{"product_id":"fosi-audio-5654w-vacuum-tubes-5654w","title":"Fosi Audio 5654W Vacuum Tubes","description":"\u003cstyle\u003e.cilo-table-upgrade,.cilo-table-upgrade *{box-sizing:border-box}.cilo-table-upgrade{width:100%;max-width:1180px;margin:0 auto}.cilo-table-upgrade img{max-width:100%;height:auto}.cilo-table-upgrade .cilo-specs{overflow:hidden;margin:26px 0 0;border:1px solid #e2e2e5;border-radius:16px}.cilo-table-upgrade .cilo-spec-row{display:grid;grid-template-columns:minmax(180px,32%) 1fr;border-bottom:1px solid #e7e7e9}.cilo-table-upgrade .cilo-spec-row:last-child{border-bottom:0}.cilo-table-upgrade .cilo-spec-label,.cilo-table-upgrade .cilo-spec-value{padding:15px 18px}.cilo-table-upgrade .cilo-spec-label{background:#f5f5f7;color:#111;font-weight:700}.cilo-table-upgrade .cilo-table-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin:28px 0}.cilo-table-upgrade .cilo-table-card{min-width:0;padding:18px;border:1px solid #e7e7ea;border-radius:18px;background:#fafafa}.cilo-table-upgrade .cilo-table-card:empty{display:none}.cilo-table-upgrade .cilo-table-card img{display:block;margin:0 auto 10px}.cilo-table-upgrade .cilo-table-card p:last-child,.cilo-table-upgrade .cilo-table-card \u003e :last-child{margin-bottom:0}@media(max-width:880px){.cilo-table-upgrade .cilo-table-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:650px){.cilo-table-upgrade .cilo-spec-row{grid-template-columns:1fr}.cilo-table-upgrade .cilo-spec-label{padding-bottom:6px}.cilo-table-upgrade .cilo-spec-value{padding-top:6px}.cilo-table-upgrade .cilo-table-grid{grid-template-columns:1fr;gap:14px}.cilo-table-upgrade .cilo-specs,.cilo-table-upgrade .cilo-table-card{border-radius:14px}}\u003c\/style\u003e\u003cdiv class=\"cilo-table-upgrade\"\u003e\n\u003ch3\u003e▪ Highlights (punktopstilling)▪\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003ePar af fuldt testede og matchede JAN 5654W (militær-specifikation), 7-pin B7G-basis.\u003c\/li\u003e\n \u003cli\u003ePremium erstatning for 6AK5, 6AK5W, EF95, 6J1, 6J1P, WE-403A\/B og almindelige 5654-rør.\u003c\/li\u003e\n \u003cli\u003eRigere stereobillede, øget baskontrol og glattere diskant – klarhed og detaljer fremhæves.\u003c\/li\u003e\n \u003cli\u003eMilitær kvalitet (\"W\") sikrer bedre pålidelighed, længere levetid og robusthed.\u003c\/li\u003e\n \u003cli\u003eTubes er matched for både plate current og mutual conductance for optimal balance.\u003c\/li\u003e\n\n\u003c\/ul\u003e\n\u003ch3\u003eBeskrivelse\u003c\/h3\u003e\n\u003cp\u003eDette sæt består af to JAN 5654W-rør, der er specielt designet til audiografisk høj kvalitet og lang levetid. Som en militærspecifikation (\"W\")-variant tilbyder disse rør overlegen konstruktionsmæssig robusthed og streng kvalitetskontrol – især relevant i audio-applikationer, hvor pålidelighed og præcision er afgørende  [oai_citation:5‡riverstoneaudio.com](https:\/\/www.riverstoneaudio.com\/copy-of-pair-of-ge-jan-5654w-vacuum-t?utm_source=chatgpt.com) [oai_citation:6‡Douk Audio](https:\/\/doukaudio.com\/products\/matched-pair-7-pin-ge-jan-5654w-vacuum-tubes-upgrade-for-6ak5-6j1-6%D0%B61-ef95-6j1p?utm_source=chatgpt.com) [oai_citation:7‡thetubestore.com](https:\/\/www.thetubestore.com\/tube-brands\/jan-military?utm_source=chatgpt.com).\u003c\/p\u003e\n\u003cp\u003eDe fungerer direkte som opgradering eller erstatning for en lang række tilsvarende 7-pin pentoder, herunder 6AK5, 6AK5W, EF95, 6J1, 6J1P, og selv WE-403A\/B. Dette gør dem utroligt alsidige i bl.a. pre-amps, mikrofonforstærkere, Hi-Fi og hovedtelefonforstærkere  [oai_citation:8‡Douk Audio](https:\/\/doukaudio.com\/products\/matched-pair-7-pin-ge-jan-5654w-vacuum-tubes-upgrade-for-6ak5-6j1-6%D0%B61-ef95-6j1p?utm_source=chatgpt.com) [oai_citation:9‡The Retail Market](https:\/\/www.retailmarket.net\/products\/7-pin-5654w-vacuum-tubes-fully-tested-vacuum-tube-perfect-matched-pairing-tube-amp-upgrade-for-5654-6j1-6j2-ef95-6ak5-6j1p-electron-vacuum-tube2-tubes\/?utm_source=chatgpt.com) [oai_citation:10‡lunchboxaudio.com](https:\/\/www.lunchboxaudio.com\/ge-jan-5654w-tube-telefunken-ef95-6ak5\/?utm_source=chatgpt.com).\u003c\/p\u003e\n\u003cp\u003eLydmæssigt giver 5654W en rigere, mere tredimensionel lydscene med en fast, fokuseret basgang og blødere diskant – detaljeniveauet øges markant, særligt ved kompleks musik. Diskantkarakteren opleves som mere afrundet, mens klang og rummelighed forbedres  [oai_citation:11‡Amazon](https:\/\/www.amazon.com\/Tested-Matched-Amplifier-Preamplifier-Replacement\/dp\/B087LXW6RL?utm_source=chatgpt.com) [oai_citation:12‡Douk Audio](https:\/\/doukaudio.com\/products\/matched-pair-7-pin-ge-jan-5654w-vacuum-tubes-upgrade-for-6ak5-6j1-6%D0%B61-ef95-6j1p?utm_source=chatgpt.com).\u003c\/p\u003e\n\u003cp\u003eDisse rør er omhyggeligt testet og matchet med hensyn til både plate current og mutual conductance — forskellene ligger typisk under 0,2 mA for plate current og under 200 µmho for conductance – hvilket sikrer fremragende kanalbalance og pålidelig præstation selv ved krævende lydscenarier  [oai_citation:13‡riverstoneaudio.com](https:\/\/www.riverstoneaudio.com\/pair-of-ge-jan-5654w-vacuum-tubes?utm_source=chatgpt.com).\u003c\/p\u003e\n\n\n\u003c\/div\u003e","brand":"Fosi Audio","offers":[{"title":"Default Title","offer_id":58820110385487,"sku":"5654W","price":349.0,"currency_code":"DKK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1019\/3649\/6975\/files\/fosi-5654w-vacuum-tubes-5.png?v=1789855877","url":"https:\/\/cilo.dk\/products\/fosi-audio-5654w-vacuum-tubes-5654w","provider":"Cilo","version":"1.0","type":"link"}