{"title":"KT77","description":"\u003cp\u003eA British beam tetrode that drops straight into EL34 sockets. Tighter lows and more headroom than an EL34, with a cleaner, more detailed top end.\u003c\/p\u003e","products":[{"product_id":"jj-kt77-power-vacuum-tube","title":"JJ KT77 Power Vacuum Tube","description":"\u003cdiv class=\"item2-description__content\"\u003eIntroducing the JJ KT77 Power Vacuum Tube - the highly anticipated replacement for EL34\/6CA7. With its impressive power and headroom, this tube is perfect for Marshalls and Hi-Fi systems. Experience a refined sound like never before. Upgrade your audio with the JJ KT77.\u003cstrong\u003e\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"item2-description__content\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp style=\"margin: 0px 0px 1.5em; padding: 0px; line-height: 1.6; color: #212121; font-family: Lato, system-ui, -apple-system, 'system-ui', 'Segoe UI', Roboto, Helvetica, Arial, sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol'; font-size: 14.4px; 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;\"\u003e\u003cstrong\u003eAll RUBY™ Tubes come already Matched with a 6 Month Warranty\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThere 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\/p\u003e\n\u003cp style=\"margin: 0px 0px 1.5em; padding: 0px; line-height: 1.6; color: #212121; font-family: Lato, system-ui, -apple-system, 'system-ui', 'Segoe UI', Roboto, Helvetica, Arial, sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol'; font-size: 14.4px; 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;\"\u003e \u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0735\/0206\/4948\/files\/KT77_Spec_1.png?v=1766521016\"\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0px 0px 1.5em; padding: 0px; line-height: 1.6; color: #212121; font-family: Lato, system-ui, -apple-system, 'system-ui', 'Segoe UI', Roboto, Helvetica, Arial, sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol'; font-size: 14.4px; 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;\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0735\/0206\/4948\/files\/Kt77_Spec_2.png?v=1766521016\"\u003e\u003c\/p\u003e","brand":"JJ Electronics","offers":[{"title":"Single","offer_id":48481380696372,"sku":"Single JJ KT77 Power Vacuum Tube","price":30.0,"currency_code":"USD","in_stock":true},{"title":"Pair","offer_id":48481380729140,"sku":"Matched Pair JJ KT77","price":60.0,"currency_code":"USD","in_stock":true},{"title":"Quad","offer_id":48481380761908,"sku":"Matched Quad JJ KT77","price":120.0,"currency_code":"USD","in_stock":true},{"title":"Sextet","offer_id":48906923934004,"sku":"matched sextet JJ kt77","price":180.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/0206\/4948\/files\/JJKt77Single.jpg?v=1751490797"},{"product_id":"genalex-gold-lion-kt77-power-vacuum-tube","title":"Genalex Gold Lion KT77 Power Vacuum Tube","description":"\u003cp\u003eA faithful reproduction, this Genalex – Gold Lion KT77 has heavy glass and ruggedized plates that will allow it to handle just about any abuse you give it and still have room to breath. Made in Russia to exacting standards, the new Genalex – Gold Lion is a true echo of the past. With gold plated grid wire and beautiful artwork, these KT77 have a lot of power with good headroom too.\u003c\/p\u003e","brand":"Genalex","offers":[{"title":"Single","offer_id":48906529800500,"sku":"GENALEX-GO-SINGL","price":75.99,"currency_code":"USD","in_stock":true},{"title":"Pair","offer_id":48906529833268,"sku":"GENALEX-GO-PAIR","price":151.99,"currency_code":"USD","in_stock":true},{"title":"Quad","offer_id":48906529866036,"sku":"GENALEX-GO-QUAD","price":303.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/0206\/4948\/files\/Genalex_KT77_Single.jpg?v=1758837788"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/0206\/4948\/collections\/vividon-78d3a5ab-26ee-4033-8222-9305d1374de4.jpg?v=1788213578","url":"https:\/\/rubytubes.com\/collections\/kt77.oembed","provider":"Ruby Tubes","version":"1.0","type":"link"}