{"title":"Rectifier Tubes","description":"\u003ctable class=\"collection-table\" style=\"width: 100%; border:none!important;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/tube-basics-and-frequently-asked-questions\" target=\"_blank\"\u003eTube Basics and FAQ\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/grading-matching\" target=\"_blank\"\u003eGrading and Matching\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/vacuum-tube-warranty-information\" target=\"_blank\"\u003eTube Warranty \u0026amp; Return Policy\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/cryogenically-treated-vacuum-tubes\" target=\"_blank\"\u003eCryogenic Treating\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/test-equipment\" target=\"_blank\"\u003eTube Testing Equipment\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/why-we-dont-sell-certain-brands\" target=\"_blank\"\u003eWhy We Don't Sell Certain Brands\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cstyle type=\"text\/css\"\u003e\u003c!--td {border: none;}br {mso-data-placement:same-cell;}--\u003e\u003c\/style\u003e","products":[{"product_id":"sovtek-5ar4","title":"Sovtek 5AR4","description":"\u003ch1\u003e\u003cstrong\u003eSovtek 5AR4\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cp\u003eCurrent production made in Russia. Excellent and dependable tube. Most current products using the 5AR4 as a rectifier use this tube or the Shuguang (Chinese). The Chinese is more dependable.\u003cbr\u003e\u003c\/p\u003e","brand":"Sovtek","offers":[{"title":"No Cryo","offer_id":21829208965,"sku":"SOV-5AR4","price":34.95,"currency_code":"USD","in_stock":true},{"title":"Yes Cryo","offer_id":21829208837,"sku":"SOV-5AR4-C","price":42.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1564\/1247\/products\/ae3c05c43f539e1a504d57e878c739a6.jpg?v=1575409198"},{"product_id":"mullard-new-production-gz34-5ar4-rectifier","title":"Mullard New Production GZ34 \/ 5AR4 Rectifier","description":"\u003cp\u003e\u003cstrong\u003eMullard GZ34 \/ 5AR4 - \u003c\/strong\u003eNew production made in Russia.  This tube is well-built, sounds great, and has been a great rectifier for folks looking to break free from the typicak Sovtek or Shuguang offerings. Please do not buy this thinking it's going to sound like a NOS Mullard... it won't.  But... it's also a fraction of the price!\u003c\/p\u003e","brand":"Mullard","offers":[{"title":"No Cryo","offer_id":21831305221,"sku":"MUL-GZ34","price":65.95,"currency_code":"USD","in_stock":true},{"title":"Yes Cryo","offer_id":21831305157,"sku":"MUL-GZ34-C","price":73.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1564\/1247\/products\/0352da729a6be3822bc7e8bdcd285df1.jpg?v=1583877659"},{"product_id":"tung-sol-new-production-5ar4-rectifier","title":"Tung-Sol New Production 5AR4 Rectifier","description":"\u003ch1\u003e\u003cstrong\u003eTung-Sol 5AR4 \u003c\/strong\u003e\u003c\/h1\u003e\n\u003cp\u003eNew production made in Russia. This tube is well-built, sounds great, and has been a great rectifier for folks looking to break free from the typicak Sovtek or Shuguang offerings. Great performance and reliability.\u003c\/p\u003e","brand":"Tung-Sol","offers":[{"title":"No Cryo","offer_id":21831631685,"sku":"TUNGSOL 5AR4","price":55.95,"currency_code":"USD","in_stock":true},{"title":"Yes Cryo","offer_id":21831631621,"sku":"TUNGSOL 5AR4 C","price":63.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1564\/1247\/products\/c753ff2311cafbde6352e38afcb7a5a0.jpg?v=1741632459"},{"product_id":"gold-lion-u77-5ar4-new-production-rectifier","title":"Gold Lion U77 \/ 5AR4 New Production Rectifier","description":"\u003ch1\u003eGold Lion U77 \/ 5AR4\u003c\/h1\u003e\n\u003cstrong\u003eNote: This tube is not suited to PrimaLuna amps.\u003c\/strong\u003e\n\u003cp\u003eNew production made in Russia. This tube is well-built, smooth, refined, and balanced for the very best high-end audio sound. A great alternative to the typical OEM offerings. Please do not buy this thinking it's going to sound like a NOS Genalex U77... it won't. But... it's also a fraction of the price!\u003c\/p\u003e","brand":"Gold Lion","offers":[{"title":"No Cryo","offer_id":21831685253,"sku":"GOLD LION 5AR4","price":69.95,"currency_code":"USD","in_stock":true},{"title":"Yes Cryo","offer_id":21831685189,"sku":"GOLD LION 5AR4 C","price":77.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1564\/1247\/products\/eee63859c244cb0629ebba507b80c0f2.jpg?v=1741632454"}],"url":"https:\/\/upscaleaudio.pro\/collections\/rectifier-tubes.oembed","provider":"Upscale Audio","version":"1.0","type":"link"}