{"product_id":"sylvania-5u4-5u4g-vacuum-tube-rectifier-59681","title":"Sylvania 5U4 5U4G Vacuum Tube Rectifier Black Plate Shoulder ST Variety","description":"\u003cp\u003eThis Sylvania 5U4G rectifier tube was tested on our Paul Hart-calibrated TV7\/U for shorts, gas and emissions. There were no shorts or gas.\u003c\/p\u003e\n\u003cp\u003eIt measured 56\/52 where minimum (65%) is 40\/40 and 100% is 62\/62.\u003c\/p\u003e\n\u003cp\u003eThis tube has 439 C date codes, a bottom, D getter and nice flashing. There is some cathode coating that has shed from the filaments. Please see picture.\u003c\/p\u003e","brand":"Lowtechelec","offers":[{"title":"Default Title","offer_id":62875145502879,"sku":null,"price":34.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0397\/5344\/9631\/files\/il_fullxfull.7695039667_mvuz.jpg?v=1790502327","url":"https:\/\/lowtechelec.com\/products\/sylvania-5u4-5u4g-vacuum-tube-rectifier-59681","provider":"Lowtechelec","version":"1.0","type":"link"}