{"product_id":"rca-12ax7a-nos-vacuum-tube","title":"RCA 12AX7A NOS Vacuum Tube","description":"\u003cp\u003e\u003cspan\u003eManufactured in the United States by RCA, this 12AX7A is a high-mu miniature twin triode designed for audio voltage amplification. RCA created the type for low hum and noise, with a controlled heater warm-up characteristic suitable for series-string operation. This example features short gray plates and a top ring getter; the type has a nominal amplification factor of 100 and a center-tapped heater supporting 6.3- or 12.6-volt operation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eArchive Assessed, Apos Assured\u003c\/strong\u003e\u003c\/h2\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\u003ch2\u003e\u003cstrong\u003eAre the tubes...dusty...?\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\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\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eSpecs\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand \/ Type:\u003c\/strong\u003e RCA 12AX7A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGetter Type: \u003c\/strong\u003eTop Ring Getter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlate Type:\u003c\/strong\u003e Short Gray Plate\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade in: \u003c\/strong\u003eUSA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBox Type:\u003c\/strong\u003e NOS in White Box\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTested on:\u003c\/strong\u003e Amplitrex AT1000\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Archive Tubes","offers":[{"title":"Matched Pair (2 Tubes) \/ Archive Vault","offer_id":67984232513772,"sku":"APS-1794-1","price":1160.0,"currency_code":"USD","in_stock":true},{"title":"Matched Pair (2 Tubes) \/ Gold","offer_id":67984232546540,"sku":"APS-1794-2","price":1046.0,"currency_code":"USD","in_stock":true},{"title":"Matched Pair (2 Tubes) \/ Silver","offer_id":67984232579308,"sku":"APS-1794-3","price":970.0,"currency_code":"USD","in_stock":true},{"title":"Matched Quad (4 Tubes) \/ Archive Vault","offer_id":67984232612076,"sku":"APS-1794-4","price":2320.0,"currency_code":"USD","in_stock":true},{"title":"Matched Quad (4 Tubes) \/ Gold","offer_id":67984232644844,"sku":"APS-1794-5","price":2092.0,"currency_code":"USD","in_stock":true},{"title":"Matched Quad (4 Tubes) \/ Silver","offer_id":67984232677612,"sku":"APS-1794-6","price":1940.0,"currency_code":"USD","in_stock":true},{"title":"Singles  (1 Tube) \/ Archive Vault","offer_id":67984232710380,"sku":"APS-1794-7","price":570.0,"currency_code":"USD","in_stock":true},{"title":"Singles  (1 Tube) \/ Gold","offer_id":67984232743148,"sku":"APS-1794-8","price":513.0,"currency_code":"USD","in_stock":true},{"title":"Singles  (1 Tube) \/ Silver","offer_id":67984232775916,"sku":"APS-1794-9","price":475.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0225\/2721\/3642\/files\/ID2A9832.jpg?v=1793213663","url":"https:\/\/apos.audio\/products\/rca-12ax7a-nos-vacuum-tube","provider":"Apos","version":"1.0","type":"link"}