003e\u003cspan style=\"font-size: 9.0pt; line-height: 107%; font-family: 'Arial',sans-serif; color: black;\"\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan style=\"font-family: 'Arial',sans-serif; background: white;\"\u003e6 Month Warranty On All Tubes\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\n\u003cspan style=\"color: #000000; font-family: Arial, Helvetica, sans-serif;\" face=\"Arial, Helvetica, sans-serif\" color=\"#000000\"\u003e\u003cspan style=\"font-size: 12px; font-weight: 400; background-color: #ffffff;\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/h4\u003e","brand":"Jan Phillips","offers":[{"title":"Single","offer_id":47949139673396,"sku":"Jan Phillips 12AT7WC Single","price":28.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/0206\/4948\/files\/jan12At7_blue_gray_plate.jpg?v=1759864952"},{"product_id":"copy-of-full-music-12ax7-preamp-vacuum-tube","title":"Full Music 12AX7 Preamp Vacuum tube","description":"\u003ch2\u003e\u003cspan color=\"#000000\" face=\"Arial, Helvetica, sans-serif\" style=\"color: #000000; font-family: Arial, Helvetica, sans-serif;\"\u003e\u003cspan style=\"font-size: 12px; font-weight: 400; background-color: #ffffff;\"\u003eNOS Full Music 12AX7  Preamp Vacuum Tube\u003c\/span\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan color=\"#000000\" face=\"Arial, Helvetica, sans-serif\" style=\"color: #000000; font-family: Arial, Helvetica, sans-serif;\"\u003e\u003cspan style=\"font-size: 12px; font-weight: 400; background-color: #ffffff;\"\u003eGray Plates\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\n\u003cbr style=\"color: #000000; font-family: Arial, Helvetica, sans-serif; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;\"\u003e\u003cstrong style=\"color: #000000; font-family: Arial, Helvetica, sans-serif; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;\"\u003eAll Magic Parts™ pre-amp tubes are properly tested for quality assurance.\u003c\/strong\u003e\u003cbr style=\"color: #000000; font-family: Arial, Helvetica, sans-serif; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;\"\u003e\u003cstrong style=\"color: #000000; font-family: Arial, Helvetica, sans-serif; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;\"\u003e6 month warranty on all tubes\u003c\/strong\u003e\n\u003c\/h4\u003e","brand":"Full Music","offers":[{"title":"Default Title","offer_id":47371429413172,"sku":"COPY-OF-FU-DEFAU","price":25.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/0206\/4948\/files\/FullMusic12AX7PreampVacuumTube_7677a1a5-cafd-4834-a4ea-bcc6637fda6c.jpg?v=1715814555"},{"product_id":"shuguang-300b-power-vacuum-tube","title":"Ruby 300B Power Vacuum Tube","description":"\u003cp\u003eThe Ruby Shuguang 300B Power Vacuum Tube will upgrade your audio setup with its top performance. Designed with precision and quality in mind, this vacuum tube provides unparalleled sound quality that will enhance your listening experience.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e \u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan style=\"color: #060606;\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eAll RUBY™ Tube power tubes come already matched.\u003c\/strong\u003e There is no extra charge for this service. Our Magic Parts matching process is very exact and our tubes are matched within +\/- 1 mA (mille amp) of each other.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"RUBY Tubes","offers":[{"title":"Ruby","offer_id":49039444672820,"sku":"RUBY 300B","price":99.99,"currency_code":"USD","in_stock":true},{"title":"Blank","offer_id":49039444705588,"sku":"Blank Shuguang 300B","price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/0206\/4948\/files\/RUBY_300B.jpg?v=1770831125"},{"product_id":"ruby-shuguang-7025-preamp-vacuum-tube","title":"Ruby Shuguang 7025 Preamp Vacuum Tube","description":"\u003cp\u003eThis preamp vacuum tube from Shuguang is NOS and comes with its original box.\u003c\/p\u003e\n\u003cp\u003e \u003cstrong style=\"color: #000000; font-family: Arial, Helvetica, sans-serif; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;\"\u003eAll Magic Parts™ pre-amp tubes are properly tested for quality assurance.\u003c\/strong\u003e\u003cbr style=\"color: #000000; font-family: Arial, Helvetica, sans-serif; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;\"\u003e\u003cstrong style=\"color: #000000; font-family: Arial, Helvetica, sans-serif; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;\"\u003e6 month warranty on all tubes\u003c\/strong\u003e\u003c\/p\u003e","brand":"RUBY Tubes","offers":[{"title":"Default Title","offer_id":48510471504180,"sku":"Shuguang 7025","price":30.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/0206\/4948\/files\/7025_china.jpg?v=1757703986"},{"product_id":"ge-6550a-power-vacuum-tube","title":"GE 6550A Power Vacuum Tube","description":"\u003cp\u003eThe GE 6550A Power Vacuum Tube is a premium, highly sought-after component prized by audiophiles and professionals alike. Known for its robust construction and reliable performance, this New Old Stock (NOS) tube delivers exceptional power handling and tonal clarity, making it ideal for high-fidelity audio amplifiers and vintage equipment restoration. Its consistent quality ensures stable operation and longevity, providing superior sound reproduction with rich, warm tones. Now back in stock, this rare tube is a valuable addition for anyone seeking to enhance their audio setup with authentic, high-grade vacuum tube technology.\u003c\/p\u003e\n\u003cp\u003eComes with original box.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"General Electric","offers":[{"title":"Single","offer_id":48634082656564,"sku":"GE-6550A-P-SINGL","price":249.99,"currency_code":"USD","in_stock":true},{"title":"Pair","offer_id":48634082689332,"sku":"GE-6550A-P-PAIR","price":499.99,"currency_code":"USD","in_stock":true},{"title":"Quad","offer_id":48942341292340,"sku":"GE-6550A-P-QUAD","price":999.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/0206\/4948\/files\/GE_6550.jpg?v=1758666505"},{"product_id":"groove-tubes-gt-e34ls-pair","title":"Groove Tube GT-E34L Power Vacuum Tube","description":"\u003cp\u003eThe Groove Tubes GT-E34Ls Pair offers exceptional performance for professional audio applications. These tubes are designed to deliver a warm, rich tone with enhanced clarity and dynamic response, making them ideal for studio microphones and high-end audio equipment. Built with precision and durability in mind, the GT-E34Ls ensure consistent sound quality and reliability under demanding conditions. Whether you're recording vocals or instruments, this pair provides the nuanced detail and smooth harmonic content that discerning audio engineers seek. Upgrade your setup with these premium tubes for superior sonic fidelity and long-lasting performance.\u003c\/p\u003e","brand":"Groove Tubes","offers":[{"title":"Default Title","offer_id":48634083836212,"sku":"GROOVE-TUB-DEFAU","price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/0206\/4948\/files\/GT_E34L_Pair_V2.jpg?v=1754089527"},{"product_id":"phillips-str387-power-tube","title":"Philips 6L6GC STR387 Power Vacuum Tube","description":"\u003cp\u003eThe Phillips STR387 Power Tube is a high-quality vacuum tube designed for audio amplification applications. Renowned for its reliability and robust construction, this tube delivers clear, warm sound with excellent linearity and low distortion. Ideal for use in vintage and modern audio equipment, the STR387 ensures consistent performance and durability under demanding conditions. Its precise manufacturing standards make it a preferred choice among audiophiles and professionals seeking superior tonal quality and long-lasting operation in their amplifiers.\u003c\/p\u003e\n\u003cp\u003eComes with original box.\u003c\/p\u003e\n\u003cp\u003eB-Stock may come with scratches.\u003c\/p\u003e","brand":"Jan Phillips","offers":[{"title":"Brand New","offer_id":48878310981940,"sku":"PHILLIPS-S-BRAND","price":65.0,"currency_code":"USD","in_stock":false},{"title":"B-Stock","offer_id":48878311014708,"sku":"PHILLIPS-S-B-STO","price":50.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/0206\/4948\/files\/phillips_NOS_6l_v2.jpg?v=1756493614"},{"product_id":"ruby-el34a-nos","title":"Ruby Shuguang EL34A NOS Power Vacuum Tube","description":"\u003cp\u003eThe RUBY EL34A NOS is a premium vintage vacuum tube renowned for its exceptional tonal clarity and reliability. Sourced from original old stock, this tube delivers warm, rich sound with enhanced midrange presence, making it ideal for audiophiles and professional musicians seeking authentic tube-driven audio performance. Its robust construction ensures consistent operation and longevity, providing a dependable upgrade for guitar amplifiers and hi-fi systems. Experience the classic EL34A sound signature with the trusted quality of RUBY’s NOS tubes, designed to elevate your audio setup with vintage precision and dynamic response.\u003c\/p\u003e","brand":"shuguang","offers":[{"title":"Red","offer_id":48983281402164,"sku":"RUBY-EL34A-RED","price":98.95,"currency_code":"USD","in_stock":true},{"title":"Black","offer_id":48983281434932,"sku":"RUBY-EL34A-BLACK","price":98.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/0206\/4948\/files\/Shuguangel34asingle.jpg?v=1760727468"},{"product_id":"ruby-vintage-6l","title":"RUBY Vintage 6L Power Vacuum Tube","description":"\u003cp\u003eThe RUBY Vintage 6L is a premium power tube crafted to replicate the performance and tonal qualities of classic NOS (New Old Stock) vintage tubes. Engineered for professional musicians and audiophiles, this tube delivers warm, rich sound with exceptional clarity and dynamic response. Its robust construction ensures reliable operation and longevity, making it an ideal choice for vintage amplifier restoration or high-end audio applications. Experience authentic vintage tone with modern consistency and durability in the RUBY Vintage 6L power tube.\u003c\/p\u003e","brand":"RUBY Tubes","offers":[{"title":"Default Title","offer_id":48634088390964,"sku":"RUBY-VINTA-DEFAU","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/0206\/4948\/files\/DSC08958-2.jpg?v=1760733590"},{"product_id":"general-electric-12ax7a-7025","title":"General Electric 12AX7A\/7025","description":"\u003cp\u003eThe General Electric 12AX7A\/7025 is a high-quality dual triode vacuum tube renowned for its reliability and consistent performance in audio amplification applications. Favored by audiophiles and professionals alike, this tube delivers low noise and excellent linearity, making it ideal for guitar amplifiers, preamplifiers, and hi-fi audio equipment. Its robust construction ensures long service life and stable operation under demanding conditions. Whether used as a replacement or upgrade, the 12AX7A\/7025 maintains the classic warm tonal characteristics essential for superior sound reproduction.\u003c\/p\u003e\n\u003cp\u003eNOS Tube, box included\u003c\/p\u003e","brand":"General Electric","offers":[{"title":"Default Title","offer_id":48660456014132,"sku":"GENERAL-EL-DEFAU","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/0206\/4948\/files\/ge12ax7a.jpg?v=1752018484"},{"product_id":"rca-5690","title":"RCA 5690 Rectifier Vacuum Tube","description":"\u003cp\u003eThe 5690 is a dual rectifier similar to a 5U4, but not exactly like any commercial vacuum tube. Part of the special “Red Base” series, it came out after the 5691, 5692, and 5693 so not many people have heard about it.\u003c\/p\u003e\n\u003cp\u003eThe 5690 is so unique it even has a special larger base. It is a dual rectifier, literally - two completely separate diodes with completely separate heaters. With triple micas, 4 “D” foil getters and built like a tank, this is a special tube for that special project where you want absolutely the best rectifier.\u003c\/p\u003e","brand":"RCA","offers":[{"title":"Default Title","offer_id":48660465516852,"sku":"RCA-5690-DEFAU","price":140.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/0206\/4948\/files\/RCA_5690_Rect_V2.jpg?v=1772832480"},{"product_id":"nos-mystery-tube","title":"NOS Mystery Tube","description":"\u003cp\u003eExplore the NOS Mystery Tube, featuring a randomly selected New Old Stock vacuum tube. Available in both preamp and power tube types, each comes packaged in its original box.\u003c\/p\u003e","brand":"Ruby Tubes","offers":[{"title":"Preamp Tube","offer_id":48820704772404,"sku":"NOS-MYSTER-PREAM","price":14.95,"currency_code":"USD","in_stock":true},{"title":"Power Tube","offer_id":48820704805172,"sku":"NOS-MYSTER-POWER","price":14.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/0206\/4948\/files\/nos_mystery.jpg?v=1754684740"},{"product_id":"rca-3c23-thyrotron-tube","title":"RCA 3C23 Thyrotron Tube","description":"\u003cp\u003eThe RCA 3C23 is a hydrogen-filled Thyratron tube, used primarily as a high-speed switch in radar and pulsed power applications. It operates similarly to a gas-filled triode, capable of handling high peak currents (up to several hundred amperes) and fast rise times, making it ideal for pulsed modulators. The hydrogen gas allows for rapid deionization, enabling high repetition rates. Its rugged design and reliability made it popular in mid-20th-century military and industrial electronics.\u003c\/p\u003e","brand":"RCA","offers":[{"title":"RCA-3C23-T-DEFAU","offer_id":49073983127860,"sku":"RCA-3C23-T-DEFAU","price":25.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/0206\/4948\/files\/3C23Single.jpg?v=1759517346"},{"product_id":"full-music-102d-triode-tube","title":"Full Music 102D Triode Tube","description":"\u003cp\u003eThe Full Music 102D is a directly heated triode vacuum tube, often used in high-end audio amplifiers for its smooth, warm sound characteristics. Based on classic Western Electric 102D designs, it features a mesh or solid plate construction, delivering low power output with high linearity. Audiophiles value the 102D for its rich midrange and natural tonal balance, making it ideal for preamp stages or low-power SET (single-ended triode) amplifier designs.\u003c\/p\u003e","brand":"Ruby Tubes","offers":[{"title":"FULL-MUSIC-DEFAU","offer_id":49073983062324,"sku":"FULL-MUSIC-DEFAU","price":149.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/0206\/4948\/files\/102D.jpg?v=1759517912"},{"product_id":"ge-7355","title":"General Electric 7355 Power Vacuum Tube","description":"\u003cp\u003eThe General Electric 7355 Power Vacuum Tube is a beam power tube designed for use in audio amplifiers and industrial equipment, offering performance similar to the 6L6 but with a more compact noval (9-pin) base. It delivers around 17-25 watts per pair in push-pull configuration and is known for its robust construction and balanced audio performance. 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Renowned for its robust build and reliable operation, this tube delivers warm, rich tones with excellent linearity and low distortion. Ideal for restoring vintage equipment or upgrading modern amplifiers, it ensures consistent power delivery and enhanced sound quality. Precision-engineered to meet strict quality standards, the RUBY E34L tube supports professional-grade audio applications requiring durable and authentic vintage tonal characteristics.\u003c\/p\u003e","brand":"RUBY Tubes","offers":[{"title":"Single","offer_id":48920700485940,"sku":"RUBY-VINTA-SINGL","price":59.99,"currency_code":"USD","in_stock":true},{"title":"Pair","offer_id":48920700518708,"sku":"RUBY-VINTA-PAIR","price":119.99,"currency_code":"USD","in_stock":false},{"title":"Quad","offer_id":48920700551476,"sku":"RUBY-VINTA-QUAD","price":240.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/0206\/4948\/files\/e34lnosrubysingle.jpg?v=1760651891"},{"product_id":"shuguang-6l6gcr-power-vacuum-tube","title":"Shuguang 6L6GCR Power Vacuum Tube","description":"\u003cp\u003eThe Shuguang 6L6GCR Power Vacuum Tube offers reliable performance for high-fidelity audio and guitar amplifier applications. Designed with precise manufacturing standards, it delivers robust power handling and warm, dynamic sound characteristics. Ideal for professionals seeking consistency and clarity in tube-driven equipment, this tube enhances tonal richness while maintaining durability under demanding conditions. Its compatibility with a wide range of amplifier circuits makes it a versatile choice for both replacement and custom builds.\u003c\/p\u003e","brand":"RUBY Tubes","offers":[{"title":"Single","offer_id":48920701305140,"sku":"SHUGUANG-6-SINGL","price":25.99,"currency_code":"USD","in_stock":false},{"title":"Pair","offer_id":48920701337908,"sku":"SHUGUANG-6-PAIR","price":51.99,"currency_code":"USD","in_stock":false},{"title":"Quad","offer_id":48920701370676,"sku":"SHUGUANG-6-QUAD","price":103.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/0206\/4948\/files\/6L6GCR_shuguang_SIngle.jpg?v=1760652207"},{"product_id":"shuguang-el34-b-power-vacuum-tube","title":"Shuguang EL34-B Power Vacuum Tube","description":"\u003cp\u003eThe Shuguang EL34-B Power Vacuum Tube is engineered for audiophiles and professionals seeking reliable, high-fidelity amplification. 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A premium choice for audiophiles seeking authentic vintage tube tone and dependable operation in high-fidelity systems.\u003c\/p\u003e","brand":"Ruby Tubes","offers":[{"title":"Default Title","offer_id":48940578341172,"sku":"VINTAGE-RU-DEFAU","price":48.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/0206\/4948\/files\/vintage_ruby_5ar4.jpg?v=1762544987"},{"product_id":"general-electric-6l6gc-power-vacuum-tube","title":"General Electric 6L6GC Power Vacuum Tube","description":"\u003cp\u003eThe General Electric 6L6GC stands as a benchmark in power tube excellence, representing some of the finest output tubes ever manufactured in the United States. These vintage gems feature side getters and deliver the warm, responsive tone that defines classic amplifier character. Increasingly scarce in pristine condition, our GE 6L6GC tubes rival later RCA production for voltage handling capability and sonic performance. Each tube undergoes rigorous testing for precise impedance matching, ensuring balanced pairs, quads, and octets. Factory-boxed in original Schenectady, NY packaging or white boxes, these American-made tubes offer the reliability and tonal authenticity serious players demand.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e**If you would like a matched quad or higher please give us a call\u003c\/strong\u003e\u003c\/p\u003e","brand":"General Electric","offers":[{"title":"Single","offer_id":48946642125108,"sku":"1x GE-6L6GC","price":99.99,"currency_code":"USD","in_stock":false},{"title":"Pair","offer_id":48946642157876,"sku":"2x GE-6L6GC","price":199.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/0206\/4948\/files\/ge_6l6gc_single.jpg?v=1763151896"},{"product_id":"general-electric-el34-6ca7","title":"General Electric EL34 \/ 6CA7 Power Vacuum Tube","description":"\u003cp\u003eGeneral Electric's \"Fat Boy\" EL34 tubes deliver the power and sonic character you're seeking in a distinctly American package. With a larger diameter than their European counterparts, these robust tubes offer impressive output and tonal richness. Ideal for musicians committed to all U.S.-manufactured components, these GE EL34s provide the reliability and performance that define quality tube amplification.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e**if you would like a matched quad or higher please call us\u003c\/strong\u003e\u003c\/p\u003e","brand":"General Electric","offers":[{"title":"Single","offer_id":48946642780468,"sku":"1x GE-6CA7","price":119.99,"currency_code":"USD","in_stock":false},{"title":"Pair","offer_id":48946642813236,"sku":"2x GE-6CA7","price":239.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/0206\/4948\/files\/ge_el34_single.jpg?v=1763152084"},{"product_id":"ruby-el34-g","title":"Ruby EL34-G Power Vacuum Tube","description":"\u003cp\u003eNOS Ruby Tubes EL34G - Made in Germany is a vintage power pentode known for robust construction and consistent electrical performance. 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German-manufactured EL34 variants are also recognized for long service life and stable operation under high plate voltages, allowing reliable performance in both guitar amplifiers and high-fidelity audio equipment.\u003c\/p\u003e","brand":"Ruby Tubes","offers":[{"title":"Single","offer_id":48952970641716,"sku":"RUBY-EL34--SINGL","price":59.99,"currency_code":"USD","in_stock":true},{"title":"Pair","offer_id":48952970674484,"sku":"RUBY-EL34--PAIR","price":115.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/0206\/4948\/files\/EL34G_Power_Vaccum_TUbe.jpg?v=1772835467"},{"product_id":"ruby-sed-winged-c-el34c-power-vacuum-tube","title":"Ruby SED Winged-C EL34C Power Vacuum Tube","description":"\u003cp\u003eRuby SED Winged-C EL34C power tubes deliver the warm, dynamic tone that defines vintage amplifier character. 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Limited availability makes this a collector's item for serious audio enthusiasts. Secure yours before stock depletes.\u003c\/p\u003e","brand":"Ruby Tubes","offers":[{"title":"Single","offer_id":48951193764148,"sku":"RUBY-SED-W-SINGL","price":149.99,"currency_code":"USD","in_stock":true},{"title":"Pair","offer_id":48951193796916,"sku":"RUBY-SED-W-PAIR","price":299.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/0206\/4948\/files\/RUBY_6550C_Single_Tube.jpg?v=1763758700"},{"product_id":"sylvania-7591a-power-vacuum-tube","title":"Sylvania 7591A Power Vacuum Tube","description":"\u003cp\u003eThe Sylvania 7591A is a premium power vacuum tube engineered for high-fidelity audio amplification. This robust pentode delivers exceptional linearity and low distortion, making it ideal for vintage tube amps and audiophile-grade equipment. Known for its reliability and warm, detailed sonic character, the 7591A excels in both push-pull and single-ended configurations. Built to exacting standards, Sylvania's construction ensures consistent performance and extended operational life. 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This robust pentode delivers exceptional linearity and headroom, making it ideal for guitar amplifiers, hi-fi power stages, and studio equipment demanding clean, dynamic output. Known for reliable performance and extended lifespan, the KT88 handles demanding applications with minimal distortion while maintaining tonal clarity across the frequency spectrum. A trusted choice for musicians and audiophiles seeking professional-grade tube replacement. 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Whether you're restoring a classic amplifier or building a custom audio circuit, this tube provides the reliability and sonic characteristics that discerning engineers and musicians demand. Comes with box.\u003c\/p\u003e","brand":"International C","offers":[{"title":"Default Title","offer_id":48954254590260,"sku":"INTERNATIO-DEFAU","price":76.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/0206\/4948\/files\/internation_c_6550.jpg?v=1764195880"},{"product_id":"tesla-e34l-power-vacuum-tube","title":"Tesla E34L Power Vacuum Tube","description":"\u003cp\u003eTesla E34L (Special Quality) power tubes in NOS condition with original black bases—a rare find for vintage amp enthusiasts. These tubes deliver the robust, high-volume growl that made Marshall amplifiers legendary, handling elevated plate voltages with the durability that black-base variants are prized for. Unlike their brown-base counterparts, these tubes excel under extreme conditions, producing the harmonic distortion characteristics comparable to classic Mullard EL34s. Perfect for restoring or upgrading vintage Marshall rigs and other high-demand applications. Limited stock.\u003c\/p\u003e\n\u003cp\u003eBlank tubes also avaliable\u003c\/p\u003e","brand":"Tesla","offers":[{"title":"Single \/ Tesla","offer_id":48957080830260,"sku":"TESLA-E34L-SINGL","price":149.99,"currency_code":"USD","in_stock":false},{"title":"Single \/ Blank","offer_id":48957080863028,"sku":"TESLA-E34L-SINGL","price":139.99,"currency_code":"USD","in_stock":false},{"title":"Pair \/ Tesla","offer_id":48957080895796,"sku":"TESLA-E34L-PAIR","price":299.99,"currency_code":"USD","in_stock":false},{"title":"Pair \/ Blank","offer_id":48957080928564,"sku":"TESLA-E34L-PAIR","price":279.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/0206\/4948\/files\/tesla_e34l_single.jpg?v=1764716631"},{"product_id":"mullard-5u4gb-rectifier-vacuum-tube","title":"Mullard 5U4GB Rectifier Vacuum Tube","description":"\u003cp\u003eThe Mullard 5U4GB is a premium rectifier tube engineered for high-fidelity audio amplifiers and vintage equipment restoration. This NOS (New Old Stock) specimen delivers robust power supply regulation with low noise characteristics, making it ideal for demanding applications requiring stable DC output. Built to exacting British manufacturing standards, the 5U4GB offers superior reliability and tonal clarity compared to modern alternatives. Perfect for tube amp enthusiasts, audio engineers, and collectors seeking authentic vintage performance. Each tube is tested and ready for immediate installation. Comes with box.\u003c\/p\u003e","brand":"Mullard","offers":[{"title":"Default Title","offer_id":48980478230836,"sku":"MULLARD-5U-DEFAU","price":39.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/0206\/4948\/files\/mull5u4gb_nos.jpg?v=1766095670"},{"product_id":"westinghouse-6dj8-preamp-vacuum-tube","title":"Westinghouse 6DJ8 Preamp Vacuum Tube","description":"\u003cp\u003eThe Westinghouse 6DJ8 is a premium dual-triode preamp tube engineered for audio applications demanding low noise and high gain stability. This vintage component delivers warm, articulate midrange characteristics prized by audiophiles and professional studios. Built to exacting Westinghouse standards, it features robust construction and reliable performance in preamp circuits, phono stages, and line-level amplification. Ideal for restoring vintage equipment or upgrading existing audio systems with authentic tube tone. 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If you've been searching for authentic vintage character in your amplifier, this is your chance to secure these sought-after tubes before they're gone.\u003c\/p\u003e","brand":"Svetlana","offers":[{"title":"Single","offer_id":48983315218740,"sku":"SED-WINGED-SINGL","price":169.99,"currency_code":"USD","in_stock":true},{"title":"Pair","offer_id":48983315251508,"sku":"SED-WINGED-PAIR","price":339.99,"currency_code":"USD","in_stock":true},{"title":"Quad","offer_id":48983315284276,"sku":"SED-WINGED-QUAD","price":679.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/0206\/4948\/files\/sed_winged_c_6l6_single_v2.jpg?v=1767129131"},{"product_id":"philco-starlight-6k11-6q11-triple-triode-electron-vacuum-tube","title":"Philco Starlight 6K11 - 6Q11 Triple Triode Electron Vacuum Tube","description":"\u003cp\u003eThe NOS Philco Starlight 6K11 (also labeled 6Q11) is a compact multi-section electron tube combining a triode, pentode, and diode in a single envelope, designed for efficient space-saving performance in vintage radio and television circuits where stable operation, signal amplification, and detection are required.\u003c\/p\u003e","brand":"Philco","offers":[{"title":"Default Title","offer_id":48990683627828,"sku":"PHILCO-STA-DEFAU","price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/0206\/4948\/files\/philco.jpg?v=1767733059"},{"product_id":"ge-7027a-power-vacuum-tube","title":"GE 7027A Power Vacuum Tube","description":"\u003cp\u003eThe\u003cstrong\u003e \u003c\/strong\u003eGE 7027A is a ruggedized American-made power vacuum tube known for its high plate dissipation, tight low end, and clear, punchy output, making it a favorite for vintage Ampeg and other high-power guitar and bass amplifiers where reliability, headroom, and authoritative tone are essential.\u003c\/p\u003e","brand":"General Electric","offers":[{"title":"Default Title","offer_id":48990683857204,"sku":"GE-7027A-P-DEFAU","price":49.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/0206\/4948\/files\/7027A.jpg?v=1767733158"},{"product_id":"rca-6159b-vacuum-tube","title":"RCA 6159B Vacuum Tube","description":"\u003cp\u003eThe vintage RCA 6159B is a robust American-made beam power vacuum tube engineered for high-output audio applications, delivering strong headroom, tight low-frequency response, and dependable performance in vintage hi-fi, guitar, and professional audio amplifiers where durability and classic RCA tone are highly valued.\u003c\/p\u003e","brand":"RCA","offers":[{"title":"Default Title","offer_id":48990684021044,"sku":"RCA-6159B--DEFAU","price":18.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/0206\/4948\/files\/6159B.jpg?v=1767733362"},{"product_id":"telefunken-ecc83-12ax7-preamp-vacuum-tube","title":"Telefunken ECC83\/12AX7 Preamp Vacuum Tube","description":"\u003cp\u003eLegendary ECC83\/12AX7 Telefunken smooth plate with diamond bottom—a highly sought-after vacuum tube prized by audio enthusiasts and professionals. This West German-manufactured variant delivers exceptionally smooth response with articulated bass, making it one of the most desirable 12AX7 options available. Marked \"Made in Western Germany\" with characteristic smooth plates and diamond-bottom construction, these tubes represent authentic vintage quality. Extremely rare and in limited supply. Not in original packaging.\u003c\/p\u003e","brand":"Telefunken","offers":[{"title":"Default Title","offer_id":48991125930292,"sku":"TELEFUNKEN-DEFAU","price":349.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/0206\/4948\/files\/telefunken_ecc83.jpg?v=1767819821"},{"product_id":"raytheon-923-gas-phototube-vacuum-tube","title":"Raytheon 923 Gas Phototube Vacuum Tube","description":"\u003cp\u003eThe Raytheon 923 is a classic gas phototube vacuum tube designed for light detection and measurement applications. This vintage component features reliable photoemissive characteristics ideal for vintage audio equipment restoration, laboratory instrumentation, and specialized electronic projects. The 923 delivers consistent performance in low-light detection circuits and remains a sought-after tube for enthusiasts and technicians working with period-correct gear. Excellent condition and ready for immediate use in your restoration or experimental build.\u003c\/p\u003e","brand":"Raytheon","offers":[{"title":"Default Title","offer_id":49070170997044,"sku":"Raytheon 923","price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/0206\/4948\/files\/raytheon_923.jpg?v=1774293109"},{"product_id":"mullard-6al5-vacuum-tube","title":"Mullard 6AL5 Vacuum Tube","description":"\u003cp\u003eMullard 6AL5 vacuum tube in new old stock condition. This classic British-made tube remains sealed in its original box, preserving decades of pristine quality. 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