{"product_id":"ediswan-cv5358-vacuum-tube","title":"Ediswan CV5358 (ECC88) Vacuum Tube","description":"\u003cp\u003e\u003cspan\u003eThe Ediswan CV5358 is a British military-spec dual triode built for applications where stability, low noise, and long-term reliability were critical. Manufactured by Edison Swan (Ediswan) in the UK, this valve was designed to meet strict government and communications standards, resulting in tight tolerances and consistent performance. In audio power supplies, the CV5358 is valued for its calm, well-regulated behavior, helping amplifiers maintain composure under load and reducing unwanted noise in downstream circuits.\u003c\/span\u003e\u003c\/p\u003e\n \u003ch3\u003e\u003cstrong\u003eArchive Assessed, Apos Assured\u003c\/strong\u003e\u003c\/h3\u003e\n \u003cp\u003eAll Archive tubes are thoroughly tested, inspected, photographed, and inventoried, guaranteeing the quality of each tube that's shipped to customers. All tubes carry an Apos 12-month warranty against manufacturing defects. \u003c\/p\u003e\n \u003ch3\u003e\u003cstrong\u003eAre the tubes...dusty...?\u003c\/strong\u003e\u003c\/h3\u003e\n \u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cspan\u003eBecause these are genuine New Old Stock tubes, small cosmetic irregularities may be present. These aren't defects but artifacts of vintage manufacturing and decades of storage. They have no impact on reliability or sonic performance.\u003c\/span\u003e\u003c\/p\u003e\n \u003ch3\u003e\u003cstrong\u003e\u003cspan data-sheets-root=\"1\"\u003eSpecs\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n \u003cstrong\u003eBrand \/ Type:\u003c\/strong\u003e Ediswan CV5358 \/ ECC88\u003c\/li\u003e\n \u003cli\u003e\n \u003cstrong\u003eGetter Type:\u003c\/strong\u003e Top Ring Getter\u003c\/li\u003e\n \u003cli\u003e\n \u003cb\u003eMade in: \u003c\/b\u003eEngland\u003c\/li\u003e\n \u003cli\u003e\n \u003cstrong\u003eTested on:\u003c\/strong\u003e Amplitrex AT1000 Advanced Digital Tube Tested\u003c\/li\u003e\n \u003c\/ul\u003e","brand":"Archive Tubes","offers":[{"title":"Matched Pair (2 Tubes) \/ Archive Vault","offer_id":46866161467567,"sku":"APS-1256-4","price":230.0,"currency_code":"USD","in_stock":true},{"title":"Matched Pair (2 Tubes) \/ Gold","offer_id":46866161500335,"sku":"APS-1256-5","price":209.0,"currency_code":"USD","in_stock":true},{"title":"Matched Pair (2 Tubes) \/ Silver","offer_id":46866161533103,"sku":"APS-1256-6","price":195.0,"currency_code":"USD","in_stock":true},{"title":"Matched Quad (4 Tubes) \/ Archive Vault","offer_id":46866161565871,"sku":"APS-1256-7","price":460.0,"currency_code":"USD","in_stock":true},{"title":"Matched Quad (4 Tubes) \/ Gold","offer_id":46866161598639,"sku":"APS-1256-8","price":418.0,"currency_code":"USD","in_stock":true},{"title":"Matched Quad (4 Tubes) \/ Silver","offer_id":46866161631407,"sku":"APS-1256-9","price":390.0,"currency_code":"USD","in_stock":true},{"title":"Singles (1 Tube) \/ Archive Vault","offer_id":46866161664175,"sku":"APS-1256-1","price":105.0,"currency_code":"USD","in_stock":true},{"title":"Singles (1 Tube) \/ Gold","offer_id":46866161696943,"sku":"APS-1256-2","price":94.0,"currency_code":"USD","in_stock":true},{"title":"Singles (1 Tube) \/ Silver","offer_id":46866161729711,"sku":"APS-1256-3","price":87.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6415\/2239\/files\/apos-audio-archive-tubes-vacuum-tube-ediswan-cv5358-ecc88-vacuum-tube-1218427175.jpg?v=1777715980","url":"https:\/\/freshized.com\/products\/ediswan-cv5358-vacuum-tube","provider":"Freshized","version":"1.0","type":"link"}