{"product_id":"1-tested-strong-magnavox-12gn7a-tube-black-plates-halo-pentode-12gn7-a-tube","title":"(1) Tested Strong Magnavox 12GN7A Tube Black Plates Halo Pentode 12GN7 A Tube","description":"\u003cdiv style=\"text-align: center;\"\u003e\u003cspan\u003e\u003cspan style=\"font-family: Arial;\"\u003e(1) Tested Magnavox 12GN7A Tube.\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cspan\u003e\u003cspan style=\"font-family: Arial;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cspan\u003e\u003cspan style=\"font-family: Arial;\"\u003eBlack plates with a top O ring halo getter. The wording is mostly worn away but still recognizable as being Magnavox branded.\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-family: Arial;\"\u003e\u003c\/span\u003e\u003cspan style=\"font-family: Arial; font-size: large;\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cspan\u003e\u003cspan style=\"font-family: Arial;\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv\u003e\u003cspan\u003eTested on a recently calibrated Hickok TV-10 military tube tester\u003cb\u003e\u003c\/b\u003e with \u003cb\u003eno shorts\u003c\/b\u003e and \u003cb\u003eno leaks\u003c\/b\u003e with the following results:\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eGm Test = 20,000 micromhos\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003eMinimum pass\/good = \u003c\/span\u003e\u003cspan\u003e9500\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cb\u003e~ Please view all 3 photos ~\u003c\/b\u003e\u003c\/div\u003e","brand":"Classic Currents","offers":[{"title":"Default Title","offer_id":47811025699071,"sku":null,"price":7.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0788\/5999\/3343\/files\/s-l1600-63_5a2bf28e-f663-49fa-9c89-2d89d8c82492.webp?v=1765579667","url":"https:\/\/classiccurrents.com\/products\/1-tested-strong-magnavox-12gn7a-tube-black-plates-halo-pentode-12gn7-a-tube","provider":"Classic Currents","version":"1.0","type":"link"}