{"product_id":"7199-sylvania-nos-nib-gray-plates-o-getter-matched-pair-tubes-made-in-usa","title":"7199 SYLVANIA NOS NIB Gray Plates O Getter Matched Pair Tubes Made in USA","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003e7199 SYLVANIA NOS\/NIB Gray Plates O Getter Matched Pair Tubes\u003c\/strong\u003e\u003cbr\u003e \u003cstrong\u003eMADE IN USA\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cspan data-mce-fragment=\"1\"\u003eMade by SYLVANIA in USA.\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cstrong\u003eValves tested on AMPLITREX AT-1000 Tube tester:\u003c\/strong\u003e\u003cbr data-mce-fragment=\"1\"\u003e Voltage Test Triode: Va = 200V; Vg = -8V\u003cbr data-mce-fragment=\"1\"\u003e Average 100% Triode Gm = 2100; Ia = 9 mA\u003cbr data-mce-fragment=\"1\"\u003e\u003cmeta charset=\"utf-8\"\u003e \u003cspan data-mce-fragment=\"1\"\u003eVoltage Test Pentode: Va = 250V ; Vg2 = 125V ; Vg = -1.5V\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e Average 100% Pentode Gm = 7000\u003c\/p\u003e\n\u003cp\u003e \u003cstrong\u003eTest Result: VERY STRONG\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e Valve 1:\u003cbr data-mce-fragment=\"1\"\u003e Triode:\u003cspan\u003e \u003c\/span\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eGm = 2900 ; Ia = 13 mA\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e Valve 2:\u003cbr data-mce-fragment=\"1\"\u003e Triode:\u003cspan\u003e \u003c\/span\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eGm = 2800 ; Ia = 13 m\u003cmeta charset=\"utf-8\"\u003e TO\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e Valve 1\u003cbr data-mce-fragment=\"1\"\u003e Pentode: Gm 7900\u003cbr data-mce-fragment=\"1\"\u003e Valve 2:\u003cbr data-mce-fragment=\"1\"\u003e Pentode: Gm 7500\u003c\/p\u003e\n\u003cp\u003e \u003cspan data-mce-fragment=\"1\"\u003eFurther tests performed:\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e \u003cspan data-mce-fragment=\"1\"\u003eMicrophone Test\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e \u003cspan data-mce-fragment=\"1\"\u003eEmission Quality\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e \u003cspan data-mce-fragment=\"1\"\u003eShort Circuit Test\u003c\/span\u003e\u003cbr\u003e GAS Test\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"SYLVANIA","offers":[{"title":"Default Title","offer_id":42990583513335,"sku":"00458","price":119.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/3775\/5127\/products\/7199-sylvania-nos-nib-gray-plates-o-getter-matched-pair-tubes-made-in-usa-597274.jpg?v=1657112813","url":"https:\/\/vacuumtubestreasures.com\/en-de\/products\/7199-sylvania-nos-nib-gray-plates-o-getter-matched-pair-tubes-made-in-usa-en","provider":"Vacuum Tubes Treasures","version":"1.0","type":"link"}