{"product_id":"matched-pair-silvertone-6k7-6k7gt-vacuum-16220","title":"Matched Pair Silvertone 6K7 6K7GT Vacuum Tubes NOS-Testing","description":"\u003cp\u003eThis new old stock-testing matched pair of Sylvania-MANUFACTURED. Silvertone-BRANDED 6K7GT tubes was tested on our Paul Hart-calibrated TV7\/U for shorts, gas and transconductance. There were no shorts or gas,\u003c\/p\u003e\n\u003cp\u003eTube One measured 56 while Tube Two measured 57 were minimum (65%) is 36 and 100% is 55.\u003c\/p\u003e","brand":"Lowtechelec","offers":[{"title":"Default Title","offer_id":62804955299999,"sku":null,"price":12.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0397\/5344\/9631\/files\/il_fullxfull.3600752744_evm6_70a44a54-7b87-4449-bcaf-b8e8ac91ab58.jpg?v=1780230357","url":"https:\/\/lowtechelec.com\/products\/matched-pair-silvertone-6k7-6k7gt-vacuum-16220","provider":"Lowtechelec","version":"1.0","type":"link"}