{"product_id":"el37-6l6g-mullard-blackburn-labeled-brimar-dual-halo-getter-test-very-strong-tube-made-in-gt-britain","title":"EL37 ( 6L6G ) MULLARD Blackburn labeled BRIMAR Dual Halo Getter Test Very Strong Tube Made in GT. Britain","description":"\u003cp\u003e\u003cstrong\u003eEL37 ( 6L6G ) MULLARD Blackburn labeled BRIMAR Dual Halo Getter Tested Tube Made in GT. Britain\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eValve produced by \u003cmeta charset=\"utf-8\"\u003eMULLARD in the Blackburn factory in the U.K. in September 1963\u003cbr\u003e\u003cbr\u003eTested with AVO VCM 163 Tube tester with 10 minute warm-up.\u003cbr\u003eOur instruments are calibrated with reference tubes.\u003cbr\u003eVf = 6.3V; Va = 250V; Vg2 = 250V;\u0026nbsp;Vg = -13.5V\u003cbr\u003eAverage 100% Gm =\u0026nbsp;11000\u0026nbsp;; Ia =\u0026nbsp;100\u0026nbsp;mA\u003cbr\u003e\u003cstrong\u003eTEST RESULT: VERY STRONG\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eGm =\u0026nbsp;10300 ; Ia = 82 mA\u003cbr\u003e\u003cbr\u003eFurther tests performed:\u003cbr\u003eMicrophony Test\u003cbr\u003eEmission Quality\u003cbr\u003eShort Circuit Test\u003cbr\u003e\u003c\/p\u003e","brand":"MULLARD","offers":[{"title":"Default Title","offer_id":46500115743068,"sku":"01362","price":179.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/3775\/5127\/products\/1_a4135ee1-4fae-42ca-a020-02b20d034f8c.jpg?v=1682062845","url":"https:\/\/vacuumtubestreasures.com\/en-de\/products\/el37-6l6g-mullard-blackburn-labeled-brimar-dual-halo-getter-test-very-strong-tube-made-in-gt-britain-en","provider":"Vacuum Tubes Treasures","version":"1.0","type":"link"}