{"product_id":"2a3-rca-black-carbon-plates-bottom-dd-getters-matched-tube-made-in-usa","title":"SX182B SYLVANIA NOS NIB Black Plates Bottom Getter Tested Tube Made in USA","description":"\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSX182B (482B\/582B ) SYLVANIA NOS NIB Black Plates Bottom Getter\u0026nbsp;Power Triode\u003c\/strong\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cstrong\u003eMade in USA '20s\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSYLVANIA's first leaf tube, straight from the \"Charleston\" era, still in its original packaging. The valve base is firm and there are no loose particles inside.\u003c\/strong\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eTested with AVO\u0026nbsp;CT 160 Tube tester:\u003cbr data-mce-fragment=\"1\"\u003eOur instruments are calibrated with reference tubes.\u003cbr data-mce-fragment=\"1\"\u003eVf = 2.5V; Va = 250V; Vg = -35V \u003cbr data-mce-fragment=\"1\"\u003eAverage 100% Gm =\u0026nbsp;1500\u0026nbsp;; Ia = 18 mA\u003cbr data-mce-fragment=\"1\"\u003e\u003cstrong\u003eTEST RESULT: VERY STRONG\u003c\/strong\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003c\/p\u003e\n\u003cp\u003eGm =\u0026nbsp;1800 ; Ia =\u0026nbsp;16 mA\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003eFurther tests performed:\u003cbr data-mce-fragment=\"1\"\u003eEmission quality\u003cbr data-mce-fragment=\"1\"\u003eShort circuit test\u003cbr\u003e\u003c\/p\u003e","brand":"SYLVANIA","offers":[{"title":"Default Title","offer_id":46476204573020,"sku":"01314","price":189.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/3775\/5127\/products\/1_05d57a36-c75f-4c1e-a912-fe6f5fa33169.jpg?v=1680889430","url":"https:\/\/vacuumtubestreasures.com\/en-de\/products\/2a3-rca-black-carbon-plates-bottom-dd-getters-matched-tube-made-in-usa-en","provider":"Vacuum Tubes Treasures","version":"1.0","type":"link"}