{"product_id":"tested-matched-pair-2-tubes-7-pin-ge-jan-5654w-fully-tested-vacuum-tubes-upgrade-for-6ak5-6j1-6j1p-ef95-ge-5654w-platinum-grade-pair","title":"Fosi Audio Vacuum Tubes 7-Pin","description":"\u003cul class=\"a-unordered-list a-vertical a-spacing-mini\" style=\"box-sizing: border-box; margin: 0px 0px 0px 18px; color: #111111; padding: 0px; font-family: 'Amazon Ember', Arial, sans-serif; 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-style: initial; text-decoration-color: initial;\"\u003e\n\u003cli\u003e\n\u003cp\u003eEach package contains a pair of fully tested and matched vacuum tubes (2 PCS).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e5654W vacuum tubes for \u003cspan style=\"color: #ff8000;\"\u003e\u003ca href=\"https:\/\/fosiaudioshop.com\/products\/t20-bluetooth-tube-amplifier-stereo-receiver-2-channel-class-d-digital-mini-hi-fi-power-amp?_pos=1\u0026amp;_sid=1a298b84a\u0026amp;_ss=r\" title=\"Fosi Audio T20\" style=\"color: #ff8000;\"\u003e\u003cstrong\u003eT20\u003c\/strong\u003e\u003c\/a\u003e\u003c\/span\u003e, \u003cspan style=\"color: #ff8000;\"\u003e\u003ca href=\"https:\/\/fosiaudioshop.com\/products\/vacuum-tube-pre-amplifier-p1?_pos=1\u0026amp;_sid=a45ed6f5d\u0026amp;_ss=r\" title=\"Fosi Audio P1\" style=\"color: #ff8000;\"\u003e\u003cstrong\u003eP1\u003c\/strong\u003e\u003c\/a\u003e\u003c\/span\u003e, \u003cspan style=\"color: #ff8000;\"\u003e\u003ca href=\"https:\/\/fosiaudioshop.com\/products\/headphone-amplifier-vacuum-tube-headphone-amp-mini-hi-fi-stereo-audio-with-low-ground-noise-output-protection-for-headphones-fosi-audio-p2?_pos=1\u0026amp;_sid=87d73b76d\u0026amp;_ss=r\" title=\"Fosi Audio P2\" style=\"color: #ff8000;\"\u003e\u003cstrong\u003eP2\u003c\/strong\u003e\u003c\/a\u003e\u003c\/span\u003e, \u003cspan style=\"color: #ff8000;\"\u003e\u003ca href=\"https:\/\/fosiaudioshop.com\/products\/fosi-audio-phono-preamp-for-turntable-preamplifier-mm-phonograph-preamplifier-with-gain-gear-mini-stereo-audio-hi-fi-pre-amplifier-for-record-player-with-dc-12v-power-box-x2?_pos=1\u0026amp;_sid=8a559e364\u0026amp;_ss=r\" title=\"Fosi Audio Box X2\" style=\"color: #ff8000;\"\u003e\u003cstrong\u003eBox X2\u003c\/strong\u003e\u003c\/a\u003e, \u003c\/span\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(255, 128, 0);\"\u003e\u003cspan style=\"color: #ff8000;\"\u003e\u003ca href=\"https:\/\/fosiaudioshop.com\/products\/phono-preamp-headphone-amplifier-with-jan-5654w-vacuum-tubes-for-mm-turntable-phonograph-preamplifier-for-record-player-with-volume-bass-treble-control-hi-fi-pre-amp-fosi-audio-box-x4\" title=\"Fosi Audio Box X4\" style=\"color: #ff8000;\"\u003eBox X4\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e. Substitute for 7-pin 6AK5\/6AK5W\/6Zh1P\/6J1\/6J1P tubes. It can also directly replace WE-403A\/403B\/EF95 and ordinary 5654.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e6J1, 6CB6A, 6Ж3N, 6J5, 6Ж5N tubes are compatible with audio devices such as \u003cspan style=\"color: rgb(255, 128, 0);\"\u003e\u003cstrong\u003eBOX X2, BOX X4, P3, GR40, MC331, and T20X MKII\u003c\/strong\u003e\u003c\/span\u003e.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eNote: Replacing the wrong type of tube may damage your amplifier. If you are not sure this 5645W can be used as a replacement for your audio device, please check with your amplifier manufacturer.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIt has a fuller, wider sound stage. The treble is smoother and the bass is a little bit tighter. And you can hear some details that you did not hear before while listening to more complex music.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli style=\"box-sizing: border-box; list-style: disc; overflow-wrap: break-word; margin: 0px;\"\u003e\n\u003cp\u003eEvery package you get goes through our careful packaging. With 18 months warranty. If you have any questions, please feel free to contact us.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2251\/7913\/files\/6J1-5.jpg?v=1762250270\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2251\/7913\/files\/6CB6A-4.jpg?v=1762250271\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2251\/7913\/files\/6_3N-4.jpg?v=1762250271\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2251\/7913\/files\/6_5N-5.jpg?v=1762250270\" alt=\"\"\u003e\u003cbr\u003e\u003cbr\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003c\/p\u003e\n\u003cdiv\u003eVacuum tubes such as the 5725 and 6J1 are products of a specific historical period, carrying strong historical significance and unique tonal characteristics. Having long been discontinued, all available units are carefully preserved vintage stock, making them non-renewable and rare collectibles.\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\nMinor signs of aging on the tube surface—such as slight scratches, faded markings, or yellowed mica—are normal. We guarantee that every vacuum tube sold has undergone basic testing to ensure proper functional performance.\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\nGiven the uniqueness and scarcity of these products, \u003cstrong\u003eall sales are final; no returns or exchanges will be accepted once purchased. Please do not place an order if you do not accept these terms.\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003col\u003e\n\u003cli\u003eAll vacuum tubes have been fully tested and strictly matched.\u003c\/li\u003e\n\u003cli\u003eThese vacuum tubes are compatible with audio equipment including BOX X2, BOX X4, P3, GR40, MC331, T20X MKII, etc.\u003c\/li\u003e\n\u003cli\u003eUsing an incorrect vacuum tube model may damage your amplifier. If you are unsure whether these tubes are suitable for your audio device, please confirm with the amplifier manufacturer.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Fosi Audio","offers":[{"title":"5654W","offer_id":47773278666970,"sku":"5654W","price":29.99,"currency_code":"EUR","in_stock":true},{"title":"6J1","offer_id":47773278699738,"sku":"6J1","price":29.99,"currency_code":"EUR","in_stock":true},{"title":"6CB6A","offer_id":47773278732506,"sku":"6CB6A","price":29.99,"currency_code":"EUR","in_stock":true},{"title":"6Ж3N","offer_id":47773278765274,"sku":"6Ж3N","price":29.99,"currency_code":"EUR","in_stock":true},{"title":"6J5","offer_id":47773278798042,"sku":"6J5","price":29.99,"currency_code":"EUR","in_stock":true},{"title":"6Ж5N","offer_id":47773278830810,"sku":"6Ж5N","price":29.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0818\/9706\/2618\/files\/products_61edIyu4lkL._AC_SL1200.jpg?v=1776428574","url":"https:\/\/eu.fosiaudio.com\/products\/tested-matched-pair-2-tubes-7-pin-ge-jan-5654w-fully-tested-vacuum-tubes-upgrade-for-6ak5-6j1-6j1p-ef95-ge-5654w-platinum-grade-pair","provider":"Fosi Audio EU","version":"1.0","type":"link"}